Theres a grudge car in michigan that has stock susp 29" tire that 60'd 1.08 teamz Dave built it,that 0.8 off pro stock 6.50 cars.What im tryin to say is sometimes the 60 tells ya alot & sometimes it dont tell the truth especially w power adders....btw the car that 60ft 1.08 is NO where near a 6.50 or 7.30 pass.