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  1. J

    tps conversion

    I am in the process of building and installing a stroker engine in my 90 cherokee. I want to use a HO head and intake but i have been hearing that you have to modify the tps for the trans to shift. I've been looking at my old tps and it has six wires. 2 white, 2 blue, and 2 black. I assume that...
  2. J

    4.0l ho head to a non ho 4.0 block

    is it possible to put a 91-later HO head on a 90 non HO block using the 90' intake and exhaust? If so would it be worth doing or would i need to swap manifolds to get any type of power increase?
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