Question about 1986 Toyota Pickup 4WD

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Upgrading 4 to 6 cyclinders in '81 Toyota 4WD pickup?

Does anyone know if it would be possible to drop a 6 cyclinder engine into my 1981 Toyota 4WD pickup truck? I love the truck, it runs super well, has only 102K miles, is in great shape otherwise ... but the little 4 banger doesn't allow for much hauling or pull in the mtns with a full load. So: can I upgrade it to more power? if so, what kind of engine should i look to buy? and what's a ballpark on what it might cost me? thanks!

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  • yadayada
    yadayada May 11, 2010

    if it was an option then yes u can do it, since there was only one engine in your year u can't do it and pass smog.

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Yes it is possible, but very involved. Personally I would buy a donor Toyota pickup that has a V6 in it. U-hual had a lot of those. It was the really small box truck.

You will need everything basically, the harness, the computer, and anything specific to that engine. Would make it a whole lot easier if you had the donor truck right there.

Oh, and by the way, it is a very tight fit.

Posted on Apr 15, 2009

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