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Hp and large tires

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by fr8train, Nov 7, 2000.

  1. fr8train

    fr8train 1/2 ton status

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    What kind of power is needed to move large meats, 36"-up? I always figured it would be somewhere in the 325hp+ range. Is this the bear bones or a good medium? I know torque has a deal to do in it. I was looking at RPM range from 1700-3800.

    "Lord have mercy on my next thirty years"
     
  2. Blazer79

    Blazer79 1/2 ton status

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    I think the important element here is what gears you have. Even with a 400hp engine you won't get much if you have 3.07 gears and 38" tires. Check out the gear calculator at http://www.4lo.com

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  3. TX Mudder

    TX Mudder 1/2 ton status

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    Horsepower is for highway driving.
    Torque is where it's at.
    Horsepower is the ability to do work - torque is how fast it is able to do that work.
    But it's stil a good question. How much engine do you really need for X-size tires.
    I want to build a 383 with my 3.73 gears and 36's. I think it will be ok. Anyone got an opinion? I'm guessing 400 ft-lbs and 300 horsies.
    -- Mike
    -- Mike
     

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