Quote:

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My 100% stock 8 3/4 went best of 1.50 60ft in a 3700lb car.

I took the axles out and they were all twisted up.


Also, I tried (well accidentally tried) to leave REAL hard on it the last time out.

Sheared the pinion off, but the stock axles survived.


IMG_20130823_200437_896-1 by wright2305, on Flickr

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That makes me nervous. My best 60 is a 1.50 as I average from 1.50 to 1.53. I forgot I do have a Detroit Locker in my 8-3/4 but all the rest is stock including the axles.
I will say I broke parts in an 8-3/4 with an 11.90 Dart that was a 340 with a 4-speed and I did launch it hard. I would tach it up to about 5500 and then floor it as I let the clutch out and it broke a ring and pinion and a few U-joints and twisted a driveshaft. My sons Dart has run 11.40's with a stock 8-3/4 with a 727 and neither his Dart or my 63 have broke our 8-3/4's even though both are alot faster then my old 4-speed Dart. But both our cars are auto's which are alot easier on the drivetrain. Ron