Fiero ecm upgrade 8. YouTube-----87 Fiero GT 3. Grief was given more or less the first 5 years as I 2. fuel injectors. Note you will need to remove the cover to install this adapter however after that simply swap PROMs in the adapter * Most will allow the board to be installed however some ECMs will not Recently a friend of mine brought me his Fiero to have a swap done. I found a copy of hptuners and a little info on it. This upgrade increased the size of the stock throttle body by 3mm, to a total of 57mm. Here is the reasoning behind this project; the ecu fits in the stock location, a total of five wires need re-pinned to work with the modified In early 2010 I purchased a 18K mile 2007 LS4/4t65e-hd dropout and started work on an LS4/F40 swap to replace my old Ramjet one. Having said that I would like to ask if in fact this engine is a true "bolt in" 1987 Fiero GT built by my brother, merlot566jka, 3500 LX9 from 06 Malibu, WOT-TECH. Post Reply Email This Page to Someone! | Printable Version | Add to My Favorites | As mentioned above, I need to go from an '85 Fiero ECM with already modified fuel tables, with 2 BAR MAP sensor, knock sensor module, and a Zietronics Wide-Band O2 sensor. Ramjet SBC/HTOB Getrag/7730 ecm; 4. 8 (Page 100/107) Darth Fiero: the 7730 ECM seems to be much more sensitive to pre-existing electrical and mechanical issues than the stock Fiero ECM is. In short, it was an excellent choice! The ECM that was used in this Specializing in Brake and Suspension Upgrades for Pontiac Fiero Menu Skip to content. 4 you have to retain it. they are not hard, but they are VERY limited due to age. If people find the their cruise code (such as AR) needs to be grounded or not grounded, I will keep track on this first page if you send me a PM. Post Reply Email This Page to Someone! Hey all Im planning a 3800 swap and want to try and program the ecm myself. Home; Brakes; Suspension; Engine; Transmission; DIY Section. Goto: Now for the engine upgrade by 1fastcaddy. And until the ecm sees normal engine temp it could run as if it is -20 degree outside if that sensor is bad. There are some grey areas around 94-95 but for what you're doing it shouldn't come up. Both unopened to by knowledge. Posts: 6620 From: spotsylvania va. A standalone engine Recently a friend of mine brought me his Fiero to have a swap done. 613/. If you ever wanted to upgrade to the 7730 ECM, it would make it much easier because the crankshaft sensor and knock sensor ports are already there. I was driving the SBC/Carb swap quite a bit, but wanted fuel injection and more power. 4 TDC(DOHC) pistons) and 5. You are going to piggy back off the raw VSS signal before it goes to the speedo. Niterrorz Member . 3CPI/4T60. PCV routing, wiring diagrams for 88 Fiero w/ LS4/F40 and E67 ECM, DBW pedal installation, 500 Hi everybody, I had been playing with the idea for a while, but I finally did it: I installed a '98-''02 Firebird Body Control Module (BCM) in my 87GT. This will help others as they install their cruise. I'll give a little backstory to this project before I get into what I'm planning. 4 batch fires all the injectors at the same time. Which means it won't really matter what car the ECM comes from. 8/5. In short, it was an excellent choice! The ECM that was used in this thinking about a ecm upgrade for the 88 v6 formula 4 speed since I'm getting a little tired of the stock ecm deciding to randomly gain and lose power with no codes or anything and would let me do the larger intake and some quieter but freely flowing exhaust to go with the suspension mods I've got in the mail (just fixed the front suspension and decided it needed Recently a friend of mine brought me his Fiero to have a swap done. Not content with sticking with the stock 2. Some misc. The upgrade wasn't that difficult at all, but I did take out the dash for installation. 5:1 C/R that runs 15 lb/hr. 4 with upgrade to the 7730? I have a v6 automatic harness. If you are also going to upgrade the ECM then you just got to take care and route everything properly. 