Re: Broken 742

[Steve Charette <stevec@xxxxxxxxxxxxxxxxxxxx>]

Travis,

   You mention the race-grade gears - my understanding is that the race gears have a different metallurgy and finishing processes and are designed to survive the rigors of racing, but not stop and go street driving.  I had a 4.89 set years ago that didn't last long and  it was suggested to me that being the "race gears" that was what happened.  My cars have all been fairly heavy (even my A-Body is 3600 lbs with me in it) and can carry the front wheels, but have all been TorqueFlites.  No matter what you put in it, I'd make sure it's not the race gears.

   Gorgeous car, by the way... checked out Gary's link and the car is outstanding.

   Mike Creglow, what are you running in your '65, street or race gears?  That car is a beast... do you street drive it or is it a dedicated race car?

SC

On Tuesday, May 20, 2014 10:58:55 AM UTC-4, Travis Rice wrote:

      Forget about fuel economy, I'm getting 250 miles per Richmond ring gear. I've seen a lot of Mopar race cars with 8 3/4s under them, even some with stock axles but this one broke the first time I jumped on it with the new tires. For those of you with sticky tires, am I wasting my time with a 742 or should I go ahead and start scavenging for a DANA? 4 speed, 4:10, drag radials (occasionally), street car (usually). Glad I stuck a magnet in the diff reservoir which kept the broken teeth out of the chunk. Would appreciate some feedback. Thanks

Travis

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