In S/ST I was between 71-7450 in the lites. When I ran my heap all out we shifted at 8300 but only had about 7700 in the lites. 4.10 gear 33x15 tire as well.
I tell ya call HP Performance. You might be surprised by what you hear......
"I am not ashamed to confess I am ignorant of what I do not know."
