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djms
July 4th, 2009, 09:02 AM
I made a tune for a friends 5.3 but it spark knocks and I need help trying to find how much to change, can anyone take a look? Thanks
chevy052500hd
July 4th, 2009, 09:51 AM
when does it spark knock? Post up your tune someone will be able to help ya also list what done to the engine.
GAMEOVER
July 4th, 2009, 05:27 PM
Post up the tune & a data log showing the spark knock...