
Originally Posted by
Blown06
Awesome, what engine combo? That looks like a carb inlet hat. Is it an Ls based motor? If so, I sure hope it runs better than the F1 stuff over on pt.net. I haven't seen any of those 408/F1 combos post numbers faster than my 346/D1 combo. Whats up with that?
its a 408 with f1r, right now only seeing 12psi on a 3rd gear pull, i cant get traction in 2nd with drags, i cant speak for the other f1's but i'll let you have first shot at this one come feb 20.

Originally Posted by
STUNNA
yea, thats me last year, i was runing a 11.5:1 408, that was a all motor run. have the same motor now, but just swapped out pistons. and added the procharger..
Last edited by rgvsierra; 01-23-2010 at 12:53 AM.
2001 Sierra
HKE 408 H/C/I - 11.4 @ 117- old setup
HKE 408 Procharged F1R Cog @ 17psi - new setup