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Discussion in 'The Garage' started by aknight_sa, Oct 25, 2005.

  1. aknight_sa

    aknight_sa 1/2 ton status

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    hi all,

    just about to finish an overhaul to my 350 engine (1981 GMC Jimmy) and want your suggestions to add more on-road/off-road performance to it..


    thanks
     
  2. theperfectgarage

    theperfectgarage 1/2 ton status

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    Tell us a little more about your rig ( tranny, gear's, tire size, carbed or efi etc. etc.) and it's intended use. Allow me to throw out a personal thought that may help you.... I love hotrods & modifying engines for perfomance, always will. BUT, in the off road world all the money I've spent on cams, carbs, headers, MSD's etc. I would have to say most if not all that cash would have been better spent on running gear improvments. I'm not saying dont beef up your engine I'm saying dont try & build power when you really should change your gear ratio first. Just my opinion from my experience. Give us your ???'s This forum is awesome, your in good hands.
     
  3. aknight_sa

    aknight_sa 1/2 ton status

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    i dont know much about the specs it has, but the mechanic told me that everything in it is its standard parts...
    the only i noticed was front suspension changed to Gabrial..

    it has the old big carb on the engine
    i will get the size of the tires soon (rims are size 15)...
    auto gear (how can i find the ratios?)

    my main use of the car is offroad... specially in the desert!!

    here are a couple of pics

    first pic

    another:

    second pic
     
    Last edited: Oct 26, 2005
  4. aknight_sa

    aknight_sa 1/2 ton status

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    the sizes on the tires are as follows

    10, 15, 109

    do i need larger tires for better offroad performance?
     
  5. MrArmyAnt

    MrArmyAnt 1/2 ton status

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    Yes. Most yes. Tires are the only thing that actually touches the ground. Well supposed to anyway...
     
  6. aknight_sa

    aknight_sa 1/2 ton status

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    what about the gear type/size??

    also, is there any good suspension that will give me a smooth drive onroad and is good for offroad?
     

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