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I will get a pic of the front of the chunk tonight. Reason I ask is that a bunch of years back I snapped a 741 off clean behind the yoke on the pinion shaft. I don't want that to happen again...

The only time I've seen a pinion gear broke like that was from a 4 wheeldrive offroad racer, he had the driveshaft to pinion gear angle all goofy I've drag raced the snout out of a 741 with 3.91 gears in my 1969 Dart GTS with a 440 and a 727 on slicks, it is tougher than the stock 489 chunks as far as I'm concerned

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)