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-   -   97 LT1 Pcm in 95? (https://www.camaroz28.com/forums/computer-diagnostics-tuning-36/97-lt1-pcm-95-a-886112/)

ArcticTA95 10-26-2017 04:41 PM

97 LT1 Pcm in 95?
 
I had a 97 TA that I took the cam and supporting mods out of and put it into a 95 TA. Can I use the pcm out of the 97 (that is already tuned for the cam) in my 95?

Injuneer 10-26-2017 08:57 PM

Re: 97 LT1 Pcm in 95?
 
The 97 PCM will work with the 95 engine. You will have unused connections that will produce codes, unless they are tuned out - after-cat O2 sensors, crankshaft position sensor, EVAP vacuum detection switch come to mind. The 97 PCM will require you to install a (100Kohm) 96/97 knock sensor in the 95 (which has a 4.4Kohm sensor).

4th Gen LT1 F-body Tech Articles

May be some issues with wiring the DLC connector - not sure.

http://shbox.com/1/DLC_wiring.jpg

What the 97 PCM is not compatible with, if your 95 has an auto trans, is the 95 version of the 4L60E. While both use a pulse width modulated converter lockup, the internal components are not compatible.

4L60E year differences and interchanges.

Good chart of year-to-year differences from Shoebox, who also supplied the first two links above:

http://shbox.com/1/4th_gen_f-body_ye...onversions.pdf

ArcticTA95 10-26-2017 09:02 PM

Re: 97 LT1 Pcm in 95?
 
Thanks!


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