Thread: Planning to build a Marine 383 Stroker

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if you are making more qt you will not need hp any way and that is what get you up on plane you did not say if the prop was gas vented ss or a4 or 3 blade if it nothing hi rent i would try a bigger prop this will keep the rpms down and the more tq of the 383 will pull it up on plane with less rpm and more mph if to small on the prop you will over rpm and go no where

If u have all the motor specs?Someone could desk top dyno it and find the approx hp and tq .This would give you a good idea of what prop you would need.: With this info u can make a good choice!!!