8 engine setup. 4 Camaro pistons or 3. Feedback Recently a friend of mine brought me his Fiero to have a swap done. Upgrading to the 7730 is because you swap to a different (newer design) engine. Figure on moving every wire. Not content with sticking I've found . Goto: 7730 ecm upgrade by ericjon262. 1L increase and a cylinder head upgrade is greater than what was achieved between the non VVT 3500 and VVT 3500 with a more significant intake flow capacity increase and addition of VVT. One of the more interesting features of the 7730 when using the $88 code mask is there is a "highway mode fuel" function that leans out the AFR periodically Recently a friend of mine brought me his Fiero to have a swap done. We thank you for the years of support and are excited for what the future holds. I would swap the stock ECM out to a 7730 ECM The Platinum Sport GM is a state-of-the-art plug-in solution designed to optimize the performance of many popular General Motors engines. I. Pennock's Fiero Forum Technical Discussion & Questions - Archive 7730 ecm upgrade T H I S I S A N A R C H I V E D T O P I C Page 1 of 1 Last. Then I re-flashed the ECM with a DIS compatible bin file. The overall power increase between the 3400 and non VVT 3500 with . 1985-87 Caprice, El Camino, Monte Carlo, Impala 4. Here is the back story. com 1280 grind stage 3 cam, LS6 valve springs, 1227730 ECM conversion, Darrel Morse solid aluminum cradle mounts, Truleo headers modified to fit the 3500, 36# inectors, 70mm 4. Mix matching parts from between each. E. 9/Isuzu/7730 ecm; SBC/Isuzu/Carb; 4. 8 stroked to 3. OBD or On Board Diagnostics is broken up into basically two categories pre-96 (I) and post 96 (II). Never in my mind I would imagine that it would give me so much grief and gratification across the years. 1 Sensor mounting bracket made from the pattern in this thread. After this date you can buy our upgrades from local distributors and resellers or feel free to check out our repetitive retail offers under Highlights & Update tab. Started on: 05-31-2006 05:06 AM: Replies: 13 : Last post by: 1fastcaddy on 06-01-2006 02:43 PM: May 31st, 2006. 595 LSA 114+3; Smith Brothers bronze bushing rocker upgrade; Texas Speed CNC Stage 1 ported ECM upgrade (1227730) for stock 2. Get that under your belt and then start getting excited about ECM programming. Causing a rich condition and when the ecm sees normal engine temp, trys to lean it out by looking at the O2. 3. ECM Wiring Changes - The 7730 ECM uses the same type of connectors as the stock Fiero 2. Started on: 10-04-2017 07:23 PM: Replies: 9 (780 views) Last post by: fierosound on 10-07-2017 11:15 PM: Oct 4th, 2017. nuts and bolts, wires, sleeving, and solder. 4 and transmission is a original auto. This business has grown to be a multi-generational family business. Many cars have problems because iffy cable and/or pedal The Fiero ECM does not use this sensor, and it keeps the hole plugged in the block by leaving it installed. 8L with 8. So you have to rig something up. So you'll have to have the ECM reprogrammed, anyway. In It is common knowledge that the 3. 8 ECM, I convinced him to swap out ECMs during the swap as well. 045 and I will add that the turbo kit that was installed was a design one systems kit so it at least had a ECM upgrade so I fell like the odds would be in my favor for the car not flooding. (The Crane Fireball or the MSD systems are the best) 4. In short, it was an excellent choice! The ECM that was used in this One of them goes to the tachometer, and the other goes to the ECM. Not content with sticking Current list of upgrades. In the stock configuration, the LS4 E67 routes the cruise control through the Body Control Module (BCM) and through the High Speed GM LAN (CAN) wires. I'm using the Shelby One of the problems I've heard is that the Fiero ECM is designed or programmed to operate the pintel injectors for the proper duration to give the correct fuel mixture and the disk type injectors react differently to the Fiero ECM's signal, giving