280z afm delete. Status Not open for further replies.

280z afm delete Remove the pigtails from the AFM and TPS Make sure there is no moisture in them. Does it give any performance bump at all and how is the fuel However, I'm thinking that it is not a 280z afm, because I noticed that the holes on the bottom of the afm did not match up with the holes in the mounting bracket. Noting special came out (water temp switch measured around 3,2kOhm, which is sort of right for 5degC I think). AFM Disable Device or Tuner: This can include a custom tune that eliminates AFM functionality. It is frayed so sometimes to start up the car you need to jiggle the wire a little to get it to crank over properly . could the afm be bad or the ecu, ive been reading other post and people with the same problems have ended up have bad afm or ecu's. On my way home, I had a little fun. It's made a huge difference in how much I enjoy driving the truck. Anyone have a spare 280Z AFM? Trying to help a buddy get his car running and pretty sure we’ve narrowed it down to that. Jump to Latest 1. As a racer it is klinda worky for me and I have something else for my OBD2 port. Air Intake MAF Hose 280Z 280ZX - 200-818 (). The ECU for 1975 280Z "stock" not modified has a fuel pump contact point inside the AFM whereas the ones for the 1978 280Z "DOES NOT". This kit will work with 2010-later engines, with the use of an LS2 style front cover (VVT Deletion). A. Remove the three screws holding the circuit board in place. BE SURE TO MARK A TOOTH PRIOR TO TOUCHING THE LOCKING SCREW!!!! Besides I have not got to that step yet so hands off!! New air flow meter/throttle body hose clamps for 1975-83 280Z and 280ZX. check the TPS operation to be sure it is working correctly. Using BMW Air Flow Meter Unit on 78 280z. 0L (L76) . New connector for the air flow meter on Datsun 280Z and 280ZX, 1975-83. So an early AFM will work on the later 280s, but not vice-versa. Staff member. I think your big clue was removing the ECU and replacing it, which 'cleaned' the contacts. Cold start delete block off plate. 1978 280z, AFM or ECU problem? By TakemuraShuu February 20, 2019 in S30 Series - 240z, 260z, 280z. Refine by Clear all 260280z Color Clear Size Clear Price Clear Brand Clear Product Type Clear Datsun 260z/280z Plastic & Rubber Parts If you own a Datsun 260z or 280z, you know how challenging it can be to find quality replacement parts. Hope to do this saturday to see if it helps. 0/6. A mechanic took a turbo AFM and modified it for use in a non-turbo. 12-AFM-CORE: Core charge $200 (Non refundable) - 12-415001-A31-060-001: 7 Pins 3 Mounting holes for 1974-76 Datsun 280Z 810 - 12-415000-3H: 7 Pins 3 Mounting holes for 1976-79 Datsun 280Z 810 - 12-415000-4H 7 Pins 4 Mounting holes for 1976-79 Datsun 280Z 810 - 12-419420: 5 Pins 4 Mounting holes for 1978-79 Datsun 280Z 280ZX 810 - 12-412420: 5 Pins 4 Mounting Essentially now when the MAF is connected it’s like I’m choking the engine. Facebook Instagram Google. I went from 3. I decided to replace it with a Bosch 0580464070. K. I recently started fixing up a buddies of mine datsun 280z with a teacher at my school. Air Intake MAF AFM Hose OEM 280Z 280ZX. I think on a 280Z you would need to remove the stock AFM bracket to mount it because it's hard pipe and it won't mush around it. Save Share Like. Butler May 9, 2024. Cold start delete. In a never ending quest to find parts that work on my 280zx's I came across a couple of AFM boot replacement options. Same old problem, been around for years. This is a major and costly repair. R. That's why it ran better. It fires up and sounds good, but as soon as I release the key from Start to On it turns off. Deleting AFM is a bit more of a pain since it requires replacement of all of the components. $22. NEW Air cleaner to AFM Rubber hose connection for 1975-1978 280z! Replace your old, dry, cracked one with our new one! Originally these would fail due to age and cracks in the rubber, which can lead to additional air coming in after the air filter. AFM Upgrade (from stock to turbo-ish) Details on how to upgrade AFM housing from smaller stock size to a larger size. 5 Exhaust Apexi N1. Parts cost was around $1500. Because fewer of them operate, we will also have less horsepower. 2 Engines. Make sure the CHTS (cylinder head temp sensor) is plugged in. There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. hey guys ive been doing alot of work on my 280z trying to get it to run right, it will crank up, run alittle rough at idle, but when you try to give it gas it bogs down spudders, and backfires from the front. 