1988 V20 steplift/305 chevy, mercruiser drive.

[THEFERMANATOR]

Originally Posted by brisboats

Mercruiser put the alpha one behind the 454 for a time and it was a disaster. The torque of the big block would wipe the upper gearset in hard use. The alpha is good for about 300hp and you cannot run it like an offshore powerboat when you have a hot smallblock even with a drive shower and extra reservoir for the fluid. Car hot rod modifications do not really work all the time for boats, your rpm range is to high.

Brian

And that 454 ALPHA had a custom set of 1.36:1 geras in it built just for the extra torque and it BOMBED!