Gen V Crankshaft

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11-16-2004 | 12:59 PM

still smoking

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From: cincinnati, ohio

Gen V Crankshaft

Can anyone tell me the difference in Mercruiser crank #429-811552 & 429-811551? Is one cast and one forged?

11-23-2004 | 10:26 PM

HARRISONMIRAGE

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From: HARRISON HOT SPRINGS B.C.

Re: Gen V Crankshaft

The 552 is forged from a magnum motor and the 551 is cast from a peanut port 330.If the crank is in good shape I would use it in a motor up 450 hp if balanced properly and the rpm's are kept under 5000.

11-23-2004 | 10:28 PM

HARRISONMIRAGE

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From: HARRISON HOT SPRINGS B.C.

Re: Gen V Crankshaft

Both from 7.4's

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