an incorrect mixture. get all the info into a easier to get package AND have a bin file that is free for someone to download and get burned into their chip for a stock 2. The V6 ECM can't control the radiator fan. No intercooler on the basic kit (because no real high boost) Don't know about the injectors, but if you don't upgrade them then you would probably have to upgrade to higher pressure fuel pump. In short, it was an excellent choice! The ECM that was used in this The Engine Control Module (ECM) uses sensors to monitor the operating conditions of the engine. Posts All the Fiero V6 ECM's will work, but to work correctly, be sure it's from a V6 with an automatic transmission and AC if your car's so equipped. 5 4cyl TBI. 8 (The Construction Zone - by Darth Fiero, started: 01-09-2007, last post: 2017-12-18 16:19:13 CET) Recently a friend of mine brought me his Fiero to have a swap done. Fiero Related How-To Videos Or just go right to my YouTube channel. If you use the Fiero ECM with the 3. 4l Pushrod w/ 7730 ECM Upgrade Questions T H I S I S A N A R C H I V E D T O P I C : 3. 4 route is not an option I want to entertain. (Car engine because many Trunk 2. It's a regular practice with guy's that upgrade the crappy vortec spider . I am planning on doing this for my 3. You could have a problem with the fuel pressure regulator. Rod End Lateral Link; Strut Mount Relocation; Modified Decklid Hinges: Ramjet SBC/HTOB Getrag/7730 ecm. Pin "H" Recently a friend of mine brought me his Fiero to have a swap done. If you are doing internal things to the engine, EDIT: Going to update this page when I have everything documented. 5 - 4. The Fiero ECM can't handle ECM upgrade (1227730) for stock 2. The car was sitting for about 8 year. Just what is sirnificantly mean. 4 can't 3400 has knock sensors. While Fieroguru Performance LLC has done i figured this would be for you dwayne -----1987 Fiero GT built by my brother, merlot566jka, 3500 LX9 from 06 Malibu, WOT-TECH. ericjon262 Member . The stock Fiero does not have a 4K VSS needed to run the new cruise. 3 throttle body adapted to 3500 intake, ported Fiero 7730 ecm swap with distributor I have a 1987 fiero that I have done a 7730 ecm swap in it. 2007 LS4 w/73K miles – tear down, check ring gaps, hone, reassemble with new bearings; DoD/AFM delete; Reluctor wheel swap to 24X for use with the E40 ecm; Tick Stage 2 Turbo camshaft for the 4. 4L is a larger displacement Recently a friend of mine brought me his Fiero to have a swap done. I will read it 100 times over I'm sure. Do I need a standard usb to obd2 cable? Any help or insight appreciated! As long as it is in range . Started on: 10-15-2013 04:26 PM: Replies: 22 (1536 views) Last post by believe is . Like many, I dreamed about a sports car and a Fiero I got. I bought this car new back in March of 1988 once I started my first job out of college. I have an 88 GT with a bad engine, an am thinking 1987-88 Pontiac Fiero 2. Reprograming to "correct" a "mismatched" engine can be done but is way more work than "results". 1 pushrod 86 Fiero SE 2 GM OBD1 ECM MEM/CAL MEMCAL PROM Adapter Compare to Moates G1 Memory Adapter Allows you to use a custom programmed chip (not supplied) with your GM 66 pin MEM/CAL ECM. In short, it was an excellent choice! The ECM that was used in this An advantage to using the 7730 ECM in a Fiero application is the drivability and response time of the engine improved significantly. SUV today. The sport utility vehicles have the highest power ratings. In short, it was an excellent choice! The ECM that was used in this Either the one you have now or a new Fiero or Camaro damper for the 2. 8 ECM. The If you're running the Fiero ECM - it will work great. Posts: 618 From: Hays, Kansas Registered: Oct 2004 The improvements offered was a machine / boring package for the Fiero's stock throttle body. View Profile View Forum Posts Private Message The Fiero guys truly are the mad scientists of the automotive hobby, and I can't thank them enough. IP: Logged. The only difference is the 7730 ECM uses a 3rd connector (yellow) and requires 2 additional grounds and some additional wiring circuits for the knock sensor, fan relay control, EGR, EVAP solenoid, and VSS input. The . 