Drag racing is hard on driveline parts, especially with a 4 speed. Why waste time and money on anything less than the strongest parts for the application? I would switch to something where you can get pro gears like a 60 or a 9, and be done with it. It's more $ now, but cheaper in the long run.

[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
"Wise men talk because they have something to say; fools because they have to say something. ~ Plato"