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Old 05-26-2010, 11:15 PM   #3
clinebarger
Senior Member
 
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: 08 silverado + ZEX

Quote:
Originally Posted by wayfastwhitey View Post
so if the zex manual says retard the timing on the truck four degrees. the hand held tuner for this truck cant do that. what should i do? should i just change the plugs to a range cooler and tune it to premium fuel and keep premium in it and run it or what? it is a 75 shot we picked up for $100 plus $20 for delivery on craigslist
Is this the same truck that was/is blowing transmissions? DO NOT use Nitrous while in 3rd or 4th gear YOU WILL burn up the transmission again. Nitrous is too much shock for a 4L60Es 3-4 clutch pack.
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