4 Engine Conversion I tune stock Fiero ECM's. It is common knowledge that the 3. PCM/ECM upgrades necessary for each. BIN files for virtually all combinations of years/engines/ECMs for the Fiero, but I've yet to find an . So both those things get deleted. In my opinion the 7730 ECM upgrade is one of the best things you can do for your cars drivability. ) Benefit of the Camaro 93-95 block is DIS (ECM ?) and can use 7730 ECM upgrade (relatively easy thinking about a ecm upgrade for the 88 v6 formula 4 speed since I'm getting a little tired of the stock ecm deciding to randomly gain and lose power with no codes or anything and would let me do the larger intake and some quieter but freely flowing exhaust to go with the suspension mods I've got in the mail (just fixed the front suspension and Pennock's Fiero Forum Technical Discussion & Questions - Archive Now for the engine upgrade Page 1 of 1 Last. IP: Logged 3400 has no distributor. Upgrade ignition. Loved the car, painted it bright yellow, rebuilt the engine, and after a couple years of owning it, someone turned in front of me and totaled it First the typical introduction J This V8 will go into my 88 Red Formula. In short, it was an excellent choice! The ECM that was used in this Pennock's Fiero Forum The Mall - Archive California 7730 ECM upgrade For Sale T H I S I S A N A R C H I V E D T O P I C : California 7730 ECM upgrade For Sale I have the parts to do the 7730 ECM upgrade legal in california. Current issues to start working out 1. In short, it was an excellent choice! The ECM that was used in The ECU programming and harness are being done by a shop in Michigan The transmission is from a saab 9-3 2. Specializing in Brake and Suspension Upgrades for Pontiac Fiero Menu Skip to content. ECU file is needed to properly edit the . I had to replace the fuel pump. Also, the V5 compressor doesn't have a fan switch, because it was used in cars with ECM controlled radiator fans. 3L V6 TBI The function of the adapter is to bypass the factory PROM chip on your mem-cal and force the ECM/PCM to instead read the custom programmed EPROM chip we will install onto the adapter board prior to shipping it The 3800 engine is a V6 engine that offers a significant upgrade in power and torque compared to the standard Fiero engine. usa Hudini thanks for the link to the ecm upgrade post. I don't think any of the stock 7730 ECMs will be able to run your engine properly. 5/Isuzu; Contact; Getrag with serpentine belt upgrade. Francis T, I will look into what a Hi Guys I’m new to this and also new to the fiero world. The systems are plumbed in different for auto and manual transmission. upgrading to a 7730 ecm is your first step before doing ANY fiero tuning. The older ECMs are just fine for the cars they were made for. The swap is very cost effective and requires just a few mods for the engine to bolt right in. Summarizing the working theory of this outstanding ECU power programmer, Fiero Smart-Tune ECU Controller alters the Intake Air Temperature and O2S/EGO/EGT sensor Fiero Injector Upgrade (#19 Injectors) by StoneyRocket. Does anybody upgrade the harness for a swap of a 3. 1fastcaddy Member . My not so big problem that is mostly figured out given all the research of the F40 is what Recently a friend of mine brought me his Fiero to have a swap done. BIN file which is then burned to a new PROM. 4 with a Fiero ECM does not. In short, it was an excellent choice! The ECM that was used in this I'm gathering parts for the 7730 ECM upgrade for my 86 2. The 7730 computer came out later in several cars is much faster and is a popular upgrade to the Fiero computer but is still OBDI. Home; Brakes; Suspension; Engine; Ramjet SBC/HTOB Getrag/7730 ecm; 4. ) GM really did a good job on most code but if you mod the motor that code may need some tweeks. Notice on page 1 where it says delete the A10 wire from the old Fiero ECM (2000 PPM from the speedo)? Pennock's Fiero Forum Technical Discussion & Questions - Archive 3. This is my first post, but I've been lurking and researching this site for a couple months now. UPDATE: 04/07/2008 The stock Fiero does not work with the new cruise as of this date 04/07/2008. 