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Different? Take a 340, bore it .060, destroke it back to a final 273, use superlight pistons, use roller cam, wind it to 9800, drop the clutch and hang on, and blow away all the other 273's.



Well since 273/318s are still in the JYs and the 340s have long ago disappeared, this is a great idea

I have a 65 block and heads in my garage begging to be put to use again.

One thing for Dogdays-

Wonder how a turbocharger would work?