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bigger tires and the best gears

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by PineyPower, Sep 25, 2001.

  1. PineyPower

    PineyPower Registered Member

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    Location:
    New Jeresy out in the pine barrens
    Is 2.73 gears ok for a set of 35in tires???
     
  2. hammer

    hammer 1/2 ton status

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    It maybe a slow start but good on gas. I have 32" with stock gears and hate it
     
  3. BorregoK5

    BorregoK5 1/2 ton status

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    I'm running 307's with 33's and its slow off the start. The biggest gripe is that at freeway speeds it sits between 2nd and 3rd on my th350 trans with a stock stall converter and heats up the tranny fluid. 33's a 356's might be a better combo.

    What, Me Worry?
    <a target="_blank" href=http://www.echobit.com:81/k5/> The 'BEFORE' pictures</a>
     
  4. HarryH3

    HarryH3 1 ton status Author

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    That setup will work OK if you always drive down very steep hills. [​IMG] Getting to the top of the hills will not be much fun though. [​IMG] 2.73 is pretty far away from the optimum 4.11(without an overdrive trans) or 4.56 (with an overdrive trans) gears with those 35's.

    <font color=black>HarryH3 - '75 K5</font color=black>
    <a target="_blank" href=http://www.angelfire.com/super/ThunderTruck>www.angelfire.com/super/ThunderTruck</a>
    It's a great day to be alive...
     
  5. Rockjunkies

    Rockjunkies 1/2 ton status

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    Yeah, it would be a slow start, but it would be terrible on gas. The motor would alway's be lugging at a low rpm. The engine will run hot, and the timing would have to be retarded.

    Keep it simple
     
  6. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    NO you should have atleast 4:11's with 35in tires 4:56's would be better and if you have a 700r4 4:88's would be best. if you runn2:73's with 35's you will over work the tranny and motor + you would have to have one hell of a motor to climb anything lol

    wheeling videoshttp://community.webshots.com/user/ssmith6333
     

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