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Another question is the sprag.... The overrunning clutch issue with the 727's is a big deal whenever you have a driveline issue such as a rear end failure. I wonder if I should check it out??? When this thing snapped it did not seem to put a load on, or shock the driveline at all. I just hit 2nd gear and pretty much coasted to the turnoff....... This engine is not a real powerhouse, maybe 430-440HP at the crank..... 1970 318 block .030 over, ported magnum heads 2.02 intakes, 4" crank forged pistons 9.7-1 C/R, Comp HE-275HL cam 231/237,1.6 roller rockers .565lift, hooker headers 1 3/4tube 3"collector and Torker 2 intake..... I think I may have gotten unlucky with a bad input shaft.....Now who has one for a 999 Lockup trans or do I have to scrounge around at the junky??? TBF



The trans should be completely disassembled and checked out .

It's not HP that breaks stuff it's the TORQUE .

If it were me I wouldn't waste another penny on that trans .