Offshoreonly.com - Reversion?

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

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- - Reversion? (https://www.offshoreonly.com/forums/general-q/142775-reversion.html)

DORaymond

10-16-2006 04:13 PM

Re: Reversion?

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Didn't Mercruiser have a problem with reversion on the 454 and 502's with stock camshaft and thru-hull exhaust (there is a sevice bulletin on this)? Their recommended solution for this is the exhaust resonators.

Still do not know if these work.

blue thunder

10-16-2006 05:37 PM

Re: Reversion?

Quote:

Originally Posted by BROWNIE

A tiny exhaust leak can increase the chances of reversion on one side only.

Do a leak test on number 7. You may have an exhaust valve problem as Brownie said.

BT :cool:

JimV	10-20-2006 09:47 PM

Re: Reversion?

Check the stainless tip that bolts to the cast iron riser. There should be a dam welded half way up. Iv' seen these rot out and cause the problem you are decribing

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