just finished taking the manual 6 speed out of my year 2001 camaro SS. i put in a custom built turbo 400 trans with a manual valve body and B&M mega shifter. currently i am installing afr 205 heads, comp roller cam, hooker headers, etc, etc. anyway, after all thats done i will be putting in a strange 12 bolt with 3.73 gears and hookin up the nitrous. should run 11 flat on the stock LS1 bottom end.