Finally got a chance to go to the track with my #44 Multec injectors and my LS-1 edit tune. I had the timing at a very conservative level and dialed in the IFR about a month ago and everything seemed to be running well. My previous best was 13.11@100 with stock aux whipple injectors. The air was great at MIR last night(55 and barometer above 30) and the track was hooking sufficiently for good #'s. Here is the breakdown of my best pass:
60'-1.801
330'-5.252
1/8-8.191@83.06
1000'-10.776
1/4-12.987@101.71

I was amazed when I picked up my time slip and so was everyone else at the track. This run was with about 9psi(3 1/8") pulley and 100 octane to make sure it doesn't detonate. I believe that I can go faster with a little more timing and getting the fueling perfect. I also have a 2 7/8" pulley that I haven't used yet which should be around 11 psi.

This is in a RC or a Tahoe? Great numbers either way!

What kind of air / fuel you running?

Congrats, great times. :judge: and more to come... :)

My Tahoe is gone and these times were in my '00 RCSS pickup. I don't know the exact A/F ratio but I had no knock and the 02's were in the .890-.910 range the entire run.

Ha, I was thinking it was in your old Tahoe as well. Its impressive in a truck, but I was going to be amazed at your tahoe jumping into the 12s. As I recall, it had just dipped into the 13s.

Welcome to the 12s.

What kinda mods did you have when you were in the 13's?
Where is the best place to get pullies?

With exactly the same Whipple supercharger on my '01 Tahoe my best e.t. was 13.93@97.4 with a 2.04 60'. This was with all of the Whipple craptronics, stock PCM tuning, same pulley (3 1/8") and 100 octane. The Tahoe weighed almost exactly 1000 lbs more than my pickup. I purchased the pulley directly from Whipple as I believe that this is the only place you can get them for the Whipple unless you find them in the classified section or on Ebay.