You quote this list as the end all be all of 5.0s. I have never submitted my times but ran a best of 11.60@118 with the same mods except 3.31. I gained nothing nada zip with 3.73s. There are quite a few of us that aren't on this list running these numbers or faster. All the 3.73 did was make...
Most of us don't care to post up our numbers. My best with 3.73 was a 11.66 @116. With 3.15 was 11.60@116. I made about 40 passes with 3.73 I literally gained nothing except for lack of traction.
In my experience the 3.73 were a waste of time. The only reason we did it was my buddy owns a shop...
My 06 ran a whipple, 3650, 4.10,28" bias ply. Car would hook hard shifted to second pretty quick. I would not go shorter than a 28" tire. I trapped low 120s and finish near the top of fourth.