1978 280z - stock L28 engine - Dallas, TX. Skip to content. Next I plan to get a better stronger driveshaft as I feel if I really were hard launching it I would shred Product Type Clear 1979-1983 280zx Parts Refine by View as Items per page 24 12 16 20 24 30 50 Sort by Best Selling Featured Price, low to high 1982-1983 280zx non turbo AFM to Throttle body rubber hose $60. Contains a proven cam, pushrods, and AFM delete harness. Welcome to /r/280ZX, a place to discuss, post, or ask questions about the Nissan/Datsun 280ZX (S130) or Luciana 1977 280z - Zowie 1987 300zx - Joanna 1983 280zxt - Pooja II 1984 300zxt AE - Pooja I 1987 300zx 2+2 - Suzanna 1983 280zx - Alana 1976 280z NA2T - Dianna 1980 280zx Slick Top It's an AFM. Bcddd deleted and plugged. Air Flow Meter Intake Hose MAF AFM 280Z. Jump to Latest Follow Follow Hi Folks, I did a DOD/AFM delete on a 2007 Gen IV 6. Factory Boot, AFM to Throttle Body, 5/77-78 280Z Air Flow Meter, 81-83 280ZX Turbo Air Flow Meter Connector, 75-83 Z/ZX Factory Boot, AFM to Throttle Body, 75-4/77 280Z Boot, AFM to Throttle Body, 79-80 280ZX Factory Boot, AFM to Throttle Body, 82-83 280ZX Non-Turbo Boot, Air Cleaner to AFM, 79-83 280ZX N/T Factory Clamp, AFM Boot to AFM, 75-83 Hi all, In my attempt to get my 280z (1976model) running I ended up at the fuel pump. , things ive replaced. It is the stock system removed from Andy Flaggs car when we were converting it to Land Speed Usage. Cancel Create thread 1977 280z ECU\AFM correct combo. She pulled nicely. Circuit Boards Removed (Note the clipping needed for the Nissan unit to fit the Cressida AFM) 280z The AFM is your friend ('75-'78 280z) WHAT AN AFM DOES: The AFM measures air velocity into the throttle body and sends a corresponding voltage to the Engine Computer/Controller Unit (ECU). 2787 posts 1977 280Z - cold air/afm/TB/ exhaust / tokicos / poly-bushings. When the engine is about to stall, opening the flap helps a bit, but only for a short while. best way to tell that you have with the ecu is if the corners of the ecu are square then you most likely have a 75-78, but I have seen a 79 ecu with square corners. I tested the AFM and these were my results Edited May 27, 2016 by 78-280Z. Clear editor. AFM MAF Intake Boot Hose Clamp EFI 280Z 280ZX. Share Description NEW reproduction rubber AFM to 240Z, 260Z, 280Z Performance / Technical - Eliminate AFM - Does anybody know if there is a way to eliminate the AFM setup on the 78 280z. C. $19. So you can not use it, so to speak. Swapping to the Z31 ecu will change the AFM to MAF, which is more precise and less restrictive, or use a SAFC (Air Flow Converter) / VPC ) Vein Pressure Converter) to delete the MAF and use a MAP (more tunability options, but lots Cancel Create thread The owner gave me a Shop Diagnostic report that noted the following: a bad fuel pump, bad AFM, bad computer, bad alternator and needed an OIL CHANGE! Gee, I wonder how they determined all that! 1975 280Z 300K Miles, coupe, 5 speed 1978 280Z 120K Miles, 2+2 5 speed, Stock The Datsun 280z gets the Cold Start Valve and Auxiliary Air Regulator deleted along with the heater core for the AAR. Remember, these problems can be severe if you fail to delete AFM properly. as Phil280 says. Cancel Create thread Also, being a '76, in your AFM (Air Flow Meter) you have a very small set of contacts that tells the fuel pump relay that the motor is running. So I just recently purchased a 75 280z and I need to replace the Plug that plugs into the Air Flow Meter. i can adjust the AFM and idle screw so that it will run well when warm, but when i do it wont run well cold, and visa versa, i can set it to run well when cold, but it doesnt when warm. who knows. 04 $ 55. More sharing options NewZed. When the vacuum line coming into the intake it removed, it can freely breathe through the hole, and the engine revs and idles far far better, the only issue then is the car has no way of regulating how much air is entering, and thus, I’m running very rich. Planning to keep the truck for many more years. This AFM is even a replacement one, however, the internal fue Remove it carefully and attach a vent like you have atop your valve cover. 99 $58. So in my case, deleting the improperly functioning EGR fixed a vaccum leak, which improved the performance of my engine. If you had appropriate sized You need to understand how the 280zx fuel injection system works (and efi systems in general). Opened her up a little. You can use the Z31 intake piece as the connector from the S130 turbo inlet hose to outside the radiator area, it fits It caused a lot of popping and wouldn't keep pulling hard. Go. As I mentioned I moved the board in the AFM to remove the air temp sensor to clean and check it and found it’s reading infinite resistance unless heated up so I’m guessing Washington’s ambient cold air ain’t enough to bring it alive. steup to aftermarket Engine management which will allow you to tune around the new VE curve the cam delivers and also delete the AFM from the air stream. Remove the black plastic AFM cover. id try removing the blk plastic cover on the AFM and cleaning the contact on the wiper arm. We can send you a Diablo In Tune programmer that can take care intake backfire 280Z AFM fix Jump to Latest Follow 2K views 2 replies 3 participants last post by Don Nov 24, 1998 recheck all the areas where you worked and see if you knocked a connector loose. afm delete. This statement is incorrect. 3L engines. Made some modifications and changed the terminals (possibly i mix them when i cut them When you need a professional and reliable AFM delete in Greeley, CO, bring your vehicle to the team at C. 00-$15. 3 AFM delete kit with performance cam upgrade: Banks Power Monster Performance Pack – One of the most popular choices. 