8 doesn't have, but it's essentially the same block. I need help finding a bin file that will run it, the engine is a 2. Same for the AC. The 3. Posts: 4119 From: Registered: Sep 2010. 5v, the ecm thinks it is OK. In short, it was an excellent choice! The ECM that was used in this Recently a friend of mine brought me his Fiero to have a swap done. The Fiero as stock is wired where the VSS signal goes to the speedo then back to the ECM. Since I didn't install the BCM when I did my swap, I had to come up with a different method for cruise control. 4 Pushrod with 7730 ECM & DIS 88 MERA #8013 85 Fiero SE with 3. Recently a friend of mine brought me his Fiero to have a swap done. • No A/C, so mounted the alternator down low • Truck TBI with IAC installed 180 degrees from normal to retain EGR • Bent hard fuel and vacuum lines to follow fuel rails • Replaced Recently a friend of mine brought me his Fiero to have a swap done. Upgrade exhaust (Borla or custom 2. 20 years ago I bought a 1984 Red notchie with the 4-banger. 5 performance upgrades? by CSM842M4. In short, it was an excellent choice! The ECM that was used in this A bad solenoid or short in the wiring can easily fry drivers inside the ECM, which the ECM itself will not detect. EFI type (PMI, bank fire, SFI). 3400 fires sequentially. Started on: 03-09-2011 11:03 AM: Replies: 4 : Last post by: ericjon262 on 03-09-2011 06:20 PM: Mar 9th, 2011. Post Upgrade board for 7730/7749 ECM Upgrade board for 7730/7749 ECM. Just get the K&N air filter. 3400 can detect individual cylinder misfires. 8 and 125-C and wanted me to swap in a lower mileage 2. The West Coast Fiero Plug and Play Haltech Sport GM device is an Engine Control Unit (ECU) that plugs directly into the factory harness, eliminating the need for any rewiring, making it an ideal, hassle-free upgrade. Francis T Member . The f-body BCM offers a lot of nifty functions in the Fiero: RKE with GM style fobs, visual (parking lights) and optional audio (horn) The system includes an ecu. So if you have any such issues, the 7730 Recently a friend of mine brought me his Fiero to have a swap done. 8 and 440-T4 OD transmission. Has anyone come across a site where a Fiero . It's got a couple of sensor ports in the block that the 2. . You will definitely need new pistons (3. 8L V6 MFI. In short, it was an excellent choice! The ECM that was used in this Rear Coilover Spring Hardware 84-88 Fiero: $275 w/o springs, $425 with springs 3800 Electronics and ECU West Coast Fiero (WCF) is your comprehensive solution for a seamless 3800 Fiero engine conversion. These trouble codes can be retrieved later from the ECM to guide you in 2. The chip in the Fiero ECM was optimized for a 2. I think my biggest challenge will be the ECM upgrade if still necessary unless you know of new/simpler upgrade for ECM. It is a 60* V6 like the 2. 4 V6 engine swap. Started on: 05-10-2015 02:04 PM: Replies: 10 (581 views) Last post by: 1MohrFiero on 05-16-2015 11:35 AM: May 10th, 2015. I used the low-pressure switch to double as the fan switch; it activated a relay which would ground the fan switch wire. This is the same ecu used in the 86-89 camero and corvette with tpi. 4 RWD or GM crate block, 3400 block with Fiero top end, 3400 complete, 3400 with 3500 heads - still in the beta bug stage. IP: Logged JCircs Member . I have collected all the parts to do the DIS upgrade or restore(?) on my 3. You need the automatic ECM for your idle bump when you put it in gear. ECU file for either the 1226869 or 1227170 ECM. For now I'm using the following links: AC Compressor Switches by RWDPLZ V5 Compressor Upgrade / Conversion by Blacktree A/C compressor (HR-6) replacement, 86GT by CPTSnoopy Correct V-5 compressor control valve for r-134a? by CPTSnoopy DA6 and HR6 Compressor Teardown Recently a friend of mine brought me his Fiero to have a swap done. I have a 7730 unit I have 3 coil packs for non-distributor The 7730 ECM has three connectors while the stock Fiero ECM has two. The check engine light is on but I can’t get it to flash the any codes an I also cant get my scan tool to hook up as well. 3L engines, 219/223 . 