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I guess I was assuming the heads were MW size. If they aren't MW size then that is a different problem.

A 447 with good MW heads and 15:1 compression will make tons of power if the valvetrain can handle the rpm. Even the 850 carb will make a bunch of power as long as the intake and heads are good.


I ageee to a point but really think more carb would produce more power. I can`t remember any of my motors NOT picking up power w/a bigger carb especially at those higher revs.


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