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3400 lb Duster with driver, 3:91 gears, 315x60x15 ET Street Radails, 10:34 ET at 128.6 mph. I have used 3:73, 4:10 and the 3:91 in the same car with almost identicle results The motor is 518 C.I. pump gas with some good parts so that can make a difference, 700+ hp and 740+ ft lbs torque last time on the engine dyno



like cab i just switched to M/T ET streets 295-65-15 though. with 4.10 gear i was using M/T 28/10.5 slicks. 1.42 60' 4,000 lb car&dr.