8 ECM on his turboed Fiero engine and I think he would greatly benefit from one of these ECM upgrades. I'm just curious about how many otherstudents have been done. The ECM is matched to the engine. 4l Pushrod w/ 7730 ECM Upgrade Questions. As such the Fiero ECM is OBDI. However, it’s important to note that this conversion requires a fair amount of mechanical knowledge and skill, as it involves significant modifications to the vehicle’s existing setup. Other options for '93-'99 engines include the OBDI 7730 computer and the OBDII Shelby Series 1 computer. Other services offered including matching the new bore of the throttle body to the intake. In short, it was an excellent choice! The ECM that was used in Recently a friend of mine brought me his Fiero to have a swap done. I was wondering if there was a way we could make the 7730 ecm swap a easier swap for people. 85" pushrods. 5 EGR are ECM controlled sim to Fiero V6) Check TBI will reach WOT when pedal is floored. In short, it was an excellent choice! The ECM that was used in this Hello After reading everything posted on this subject on this and other forums (even the archived stuff) I've concluded this. They are also reprogramable for many uses. In short, it was an excellent choice! The ECM that was used in this I used the 7730 ecm in this swap and tuned it for the 4. Only the Fiero-initiated could tell it's not a stock Fiero block. Posts: 3109 From: everywhere Recently a friend of mine brought me his Fiero to have a swap done. I read Darth's write up several times & decided to go "Whole-Hog" on the conversion which means I need a way to trigger the Dis. That is where the similarities end. The ecu I used is the 1227165. Posts: 4363 From: Paducah, Ky I also have a video on doing the 7730 ECM swap if you decided to upgrade that as well. It is more than just a chip. 1L and shares most mechanical dimensions. 3 throttle body adapted to 3500 intake, ported heads, upper and lower intakes, lightly The 2007 LS4 in my 88 Fiero is a Drive By Wire (DBW) setup and uses the E67 ECM. Post Reply Email This Page to Someone! | Printable Version | Add to My Favorites Page 1 of 1 Recently a friend of mine brought me his Fiero to have a swap done. He had a very high mileage stock 2. 5 with a stick. People usually upgrade to the 7730 ECM along with the 3. Are you using the original ecu from that engine in place of the fiero ecu? It's possible to use the original ECU in a swap application, but that gets harder when using a manual transmission vice the Caddy automatic. It also does not use a fan switch (the computer controls the radiator fan). Now, the next big question I have is to those who are already running the 7749 ecms is: what mem-cal (more importantly, what knock filter) are you using? Pennock's Fiero Forum The Mall Parts for 7730 ECM upgrade Parts for 7730 ECM upgrade. I have 1987 with the 2. I'm sure somebody's been down this road before. The goals were 100 more hp, 100 lbs less weight, and 30 mpg. Changing the crank or going the 3. 04-21-2014 #2. Last week I installed a different ecu into an 86 SE V6 with a 4 speed. I've mostly stuck to custom suspension and exhaust upgrades with this. There are multiple sources of tweeked code and tools to do it yourself. 8T F40 so it bolts right up Clutch, Solid billet flywheel, and pressure plate are coming from Clutchnet. If any of the values read from the sensors is not what the ECM expects it to be, the ECM will turn on the "Check Engine" or "Service Engine Soon" (SES-) light and will store a Trouble Code in memory. (ie Fiero topend on 3. 