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Thread: 1964 Lesabre ENGINE SWAP.. WHAT ENGINE WILL DROP IN

  1. #1

    Smile 1964 Lesabre ENGINE SWAP.. WHAT ENGINE WILL DROP IN

    I have a 1964 lesabre ..it has the 300 ..I am having a overheating problem..replaced radiator with one from SUMMIT RACING....still overheating..I think the head gasket is probably blown.....I would like a little more HP in this car...just curious if I could simply drop a Chevy 350 I have in my garage into this car.......any problems with exhaust or tranny hookup ????..or any other unseen problems...and if there is aproblems ..what should I put in... it has the 300 CI and superturbine 300...thanks in advance

  2. #2
    Buick ( which is totally different from an SBC ) 350 or v6 turbo would be a straight drop in.
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  3. #3
    Chev engine won't mate to the ST300 trans. Also if both engines are stock you won't notice a hellofalot of difference in performance. Motor mounts are also different, I think.

  4. #4
    Starter motor on the sbc is on the opposite side of the block, you'll need to rewire. Consider putting a 401/425 with a ST400 trans in your LeSabre, that's what Buick did; except they called it a Wildcat.

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