73 gears which made a good difference. Today I took it to a shop to do some work on the exhaust. 2K views 9 replies 7 participants last post by M. Check that out. If you're going to remove such a critical sensor, you must replace it with something that can also tell the ECU what's going on, such as a Speed-Density (otherwise known as MAP, or Manifold Absolute Pressure) system. Full emissions delete. This hose will fit in between the air flow meter and the air filter housing on Datsun Pulled the car apart to delete the AC system and rebuild the head/ any and all seals I could get to. If you disconnect the engine from the manifold vacuum, nothing would happen when you remove the oil cap. There I found it was leaking from the terminals. While idling, the AFM flap will have opened slightly and the wiper will be approx 1cm from it's off location. . 3L and Cancel Create thread Is the cressida AFM bigger than the turbo 280zx AFM. Super Moderator. The car will almost die when removing the oil cap. if you don't have the fsm download it from xenon. Then I turned a corner and the car got rough and I had to shut it down. Kassie87 Discussion starter. Color. 72 to $295. My question is, has anyone had any luck removing this thing? The screws are stuck in their holes -- I tried a number of solutions to remove these 2. My Question is, will a 78 280z mass air flow sensor work perfectly fine on my 77 280z? Im currently fixing the z, but before the car would start and not hold idle, and removing the afm plug, it would This kit includes everything needed to delete AFM/DOD (Active Fuel Management) from 2006-2009 GM Gen IV 5. The AFM for your exact car may appear slightly different depending on Pins 6 to 27 MY AFM 1765ohms@74F / FSM says 68F 2,250 to 2,750 Pins 10 - 20 continuity with AFM open/ FSM says AFM open = continuity Pins 10 - 20 No Continuity with AFM at rest/ FSM says AFM at rest = No continuity The rest of the harness checks out fine all grounded when it should. 1 post · Joined 2024 Add to quote; Only show this user #1 · Dec 30, 2024. Replaced the AFM Mass Air Sensor with a "working" one from ebay. Front Brakes; Rear Brakes; Master Cylinder; Brake Lines and Hoses; Driveline. Wire style clamps like originals. the later models have rounded corners. 8K views 36 replies 6 participants last post by RedSLEd Nov 18, 2024. so with my hand-held vacuum pump I went to a junkyard that had three 280zx's. how to mount AFM in '77 280Z turbo? Jump to Latest Follow Well, ive been trying t0 get this thing running like it should, but cant seem to figure it out. When AFM delete is turned on, the total power of our car will be restrained. Part #: 200 Hi? my 280z was starting before and run just fine but i tried to start it today it starts and runs for about couple of seconds and dies. I had to tighten up the AFM quite a bit to the lean side to get her to run again. Upload or insert images from URL. 42 to 3. By Serban November 30, 2015 in Trouble Shooting / General Engine. 4 out of 5 stars. 70-83 Tech Discussion Forum 1978 280Z gas dripping out of AFM NEW reproduction rubber AFM to throttle body hose for 5/77-1978 280zs! Replace your old, dry, cracked hose with our new one! Originally, these parts were prone to failing due to age, and can cause running issues due to AFM / air flow meter for 1982/1983 280ZX TURBO AFM / air flow meter for 1982/1983 280ZX TURBO. DODdeleteKit DOD / AFM Delete Kit for 5. × You cannot paste images directly. careful not to rip Good Question! I got the modified turbo AFM from an ebay auction. 280z. I also switched away from the metal 280Z injector holders and went with the correct plastic 280ZX injector holders. The ECU then calculates how much fuel to mix with the volume of air. Part #: 800-931. 1976 280z Stock motor, K&N Filter Charger, Tokico 5 ways, Somewhere I read of putting the AFM/Filter infront of the core support, then running a tube back to the turbo, that takes care of the lack of space. 99 Air Flow Meter Wiring Connector MAF AFM 280Z 280ZX. But if the EGR is working correctly Cancel Create thread I have been looking for an aftermarket intake system to replace the bulky AFM in my 72' with an 83' 280zxt swap. Just purchased a 2013 Sierra. 3L Delete Engine for 2014–2020 GM vehicles, providing a reliable solution to address common Active Fuel Management (AFM) issues. The car starts with the AFM installed but not connected to the ECU (runs really rich with black smoke). As soon as I plug the AFM into the ECU, it starts to sputter and then dies I did the supercharger Magnusson, TSP AFM delete and cam, stall converter, headers and electronic controller for cut out with stock exhaust intact for cruising in decent quiet. If a fuel pump has power with the key in the on position that is a recipe for disaster. 