So a 9.84 @ 139.8 with 3742 lbs. according to Wallace is Your HP computed from your vehicle ET is 698.63 rear wheel HP and 776.26 flywheel HP. Your HP computed from your vehicle MPH is 705.94 rear wheel HP and 784.38 flywheel HP.
According to Lane, those specs are the old motor.
Quote: the motor is 14.7 with a C&S carb. AND YES the intake is a cast iron SCJ with extensive work. She made just over 825 hp @6200 and just over 800 lbs with iron exhaust manifolds and idles @ 900rpm all through 2 1/2 inch dual exhaust with mufflers. I'm pretty sure there's another 2 tenths when i get it all sorted. She went 1.523 60 on G60-15 polyglass tires, NO traction devices at all. Split mono leafs with stock suspension. Only adjustable front and rear shocks.