oh yeah...forgot to mention one important thing. i had an auto with 2.73 gears and a busted LSD. shortly after the intake/exhaust install, i went with a lsx 3.23 rear with a torsen diff...much better launching.

 

I hit a 13.80 @100 back in 2001 when i first got her and she was an auto...

 

stock my car only did 14.5, but i was a novice at driving then. With headers im now getting 13.5 @ 105/

when my car was stock i usually tried to shift at about 5400 which ended up being higher. There really isnt any reason to rev out an LT1 with stock manifolds... its choked out up top anyway.

 

Bone stock my car went consistent 13.7xx @ 99-100mph, added DR's and it went consistent 13.5xx @ 101-102xx and a best of 13.511 @ 101.49.

 

My 97 went 13.5-13.4 with Ss wheels, CAI, Tune, and front bumper support out. oh and muffler in stock location.

 

My 97 with CAI only went 13.9 @ 100.

 

My 94 Formula A4 bone stock w/3.23 and 4k miles went 13.79 @ 100.1 on stock radials and ran consistant low 13.80's all day.

My 94 Z28 M6 with 1.6rrs, Edelbrock shorties, 4.10 gears, DR's, CAI, TB Bypass, etc. went 13.10 @ 105.x with a 1.8 60'.