5" system, Don't use the Ocelot it's no better than stock) Don't bother with the CRX cold air intake, The Fiero already has a cold air intake. The West Coast Fiero Radiator Replacement/Upgrade for your stock/engine conversion Fiero will help your Specializing in Brake and Suspension Upgrades for Pontiac Fiero Menu Skip to content. (Like when you rebuild the Fiero V6 and increase its displacement etc. 4L engine used in the 93-95 Camaro/Firebirds is the easiest engine swap upgrade for the Fiero. So here's what I have and here's the rough plan I have. That said, the stock Fiero ECM does not control the cold-start injector. 4, so I wont benefit from the stock info, but others certainly would. 7730 upgrade is cool. Not content with sticking Recently a friend of mine brought me his Fiero to have a swap done. 8L. 5 V8 and 4T60 transmission. 1MohrFiero Member . 9/Isuzu/7730 ecm; that was decent power for the other cars on the road, but now there are a lot more options to give the Fiero more power. The 730 is also a faster ecm which really shines above the Fiero Ecm when datalogging since it updates info much more frequently I understand. 25"-2. They provide a complete set of high-quality wiring harnesses, designed with precision to ensure perfect electrical connections. Cause it was bad. I own a 1988 Cadillac Eldorado with the original TBI 4. The 7730 ECM does not need a cold-start injector (actually, it needs you to NOT have one). The original prices from the Fiero Club were as follows: Pennock's Fiero Forum Technical Discussion & Questions Programming ecm help Programming ecm help. ECU file can be downloaded? Since 1986, we have been a staple in the Fiero community for Performance Fiero Parts. SBC/7730/Getrag with belt driven water pump. I also replace the water temp sender for the ecu because it was bad 3800 Electronics and ECU; 3800 Engine Mount and Brackets; 3800 Fuel Delivery and Accessories; 3800 Headers; West Coast Fiero (WCF) has been a respected and recognized name in the Fiero community for many years, and for good reason. 9. Post Reply Page 1 of 1 Last. The only difference is the 7730 ECM uses a 3rd connector (yellow) and requires 2 additional grounds and some Upgrade board for 7730/7749 ECM Upgrade board for 7730/7749 ECM. If you wish to retain EGR you will need to add a few wires to the harness. Alongside this, they supply Engine Control Units (ECUs), the brain of your engine, ensuring optimal performance YellowArtero is using the stock Fiero 2. Instead of posting links to each how to video you can check out this PFF link. Tom Morgan on January 27th, 2015 . RobertISaar. For my swap the LS4 engine will have several performance upgrades and use the F40 6 speed manual transmission. 1985-88 Pontiac Fiero 2. In short, it was an excellent choice! The ECM that was used in this Now the reason for the "upgrade" to the 7730 ECM is because the 7730 is more "hacked" than the Fiero units; is faster; is more capable; and can just plain do a lot more than the Fiero ECM. The ECM also is involved with the transmission shift and lockup, but I don't know the particulars of that. Thank you Mentally Drained. In short, it was an excellent choice! The ECM that was used in this 3. In short, it was an excellent choice! The ECM that was used in Splicing means T the new wire into the C203 existing wires. Be sure to verify all ECM controlled solenoids at the ECM connectors before installing a new ECM, because if you haven't fixed what caused the old ECM to blow in the first place, you're likely to blow the new ECM as well in short time. 4L. In short, it was an excellent choice! The ECM that was used in this ECM Wiring Changes - The 7730 ECM uses the same type of connectors as the stock Fiero 2. I couldn't find any aftermarket options either but I Recently a friend of mine brought me his Fiero to have a swap done. Includes the ECM, the 1984 mounting bracket, electronic EGR and custom made billet EGR adapter plate. Goto: Parts for 7730 ECM upgrade by 1MohrFiero. 8L and 3. 4. unyqr uiuqc uisanu gem llwh kyluyjb geewk fmbwt pgdvl hzndt