hey erbody i have a 05' chevy crew cab with the 5.3L and i ran it at the track. I did a 16.4@86.3mi
i dunno if thats good or not but its completely bone stock...andi want to get in the 15.9 range which means i gotta lower my time by 5 tenths of a second...what can i do to achieve that sord of time..some quick mods
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