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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

ECM question

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Old 06-07-2010, 05:34 PM
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Default ECM question
Will a 94 or 95 caprice ECM with an LT1 motor work with a 94 z28?

nobody on LTXtech has given me an answer yet and i cant find anything on google
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Old 06-07-2010, 05:46 PM
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NO they are year/make/model specific
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Old 06-07-2010, 06:14 PM
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well does anyone here, have a 94 z28 ECM/PCM for sale with an automatic tranny?
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Old 06-07-2010, 06:16 PM
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ECM = engine control module (93s only).
PCM = powertrain control module. (94+).

Just clearing up some acronyms.
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Old 06-07-2010, 06:31 PM
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geez im just getting pwned here haha

alright does anyone have a 94 z28 PCM for sale with an auto tranny..
well lets put it in civilian terms since i keep getting pwned.

Does anyone have a computer for a 94 z28 with an auto tranny. lol
i think mine is starting to bite the dust. Im not looking to spend $340 at GM
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Old 06-07-2010, 06:37 PM
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Originally Posted by RamAir95TA
ECM = engine control module (93s only).
PCM = powertrain control module. (94+).

Just clearing up some acronyms.
My ECM is better than your PCM.
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Old 06-07-2010, 06:49 PM
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Originally Posted by 93_Black_LT1
Will a 94 or 95 caprice ECM with an LT1 motor work with a 94 z28?

nobody on LTXtech has given me an answer yet and i cant find anything on google
Such a simple question and such wrong answers!

YES the Caprice PCMs will work it simply needs to be flashed with what you want in it.


Good luck
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Old 06-07-2010, 06:52 PM
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Originally Posted by boosted LT1
YES the Caprice PCMs will work it simply needs to be flashed with what you want in it.

Many think the 4.3 Caprice modules are useless and I have bought a few cheap.

Good luck
i've heard that it'll work the only real difference is that it has 2 knock sensors i read off of this page i found http://www.thirdgen.org/techboard/lt...amaro-ecu.html
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Old 06-07-2010, 06:53 PM
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and the caprice computer i bought had a 350 LT1 motor in it according to the owner
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Old 06-07-2010, 06:55 PM
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Originally Posted by boosted LT1
Such a simple question and such wrong answers!

YES the Caprice PCMs will work it simply needs to be flashed with what you want in it.
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Old 06-07-2010, 06:57 PM
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Originally Posted by 93_Black_LT1
i've heard that it'll work the only real difference is that it has 2 knock sensors i read off of this page i found http://www.thirdgen.org/techboard/lt...amaro-ecu.html
Yes the Caprice has two knock sensors in parallel (they are 2x impedance) resulting in the impedance being the same are the circuit.

You can buy tunercats and a cable and load it yourself or get someone to load it for you

Good luck
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Old 06-07-2010, 07:00 PM
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I'm running a pcm from a Caprice. It will work.
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Old 06-07-2010, 07:14 PM
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Originally Posted by 1badzee
I'm running a pcm from a Caprice. It will work.
is there anything special i need to fab up on the harness or can i just hook it right up and be on my way?
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Old 06-07-2010, 07:17 PM
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Originally Posted by 93_Black_LT1
is there anything special i need to fab up on the harness or can i just hook it right up and be on my way?
You need to have it flashed for your setup..
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Old 06-07-2010, 07:17 PM
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Originally Posted by 93_Black_LT1
is there anything special i need to fab up on the harness or can i just hook it right up and be on my way?
See posts #7 and #11 in this thread for your answer:

https://ls1tech.com/forums/lt1-lt4-m...-question.html
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Old 06-07-2010, 07:21 PM
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alright so i need to flash it to stock specs
how much do you guys think that'll run me?
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