I have a chevelle that has run a best of a 11.49@118. The car weighs about 3650 with driver and is traction limited to a 1.77 60ft. At the Car Craft show in St.paul Mn. The car made 364hp at 6000 and 394lbft at 4200. The stall convertor and auto trans really seem to screw up the #s. And the add 20% for the drivetrain loss is b.s. There was a bunch of guys there with their engine dyno sheets and with a auto trans the losses were more like 38-39% and the manuals 20-22%. Another friend has a 351 to a 68 mustang that will be in the nov. issue of car craft in the dyno proven combos article. The car has a four speed and made 330 hp to the wheels and last week ran a 12.70@108 on street tires and through the mufflers just like it was on the dyno.
|