440 with 915 heads, shifting at 6 and going through at 7200 running a 10.38 @ 127 with 4.88's. I figure with the 4.30's it will go through at about 6400, what should the ET be at? I think i was well passed the peak power level of the 915's at 7200.

Last edited by Supersonic; 03/29/09 08:22 PM.