82 Vette ECM substitute
#1
82 Vette ECM substitute
I was reading a SuperChevy article where they were able to replace the 82 ECM with a '90 Camaro ECM, so that it could be tune-able.
I also have a friend who has a '91 ECM, says it's out of a Camaro, and is willing to give it me free.
Attached pic is the S/N of the '91 ECM. Will this work or not as a substitute?
I thought it was worth asking....
I also have a friend who has a '91 ECM, says it's out of a Camaro, and is willing to give it me free.
Attached pic is the S/N of the '91 ECM. Will this work or not as a substitute?
I thought it was worth asking....
Last edited by htown81vette; 07-17-2017 at 02:20 PM.
#3
i am willing to splice and dice on the harness too. It has a 290 hp crate motor in it already so I don't think many changes will have much of an impact on value anyways...
Last edited by htown81vette; 07-17-2017 at 02:58 PM.
#4
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That's a TPI PCM. You need a TBI PCM. Basically, you have a split TBI on that engine -
each bore and injector is in a separate throttle body vs 2 in one throttle body.
The simplest one to work with comes from the 88-91 trucks. 1227747 is the service number. This one will pretty much wire right in.
A possible candidate for a more advanced one would be the 94-95 truck one with service number 16197427.
The one the article talked about was probably from a TBI F-body car, service number 1228746. Very similar to the 1227747 with the main difference being an IAT sensor.
HP Tuners will not handle anything pre-OBDII. But, there is a cheap (by donation) program called TunerPro that will allow you to tune it. Heck, you can even use an emulator and tune it real-time with the engine running.
each bore and injector is in a separate throttle body vs 2 in one throttle body.
The simplest one to work with comes from the 88-91 trucks. 1227747 is the service number. This one will pretty much wire right in.
A possible candidate for a more advanced one would be the 94-95 truck one with service number 16197427.
The one the article talked about was probably from a TBI F-body car, service number 1228746. Very similar to the 1227747 with the main difference being an IAT sensor.
HP Tuners will not handle anything pre-OBDII. But, there is a cheap (by donation) program called TunerPro that will allow you to tune it. Heck, you can even use an emulator and tune it real-time with the engine running.
Last edited by lionelhutz; 07-17-2017 at 03:07 PM.
The following 2 users liked this post by lionelhutz:
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#5
Le Mans Master
If your car is a 1982 and is still equipped with the crossfire injection system, you need to know that the major limiting factor in making additional power is the intake manifold.
Then again there is this...
http://www.eddiemotorsports.com/prod...old-msren-100/
Good luck... GUSTO
Then again there is this...
http://www.eddiemotorsports.com/prod...old-msren-100/
Good luck... GUSTO
#7
If your car is a 1982 and is still equipped with the crossfire injection system, you need to know that the major limiting factor in making additional power is the intake manifold.
Then again there is this...
http://www.eddiemotorsports.com/prod...old-msren-100/
Good luck... GUSTO
Then again there is this...
http://www.eddiemotorsports.com/prod...old-msren-100/
Good luck... GUSTO
#8
That's a TPI PCM. You need a TBI PCM. Basically, you have a split TBI on that engine -
each bore and injector is in a separate throttle body vs 2 in one throttle body.
The simplest one to work with comes from the 88-91 trucks. 1227747 is the service number. This one will pretty much wire right in.
A possible candidate for a more advanced one would be the 94-95 truck one with service number 16197427.
The one the article talked about was probably from a TBI F-body car, service number 1228746. Very similar to the 1227747 with the main difference being an IAT sensor.
HP Tuners will not handle anything pre-OBDII. But, there is a cheap (by donation) program called TunerPro that will allow you to tune it. Heck, you can even use an emulator and tune it real-time with the engine running.
each bore and injector is in a separate throttle body vs 2 in one throttle body.
The simplest one to work with comes from the 88-91 trucks. 1227747 is the service number. This one will pretty much wire right in.
A possible candidate for a more advanced one would be the 94-95 truck one with service number 16197427.
The one the article talked about was probably from a TBI F-body car, service number 1228746. Very similar to the 1227747 with the main difference being an IAT sensor.
HP Tuners will not handle anything pre-OBDII. But, there is a cheap (by donation) program called TunerPro that will allow you to tune it. Heck, you can even use an emulator and tune it real-time with the engine running.
http://www.superchevy.com/how-to/51218/
#9
Melting Slicks
This is pretty much what they say too in the superchevy article...thanks....
http://www.superchevy.com/how-to/51218/
http://www.superchevy.com/how-to/51218/
I have HAM boards available if you want one. Good luck with your mods and thank you for the Renegade support.
#11
Tech Contributor
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Honestly, I would use a 1227747, HAM board, Ostrich and EBL and call it a day. That way you don't have to spice/hack the harness, just plug it in. Send your ECM to http://www.dynamicefi.com/ and they will do the entire install of components for you.
I have HAM boards available if you want one. Good luck with your mods and thank you for the Renegade support.
I have HAM boards available if you want one. Good luck with your mods and thank you for the Renegade support.
Thanks for the info.
#12
Melting Slicks
The Ostrich is the Emulator and I can do Real Time (R/T) via TunerPro R/T on the fly and I also have the first version vs. Ostrich 2.0 which is the newest and much smaller unit. However, doing an on-the-fly ECM update... The motor usually doesn't like it while updating and will burble the motor for a few seconds. I do dyno tuning anyway, so on-the-fly isn't done anymore anyway.
You are correct about the 1228746 ECM, it has the IAT capability, but if you are not running an IAT or plan to, it's no better than the 7747. I run a 7747 currently, but had a 8746, but it died on me.
Last edited by Buccaneer; 07-17-2017 at 11:36 PM.
#13
Drifting
The simplest one to work with comes from the 88-91 trucks. 1227747 is the service number.
Good question, I want to keep this one fairly mild, looking at 350 to 380 hp tops. Maybe a cam change MAYBE heads but doubt it. This one is kinda a budget build. But I already have the tuning software and experience (tuning my 98 Firebird), but hptuners says it will tune all the way back to 1990.
i am willing to splice and dice on the harness too. It has a 290 hp crate motor in it already so I don't think many changes will have much of an impact on value anyways...
i am willing to splice and dice on the harness too. It has a 290 hp crate motor in it already so I don't think many changes will have much of an impact on value anyways...