2003 Chevy Silverado
Posted: Thu Feb 08, 2007 1:07 pm
I have a 2003 Chevy Silverado, 5.3l, intake, exhaust, headers, and no cats. Plus a new addition of the DIABLO and a 100 wet shot of nitrous. Before I start to squeez I wanted to know what I should set the timing at before I dyno this Saturday. Thanks alot!