23 to 18 spline what it takes and how good i'll be!

67Dart273 said
And this is somehow the fault of the gearbox at nearly 700 hp? In a heavier car, I'm guessing an E body but you didn't say?

Its a 70 Cuda conv , i weighed it last month at Englishtown dragway and it tipped the scale at 3378 lbs