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Forum: Hot Heads Tech Talk

Forums->Hot Heads Tech Talk->Re: Rear Axle Gears

Re: Rear Axle Gears

Presuming that your 5 speed has an over drive I suggest that either 3:55 or 3:73 would be OK depending on what your driving habits are and weight of the car, tire size etc.
I live out in the country and run a 3:50 gear in a very light car with over drive and 3:91 in my heavy car, also overdrive.
A 3:73 might be a good compromise.
I might add that mine are both 392 Chryslers, and the trannies are the A-833 4 speed manual overdrives. Your 315? might not run as strong.
A higher ratio will put a strain on your light to light driving especially if your pick up weighs very much. 3:23s were to tall for my heavy car.
Fun stuff...
  user offline
on: Wed 23 of Dec, 2020 [17:46 UTC] reads: 225

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