97 LT1 Pcm in 95? - CamaroZ28.Com Message Board


Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

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Old 10-26-2017, 04:41 PM   #1  
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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?
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Old 10-26-2017, 08:57 PM   #2  
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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
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Last edited by Injuneer; 10-26-2017 at 09:02 PM.
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Old 10-26-2017, 09:02 PM   #3  
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Re: 97 LT1 Pcm in 95?

Thanks!
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