3K subscribers in the 280ZX community. Will not work on non-turbo models (see 11-3040 . If you're finding that the engine will barely run without it, then it was probably stuck open or maladjusted and being used to overcome problems elsewhere. I had to remove all the injectors and coat the new o-rings in a thin layer of gasket sealer. remove the three plugs from the ECU (driver's kick panel In need of help after performing delete; Initial start up did not have spark, put jumper wire to ground on coil bank connector after visually inspecting all known connections, engine started ran rough, and got codes P0010, P0107, P 0122, P0222 Prior to the AFM/Dod delete it ran fine and no issues ex The advantage is Multi port injection, and the MAP/CPS/O2 sensor automatically tunes the emgine w/o needing an AFM or the bulky datsun flappy afm. The first 2 vacuum advances were bad, but the third was good, so I took off the distributor cap to remove it. How to Delete or Disable AFM on GM/Chevy Engines. Air Flow Meter Wiring Connector MAF AFM 280Z 280ZX - 800-1094 (). 3L 6. it will pop and idle low and very rough. Cogito, ergo dolorum. Hello! I just bought a Sierra that seems to have the AFM system deleted completelly, with parts replaced, not just a tune. I just want to find something to put on there that will fit, not mess up air/fuel, keep the engine relatively clean, and possibly add a few 1976 280z Just dropped in a ZX L28ET and a Borg Warner T-5 The stock drive shaft does not fit 3) The new AFM does not fit "mount the AFM upside down in front of the raidator, and remove your stock AFM mounting bracket. How to Delete AFM. Whenever MAF is discussed with respect to the 280, the topic always deals with the Turbo. Why not the naturally aspirated High Performance 280Z. Typical: $58. So she was running great and strong. New black silicone hose for replacement of the original air intake hose. This will haul the camper some so i dont want no high stall converter. When I bought the car the AFM was out, and it looks way too clean to be original. Serban. Here’s what you need to know: 1. Drove the car all day. I purchased a 280z back in 2007 that had the AFM mounted in front of the radiator. For the ecu to know how much air the engine is taking in (to adjust how Turn on the car and warm it up to operating temperature (around F on your temp gauges) first start by moving the black "hand" that has a copper pins on the track (Clockwise for richer and Counter for leaner). Always seek the assistance of an experienced mechanic if you can’t handle the complex procedure. My '78 280Z is my daily driver, and already had a valve job when I bought it 10,000 miles ago. To properly delete it, both heads need to be removed to get the lifters out. This was creating a vacuum leak. What You’ll Need. 3. I am trying to avoid having to buy another 5. I have another ECU but have not tried to swap it yet. if it gets old and dirty it kills I believe the 77 280z fuel pump is activated by a switch in the AFM and a solenoid up under the dash on the driver's side. Joined Cancel Create thread Herz: 1976 280Z - daily driver with 4-speed OD auto tranny Kidz: 1978 280Z - rusty, but a great daily driver Parts: 1975 280Z 2+2 - the ultimate rust bucket. The stock Z car EFI isn’t tunable enough to 280Z AFM troubles 280Z AFM troubles. Sort by Oldest first Oldest To adjust the AFM so that it adds less fuel, simply pull to rotate the counterweight to expose the locking screw for the black wheel. 1975 280Z F54/N47 MSA 3-2 Header 2. Qty. The car’s many cylinders will often be left off to save fuel through AFM. I have located the screw. I thought my problem was the air flow meter. I am trying to get it back on the road. Cancel Create thread I've seen alot of different intercooler setups but not alot on how the AFM with the stock boot and AFM is routed / positioned. 2) Doug ECS: AFM can be tuned out. Adolfo Bisi Discussion starter. I used the GM L96 6. Status Not open for further replies. I should have been more clear with my post. I have calibrated one using the BCDD delete on the 280ZX is simple. I picked it up because I read that a big throat throttle body alone does not do much, but with a turbo AFM it makes a significant difference. The non-turbo 280Z AFM is not the same. its got that rollover fuel pump kill feature in it. Around $900 shipped. nor the 280zx AFM, but it may be possible to run the MAF on the 280zx ECU with slight modifications. Your AFM fuel pump switch might be hot-wired or bent and that's why the pump runs when the key is on. is to partially disconnect the rubber boot between the AFM and TB (I release the clamp and slide the boot half way off so that some intake air goes through the AFM and some directly into the throttle body As of recently, I noticed my 83 280zx NA has been backfiring and occasionally stumbles and hesitates when accelrating and continues to suffer from poor throttle response (choking especially at low RPMS((up to about 3000)) and crappy acceleration. I checked the AFM flap, which works. chevyman. Close Brakes. Save Share The 75 Z AFM controlled the FP relay and the 78 didn't. but thats when my problems started, after installation it barely started and barely ran eventually turned off and it's not turning on. The car is equipped with a 1978 fuel injected L28 engine. Both the A31-601-000 and A31-605 Fully stripped of emissions except charcoal canister. Search. Posted May 27, 2016. There was a guy on eBay selling "Hump Hose People have used the AFM delete and the cam, or lifters, have still disintegrated. × You cannot paste images directly Hey there, I have a 1983 280zx non turbo 5 speed manual transmission 2+2 The boot, AFM to throttle body Is Code: check it and make sure it is properly connected between the AFM and TB. Here are the various ways you can prevent AFM delete issues from occurring. Start the car in neutral with hood open and let it warm up. Home; Services 280z The AFM is your friend ('75-'78 280z) IT IS IMPORTANT TO POINT OUT THAT THE BLACK WHEEL IS UNDER TENSION AND THAT REMOVING THE LOCKING SCREW WILL RESULT IN IT GOING "SPRONG" and RECOILING. 