LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Will I need a PCM tune?

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Old Jan 28, 2006 | 01:03 PM
  #16  
1racerdude's Avatar
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From: LA (lower Alabama)
Re: Will I need a PCM tune?

Originally Posted by 1BadZ95
Whats the LT4 Knock Module?
The modual is a waste of money. I have never had it fix anything after cam and headers. If ya get a tune have them fix it and if it's still pulling timing put it on a switch with the resistor on one side. Ya can turn it on for hot days and turn it off for racing IF repeat IF ya have false knock.(and ya will have)
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