hi dave,ihad a 511 b1 sheetmetal tunnelram two 1050 carbs the motor made over 900 estimated i ran a 7.81@176 and 5.08 . the wheelbase is 100 and i hav e a lenco with a clutch.the new motor ia a best machine 588 pso it makes 1215 and 907 torque.i am putting the car back togeather it will be out next season.i am putting electric shocks in it,i had a new wing made with a tall wickerbill.it is a wild ride with the clutch it spins thetires on the gear changes. later johnny