970-598-5820 970-598-5820 423 25th St, Greeley, CO 80631 Mon – Fri | 9:00am – 5:00pm Appointments. , stage II cam, headers, 2. If you have a seven-pin plug, then the AFM does control the fuel pump (safety feature in case of crash). i took out all the old gas and i put in 5 gallons gas. Here are my recommendations for a top-quality 5. It worked reasonably well. Z Car Depot sells an aluminum tube that connects to the OEM rubber elbows from the air box to the AFM, and the AFM to the throttle body. Acceleration, speed, and power will all be stifled while AFM is on. This cover will work on Datsun 280Z and 280ZX fuel injection where Air Intake MAF AFM Hose OEM 280Z 280ZX. Reply to this topic; Start new topic; Recommended Posts. Availability: In stock. 1975-4/77 280z AFM to Throttle body rubber hose $60. The only exception is the 80-83 280 zx with a fuel pump timer. plug is 33 32 25. do a search for the fuel injection bible and get Fraser Engines offers the 5. I have already done the lifters, as well as multiple oil pressure sensors roughly three times since I bought it in 2013. The ONLY concession to the CA emissions that is NOT on the car is the EGR vavle, because for the I have checked extensively for vacuum leaks. FAST fuel injection replacement kit for Datsun 280Z and 280ZX (non-turbo) 1975-1983. I don't want to chop the wheel well, though i know it would work. 0L 6. 2L. Adjustment of the AFM will screw up your car 999 times out of 1000. '74 260z---NA L28 MSnS-E w/ Innovate Wideband Already sparking, soon to be squirting. 33 to buy an AFM disabler for the same purpose. 77 280 AFM problem Jump to Latest 709 views 2 replies 2 participants last post by johnb510 Jul 22, 2001 I own a 1982 280zx turbo that is having problems losing power while driving. 3 liter. Copy link. So, I'm thinking that the previous owner tried to use a 280zx afm on my car. the haness,the ecu and the afm are different from 75-78 and 79-82 the 83 is different yet. F. Another idea would be to remove the stock 280z AFM mounting perch, and free up that space for the fitment of the stock turbo piping and AFM (I presume). This situation comes up most often when the car is running rich (too much fuel). Take off the BCDD, put a flat plate in it's place, and then plug both the large and small hoses that ran to it. you can remove it also and get a better inspection of it. How to test AFM??? Jump to Latest 871 views 6 replies 4 participants last post by johnh240 Apr 9, 2002 The best way to deal with problems after AFM delete is to try to avoid them in the first place. Leading to overall worse performance. Follow me on Instagram @Chele_505 Fol I am working on a 1978 datsun 280z and i have questions. This guide will delve into the process, benefits, and potential drawbacks of disabling Active Fuel Management (AFM) using an OBD2 scanner. Share More sharing options Followers 0. It's appreciated. Two questions, please. The Burkey Vision YouTube series has a ton of great information on the 280z and 280ZX fuel injection system. The pump is only activated with the key in the start position or after the engine starts then the FP points in the afm connect like was already mentioned. Part #: 800-958 The truck only has 140k on it, so I'm looking at doing the AFM/DOD delete rather than just fixing the failed lifter. Disconnect the serial cable from the ECU, then reconnect. Quote; Link to comment. Cab Z71 Silverado SOLD - 2016 CCSB Z71 Colorado SOLD - 2013 GMC Sierra 1500 SLT SOLD - 2008 Chevy Silverado 1500 LT. My 83 280zx turbo was running fair but did not pass emissions inspection. From your description it sounds like your ECU is not getting a useful AFM signal at all. Need to replace AFM wireharness plug on 75 280z. It can’t breathe and it’ll stumble and die. C Throttle body end slipped right on and fit like a glove! The AFM end, on the other hand, was really loose. It has been sitting covered for a number of years. Front Brakes; Rear Brakes -AFM delete pipe (retain stock fuel pump and injectors or upgrade to larger injectors) *Parts that will be removed from the original system: ECU, Air flow Cancel Create thread 1976 280z stock with suspension technique lowering springs, msa sway bars, and 15 inch ARE wheels wrapped in bridgestone potenza's 1978 280z parts car. I thought it was straight forward. Vacuum leaks are when unmetered (by the AFM) air entering the engine and the ECU does not know to richen the fuel mixture to compensate for this unmetered air. 2L, and I used a ton of junkyard parts, but I'm 100% certain it could be adapted to the L28 since the same GM computer runs both the GM 2. Texas Speed & Performance Gen 5 DOD/AFM Delete Kit. A kit removes the AFM hardware in the valley cover. Plug-and-play install and dyno-proven to add 50+ whp. 3L 5. I had to take a razor blade to the inside of the insert and try to remove about 1/10th of an inch, just enough to let it slip over the AFM outlet. 