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Thread: need help motor swaping

  1. #1
    ridin dirty on 33's 91sdimeblazer's Avatar
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    need help motor swaping

    ok so i have a 1991 s10 blazer that has a 4.3 tbi that has a bad bottom end but good tranny 700r4 and i have a 95 s10blazer that has a 4.3 cpi in it that is good but tranny is bad 4l60e

    my question is can i take the block from the 95 n put the tbi intake on it will it bolt up to the block

    so i need to know if i can run a 95 block with the 95 heads and 91 acc bracket and intake and a 700r4
    I made my firewall tubs outta a Honda hood DAMN RICERS LOL

    95 blazer 4dr lowered 5'' on 16'' trans am rims

    91 gmc jimmy 4dr lifted 5" on 33*12.50 dunlops

    shaved 4 door love

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  2. #2
    Banned
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    hmmm, im rusty on cpi stuff, dont know if they have the same bolt pattern as a tbi does or not, but yes, swap your engines, worst case senerio you may have to swap the tbi heads onto your new engine (which i would do anyways so your tune is still correct.)


    89' S10 blazer 4wd: 355, 650 dp, rpm intake, comp 282 roller cam, modified vortecs, T56 Six speed, 8.8 ls rear, headers, x-pipe, spintech pro street mufflers, and......AC

    Blazer burnout video - http://www.youtube.com/watch?v=sP7iLypoDI4

  3. #3
    Zombie Killer 6SpeedBlazer's Avatar
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    Quote Originally Posted by 91sdimeblazer View Post
    ok so i have a 1991 s10 blazer that has a 4.3 tbi that has a bad bottom end but good tranny 700r4 and i have a 95 s10blazer that has a 4.3 cpi in it that is good but tranny is bad 4l60e

    my question is can i take the block from the 95 n put the tbi intake on it will it bolt up to the block

    so i need to know if i can run a 95 block with the 95 heads and 91 acc bracket and intake and a 700r4
    yes all the engine stuff will interchange

  4. #4
    ridin dirty on 33's 91sdimeblazer's Avatar
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    thank u both i just wanted to be sure before i do anything

    do u guys think i will have any more hp then a reg tbi since i will have the vortec heads and block or am i gonna still have round 160 still
    I made my firewall tubs outta a Honda hood DAMN RICERS LOL

    95 blazer 4dr lowered 5'' on 16'' trans am rims

    91 gmc jimmy 4dr lifted 5" on 33*12.50 dunlops

    shaved 4 door love

    Quote Originally Posted by Superbee View Post
    monkeys fly out my butt.

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