mustang
Chris asked:


I’m purchasing my first car, and it’s a 1966 mustang with a straight 6. I want to swap the straight 6 for a 289 v8, but I need some help. I’m not really a gear head or anything so I need tips, links, books or even personal advice from you guys. I want to do the change on my own to save some cash and have the satisfaction of doing it myself. So any real advice will be greatly appreciated! Thanks for the help!

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5 Responses to “How do I swap a 1966 mustang straight 6 to a v8?”

  1. adam Says:

    There is a lot of work needed for this. Here is a great link that gives a lot of information on the subject.

    Just to start you would need new motor mounts, suspension, cooling, rear end. This is all pretty advanced stuff so If this is your first time really doing some major work I would get some help from some people that you trust.

    Hope this helped

  2. TSNE Says:

    If you don’t know how to do an engine swap i don’t recommend doing it on your own. Especially if its your first one.
    Find someone who can help
    Your dad?
    grandpa maybe.
    Anyway with that swap you might need new tranny
    need some rear end work.
    Google around find some sites that probably will help
    also if you change your mind and keep the 6 someone shared this site with me and ill share it with you
    they specialize in performance 6 engines
    you can make your six have some pretty good power

    Good luck

  3. LeAnne Says:

    If you’re intent on doing this, I’m still going to try and talk you out of it.

    The V8 has different spindles and front end components, an 8″ differential with heavier 5-lug axles, larger brakes, heavier rated springs, etc….etc……..

    If you really want a V8, buy this six if it’s a good deal and simply keep looking for a decent V8 – in the mean time, leave this one as it was built – especially if the drive train is original..

  4. SVOMAN Says:

    This is a hard swap to do because you have to replace everything mechanical on the car, that means engine, bell housing, clutch, pivots, transmission, driveshaft, rearend, and all the front end mechanicals, springs, shocks, spindles, wheelbearings, hubs, brakes…you getting the picture? the V8 was a really good buy in 65 because you got all these upgrades for the price of a V8..

    However, If you are going to resto-rod it with a modern drive train, 5.0, 5 speed, and disc brakes anyway, then go for it..

  5. NATHANIEL! Says:

    why would you swap out something you don’t know how to fix?! why dont you google it.

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