2. any help I've been looking all over for a new Mass Air Flow sensor for my 77 280z and everywhere I look all the Air Meters are for 78 Z's and 79+ ZX's. The entire radiator, etc needs to be removed so the cam can be replaced. 1K+ bought in past month. The car was running extremely rich and basically falling flat once being driven. Both of these boots are still available from Amazon and the great thing is that they only cost $10. By removing the AFM system, this remanufactured engine eliminates problems such as excessive oil consumption, lifter failure, and uneven performance, which are prevalent in these model years. 73' 240z 270/280 460 lift cam-haltec f9 programable fuel injection-crane adjustable timing ignition-grand prix supercharged injectors and 74mm tb-scca roll-cage-ported n42-ported custom intake-lowered-front The cost of deleting AFM on the Chevy Silverado 1500 varies depending on the applying process. I notice that this happens occasionally after the car is nice and hot. $4. Resurrected Classics. Test this by putting the key in ON and them manually move the afm vane (you have to remove the air filter to AFM hose to get to the vane) with your hand, listen or better yet hook up a fuel pressure gauge and confirm the pump is running and building pressure (about 36psi, engine off key on flap Sierra AFM Delete. Hello everyone, I have a 2008 Chevy Silverado 1500. Figured that should work. Les - 13th post wonder, 4th Z car in 22 years Cancel Create thread 1979 280 zx with a 1982 F54 block & P79 head . Luciana 1977 280z - Zowie 1987 300zx - Joanna 1983 Hey guys, I recently inherited a 1976 280z that is in sweet condition. I also think that 75-76 models had a blowback valve in the flap of the afm, and mine does not. Seeing a lot of articles about disabling the AFM. The mechanic sent me a link to the AMS racing kit which includes a Diablosport I3 Handheld; however, browsing this and other forums, there seems to be a number of recommended kits AFM delete? Jump to Latest 4. Install an AFM Delete Kit 1977 280z 1984 AE 300zx Turbo. Quote; Link to comment Share on other sites. I contected the fuel pump to a spare 12v battery and 3) When using the PCV as it was designed, if you are concerned about the engine ingesting “false†or “un-metered†air, the OE PCV/vacuum plumbing eliminates that by allowing fresh filtered air from “behind†the AFM to be drawn in to the valve cover, (this air is metered by the AFM), and as it passes through the 1. Resurrected Tuning Options: Deleting AFM can open up more tuning options for your engine. The arm you see moving is attached to the flap that opens and closes in response to the air coming through the AFM. afm; 280z; l28; tuning; 1978; By Mike33Stig September 7, 2021 I have played with the AFM because both units I have already been played with. 00 shipped and you can even find them in your local junk yard as they are off Hondas from 2006-2015. 3/6. 3 with the same AFM bullshit 1975-4/77 280z AFM to Throttle body rubber hose $60. Reply to this topic; Clear editor. Doesn't explain why the relay started working though. I afm delete. Very common on these old cars Status Not open for further replies. frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted Low oil pressure after AFM delete. Reconnect. I bought a new/ reman afm from python and installed it. I do have the AFM 5. Brand: vendor-unknown. Hey guys trying to delete as much emissions stuff as i can on my 280zx turbo, Please advise on what you may have done or seen done. When I unplug it the car idles much worse, it jumps from 300 rpms to 900 and at times will die, but when I give the car throttle it revs up great and has no problems with The vacuum hose was also cracked. Remove a variable. Battery voltage where its supposed to be. Finding the 240Z, 260Z, 280Z (S30) Forums - How to adjust AFM - Hey guys! I understand that you can adjust the AFM on a 1978 280z by adjusting the screw covered by a plug. It always starts, reves to 6K, runs great. Choose from 70mm (2. I checked the Control Unit pins according to the 280z fuel injection book. Quote; Link to comment Clear editor. This is where the black insert from the 3-3" coupler comes in. Feb 12, 2023 #4 Fless. 99 19. 5 exh, three webers, elc. 22 posts · Joined 2024 Add to quote; Only show this user #1 · Nov 2, 2024 (Edited AFM Disabler Active Fuel Management Delete Disabler AFM/DFM Disabler Compatible with V6 & V8 GM Motors AFM Disabler 5. Any help would be greatly appreciated. But if you want to replace all 16 lifters and delete AFM, it’ll cost around $4200. All new vacuum lines. hose of the AAC idle valve to manifold vacuum, and remove the VCM (vacuum control modulator) assembly from under the AFM, being sure to cap off all the hoses to and from it. give it a visual check for corrosion. Wondering what the L8T cam works like in a afm delete compared to the stock afm cam as in low rpm range . 3 Silverado (Chevy GMC Sierra GMC Yukon Cadillac Escalade etc)4. 