BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
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 94 95 96 lt1 interchange harness/pcm

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Posts : 2124
Join date : 2011-01-11
Age : 35
Location : Warren, MA

PostSubject: 94 95 96 lt1 interchange harness/pcm   Sun May 26, 2013 3:04 am

I have a 96 engine and 4l60e that I want to run as an obd1 (94/95) setup.
I also have a 94 harness and PCM.

I understand OBD ports, and knock sensors need swapping also. But is it as simple as that?
Will the PCM just ignore the CPS? what about transmission lock up?
I guess I'm doing all this to avoid tuning the PCM so I can add headers, delete cats, delete EGR, etc.
So if it's gonna end at getting a tune anyway I'm not gonna bother. Just seeing what I CAN do with what I do have.

Also possibly willing to trade a 96 lt1 for a big block chevy engine if anyone has one laying around. Any displacement 396, 402, 427, 454. Long block would be nice accessories not necessary.

Thinking about temporary 55 caddy drivetrain until I can restore the original frame and engine ($$$$)
Everyone says 472/500 but unless it's a 1970 or 71 why bother? Expensive to buy parts for to get big HP.
The lt1 would push her along fine (only a little less power than the stock 331) but I'd be more comfortable with a BBC pullin her.
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Posts : 222
Join date : 2012-09-22
Location : Western MA

PostSubject: Re: 94 95 96 lt1 interchange harness/pcm   Tue Jul 02, 2013 11:11 pm

Check out this thread; makes it sound pretty simple.

Did you end up using that motor?
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