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Rebuilding my 350 in my 91 suburban t.b.i would like some pointers.

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by Justin S, Nov 14, 2011.

  1. Justin S

    Justin S New Member

    My truck is named the gutless wonder and I need some pointers on what to put in it that will not hurt the gas mileage due to the fact that I hardly have any as is. I would like a better cam for off road that will help torque but not hurt the mpg's. If possible. It has 135000 miles on it and Im thinking it needs an overhaul and it would like to make it have more power. Im not looking for a ten second truck I want a good highway and offroad. Help if you can

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