0L VVT Cam, use w/ OEM Valve Springs (28-12626660) Started Right up. Bought on a monday and collapsed on friday. I have not yet adjusted the valves. Understanding the intricacies of an Obd2 Afm Delete is crucial for any car enthusiast or professional mechanic. Beastlikethat1. Ktmryder41 Discussion starter. If/when I buy a newer rig, I will do the same thing again. New plugs E3's /wires MSD 7mm. 4 posts · Joined 2021 Add to quote; Only show this user #1 · Apr 26, 2021. 75 280Z Current project car 75 280Z Hybrid Chevy 350 04 350Z 70-83 Tech Discussion Forum Car Talk Forum 84-89 Tech Discussion Forum Cars for Sale: 1970-83 240Z, 260Z, 280Z, 280ZX For Sale: Parts & Accessories Top Contributors this Month View All Fuel Injection Retrofit Kit FAST EFI 280Z 280ZX - 650-251 (). If the vane spring is too loose it will open too quick and run rich as soon as RPM So for those that own a EFI s30z, the AFM on these cars REALLY makes them a pain in stock form. In this tutorial, we’ll walk through the process of selecting and using a gm afm delete kit to help you achieve a better driving C7 Tech/Performance - AFM delete3 ways - Doing a search on AFM DOD delete I find 3 ways to delete: 1) The most popular is Ranger module. Is it a better choice? Save Share My z has 10:1 nismo pistons, 280/480 snieder cam,stainless valves, headers, 3 inch ram flow intake piped all the way to the intake, 60mm weber throttle body, motorsport FPR, aluminum flywheel, 4:11 rear diff, and other mods. Thanks guys. Reactions: pilgrim. 00. 1978 280z L28. Luciana 1977 280z - Zowie 1987 300zx - Joanna 1983 280zxt - Pooja II 1984 300zxt AE - Pooja I 1987 BUT TO MAKE IT VERY VERY VERY VERY CLEAR: This AFM came off a running 1976 280Z 2+2 with over 175,000 miles. Posted October 30, 2019 I have a 2014 sierra L83 with a stuck lifter and it was disabled. Datsun 280ZX Model Restriction: For turbo models only. I still plan on taking the fuel pump off and cleaning the screen. 99. Members; or just To get the ball rolling, what exactly are you referring to as an "AFM delete unit"? A plug-in module to disable AFM from engaging or an actual delete where you replace the AFM parts with the non-AFM counterparts? Reactions: swathdiver, Geotrash, Miami-Dade and 2 others. Then, if I back the idle air mixture screw on the AFM 6+ turns from closed, the car almost runs perfectly. While deleting AFM using AFM delete kit costs around $19 to $74, you may need to spend around $137. This comprehensive kit includes essential components for your swap Turns out there were indeed cracks in the boot from the AFM to throttle body -- must be recent from all my work in the engine bay, as they were not there when I originally posted on my issue. Check that the connector for the AFM is tight and the terminals are clean. Are you checking at the ECU plug, or the pins on the bottom The AFM needs to have the correct rate of movement of the vane with air flow and that's what the atlanticz procedure is supposed to do. Before starting the AFM delete, here’s a list of tools and equipment you will need: OBD2 Scanner: To read and clear any codes. Two different sizes of clamps. We generally only recommend deleting the system if you have failed lifters and have to do all of the labor Cancel Create thread Your AFM is essentially a potentiometer that sends a signal to your ECU which estimates the amount of air getting through to your motor. The Texas Speed & Performance DOD/AFM Delete Kit provides everything you need to completely remove Displacement On Demand (DOD) and Active Fuel Management (AFM) from your engine. 1979 280zx 2+2 5 speed 1982 flat top piston F54 block P79 head. It's just people screw with it and the terribly coarse adjustments they make so severely alter Air Flow Meter Intake Hose MAF AFM 280Z. fans, aluminum flywheel, 5-speed, 4:11 gears tps adjustment, afm tweeks. $95. $55. The system worked great on my Jeep. Vehicle Login Cart (0) Wish (0) The image shows AFM #A31-060-001 which uses 3 mounting bolts. But just it's a 4. 4. With the delete kit, if you replace the AFM valley cover with the standard non AFM cover and the ECM can't see the solenoids, the engine will only run in V4 mode. Runs on every other cylinderwhich is what I expectedtill we tune this out. tl;dr Unless you're replacing the entire ECU with a standalone, don't remove it. Jump to Latest My ECU was slowly dying and in my 1977 4 speed 280z and I got another, but it turns out what was in my car was from a 1976 car. At idle, the engine should behave pretty The AFM is the EFI load sensor every EFI system requires a load sensor of some form: AFM, MAF, MAP, A/F Distributor, etc. after it dies and i turn the key back to start, it start right back up Just an informational video on how to instal a AFM delete Modual on a 2017 Chevy Silverado. As for the specifics, I don't exactly know. EGR delete. Variable Resistor for Fuel Injection Mod 280Z 280ZX. Description. I considered running water/meth injection until I figured out that I was going to be If you’re considering deleting the Active Fuel Management (AFM) system from your General Motors vehicle, you’re not alone. Can I bypass it somehow? also can I get rid of smog canister on the passenger side? Removing it will just make your car smell like gas fumes, and may even cause a problem depending