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Thread: gear help
          
   
   

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  1. #16
    chevydrivin is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 55 belair: 68 Camaro: 69 F100: 51 M37's
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    Can you stand taller tires? 225 or 235's? this will let you get same MPH with lower RPMs.

  2. #17
    R Pope is offline CHR Member Visit my Photo Gallery
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    If one wheel was stationary, double the driveshaft turns and you have the ratio. Yours is 3.5, or whatever Chevy ratio is really close to that. There's a 3.23 and 3.08 gears available.Or an OD trans will work with what you have.

  3. #18
    TyphoonZR's Avatar
    TyphoonZR is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 86 S-15 Jimmy sb 400
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    Install a 700R4 and you will rev 30% less at any speed. SO you will rev 2100 rpm at 65 mph with the same tires you have now. Plus you will be able to roast the tires even more off the line. The 700 has a 3.06 first gear whereas the 350 tranny has a 2.56.
    Objects in my rear view mirror are a good thing unless,.... they have red and blue lights flashing.

  4. #19
    TyphoonZR's Avatar
    TyphoonZR is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 86 S-15 Jimmy sb 400
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    Quote Originally Posted by R Pope
    If one wheel was stationary, double the driveshaft turns and you have the ratio. Yours is 3.5, or whatever Chevy ratio is really close to that. There's a 3.23 and 3.08 gears available.Or an OD trans will work with what you have.
    My guess is that he has 3.42 gears. They were a common ratio.
    Objects in my rear view mirror are a good thing unless,.... they have red and blue lights flashing.

  5. #20
    hotroddaddy's Avatar
    hotroddaddy is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 53 Ford Panel truck/59 tbird/73 VW Thing
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    I was thinking about a 700, but then i figured i could find a whole rearend for cheaper

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