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

EFI 24X LS1 PCM for LT1 question

Old 07-13-2011, 04:24 PM
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Default EFI 24X LS1 PCM for LT1 question

I have a few questions regarding this new LS1 style setup.

#1 I have a 1996 Caprice 9C1 and when I go to get my emissions done they will think I have the stock LT1 PCM and it won't read correctly and I would fail, so how are people doing this with 96+ emission vehicles?

#2 Also I hear the tuning capabilities with the LS1 PCM are far better then the LT1, does this mean you can tune the PCM yourself and not have to send out your ole junk LT1 PCM to get it flashed for the specs you want?
Old 07-13-2011, 06:01 PM
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From my understanding with the '96 up stuff they just hook up the scanner and check for codes. You get a good tuner that knows what they are doing and they can delete every extra bullshit code out of the LS PCM.

Yes you can Tune the LS PCM, I use HP Tuners & my laptop to tune my car.


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