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1970 C-10... What gears should I run with 37s?

Discussion in 'The Garage' started by juanblzer, Jul 29, 2004.

  1. juanblzer

    juanblzer 1/2 ton status

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    I am slowly starting to begin /forums/images/graemlins/grind.gif /forums/images/graemlins/screwy.gifmy Prerunner project on my Grandpa's old 1970 two wheel drive work truck. I plan on at least running 35's (hopefully 37s). The truck has a 12 bolt rear end and also has a decent 350sb and a t350 trans. I want to be able to run highway speeds without my RPMs being too high. Any opinions on the gears I should run?
     
  2. Poohbair

    Poohbair 1/2 ton status

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    I would say 4.10's or 4.56's... I would lean towards the 4.56's, but it depends on what you want your highway RPM's to do, and how healty your 350 is to turn 37's w/ 4.10's!
     
  3. juanblzer

    juanblzer 1/2 ton status

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    It's not that healthy... maybe 4.56s then.
     

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