I have a 97 Z28 6spd still has the OBD2 PCM in and I am getting lots of false knock (already confirmed this), and would like to desensitize so I get as little knock retard as possible. I have read up on some info regarding this including a how to section on project transam.com which was hard to understand and only listed this for 93-95 LT1's. Does anyone have any info on how to do this to a 97 OBD2 car? or does the same method apply? If so can someone put this in easier to understand terms?
Thanks
JT

 

A lot of people replace the stock LT1 knock module (not knock sensor) with the LT4 version of the module. It's cheap enough (~$28 from GM Parts Direct) and is less sensitive.

The knock module is located inside the PCM on the OBD II cars.

Thomas.

 

Madz28.com he will help you out........

 

Ion "madZ28.com" did mine ....no complaints!!

 

I already have the LT4 knock module and PCMforLESS tuning. I am more referring to doing it myself using that resistor type method of the knock sensor wire. Is this possible on the OBD2 cars and if so can anyone explain this a little mroe clearly to me?
Thanks