i was going through about 7,000 @ 130, at the same track its about 1 mph slower with an automatic 4.56 gear 29in tire. if it were a wedge i wouldn't be twisting it quite as hard.

http://youtu.be/HSUrUBZogDs

68 Dart GTS "HEMI" 10.30 @ 131 pump gas street car 3780#
69 Roadrunner 511 six pack 10.92 drive to track street car