LS1 owner times
I have a 99 Trans Am auto, ramair with some mods. Stock I went
[email protected]. Most of the guys I Know went 13.2-13.5 with stick or auto on street tires. I added a lid and catback and went 13.1's@105. With a converter and headers/y-pipe I went 12.4's@107 spinning Nitto DR's to a...