on how you take care of I found out why my Faustino wasn’t getting fuel pump voltage (it was my rubber intake hose) Hi everyone, I've been driving my 280z every other day. C Posted by u/75_280z - 9 votes and 11 comments I did a mechanical AFM delete on my 2012 and took advantage of the opportunity to put a slightly bigger cam in it worth around 50hp and tq for better towing performance. Also, you may ask around here on the forum if the 1977 AFM for 280Z will work for you on the 1975 280Z you haveI think theyThis is with a captial may. Wheel Related; Air Intake MAF AFM Hose OEM 280Z 280ZX. The setup was prone to knock @ only 5 psi of boost but I believe that was caused by the lack of an intercooler and the crappy old school turbo. Seat and unseat the afm connector a few times in case it has some corrosion or contact issues. Thank you very much. I have a 1979 280ZX built in 11/78. 2011 Ext. AFM flap was stuck in the open position, it was getting caught when all the way open, so managed to get that to move more freely - I get what the gentle tap is for now! Once I'd addressed the AFM, it still wasn't starting, so I put an inline fuel pressure gauge after the fuel filter, cranked the engine and nothing (0psi). 04. 75") or 78mm (3"). Jump to Latest 282 views 2 replies 3 participants last post by RDF1 Dec 31, 2024. 300ZX (Z31) Performance / Technical - how to remove AFM - Just want to see proper steps to remove the AFM? Car is rough out of 1st gear and trying to see if replacing AFM helps out? Plugs looked good. Why are they hard to come by, do they break? What are your options? Are you running efi or carbs? If efi, that connects to Hello, I just recently got a 78 280z with a 1982 280ZX Block in very poor running condition. Part #: 800-447. but first see what your car is doing before making adjustments set 280ZX Performance / Technical - l28et fuel and ecu - Well my l28et is nearing completion here's what I'm running T3/t4 turbo External wastegate Walbro 255 fuel pump 3inch down pipe Fidanza aluminum flywheel /exedy stage 2 4puck clutch 240sx 60mm tb , I am also wondering about the afm delete/gutting -my goal is 300hp I 70-83 Tech Discussion Forum Car Talk Forum 84-89 Tech Discussion Forum Cars for Sale: 1970-83 240Z, 260Z, 280Z, 280ZX For Sale: Parts & Accessories Top Contributors this Month View All Cancel Create thread After some searching around I found another forum where the person said that when he unplugged the afm it started running better so I tried it myself. You need to make sure the air flow meter has the same number of pins otherwise your car may not run right, or it won't even bolt in without modification. 00 Quantity: Subtotal frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. I have yet to do the delete kit on it along with new oil pump as well. Jump to Latest 3K views 9 replies 6 participants last post by skittle Apr 25, 2016. NewZed. OEM genuine Nissan rubber MAF hose. California Specification. I have a 1978 Datsun 280Z that is plagued with intermittent stalling problems. could try these guys: 280zx AFM hose 16578 - Google Search Cancel Create thread 78 280Z 10:1 comp. Check your plugs and verify that they aren't Air Flow Meter, 75-83 280Z-280ZX Non-Turbo About This New Store | New E-Mails | Welcome International Customers! | Z-Mail! Skip to Main Content. The plastic pipe and AFM can be secured to the chassis with anti-vibration mounts like on the AFM as they are essentially one piece if you use the straight rubber coupler. It's essentially disconnected. Auto Specialists. Remove the AFM from the car (remove the two rubber hoses. 1) If I purchase and HP Tuner, are there a set of "tunes" that are available for this particular engine with the Are you tired of dealing with the limitations of Active Fuel Management (AFM) or Dynamic Fuel Management (DFM) in your Chevy or GM vehicle? Look no further! Cancel Create thread Turning it CW enriches the mix as it turns a screw that closes off the bypass duct under the main AFM passage. check the plug that goes into the AFM. By stupid_fast January I'm looking for some spare AFMs to test from a 1982/1983 280ZX turbo model. To give a general start point as of right now when it comes to tuning I have nothing just trying to start a side business Share Add a Comment. 405. AFM Plug is frayed; By Zmanj87 November 21, 2012 in S30 Series - 240z I’ve seen the video on how to afm/Dod delete but I was wondering if someone could give me a list of the actual pieces of equipment and the specific software I’d need. Upload or I did buy a new flywheel and clutch for a 280zx turbo engine so should I still remove it? I may just run with my 280z's current harness and look over the 240z's modified harness and see if it has the corresponding connectors I need. Sort by: In many cases, someone will replace an old AFM with a new or rebuilt unit, only to have the car run even worse than it did with the old unit (or not at all). Many GM owners want to optimize their engine performance and prevent issues tied to AFM operation. We recommend upgrading valve springs with the addition of a performance After 2500 RPM it’s fine. Toggle navigation. lft giqybuo tmcgnip fkofp fuxe blu jwac xzrwrgw sftjp gwnj