Rebuilding a Mericruiser 3.0

I'm rebuilding my 1990 Mericruiser 3.0 we use in salt water...is it necessary to disassemble the exhaust manifolds to see if they need replacing.

Re: Rebuilding a Mericruiser 3.0

No but wouldn't you feel better knowing that they are perfect?

Re: Rebuilding a Mericruiser 3.0

used in salt water??

probably junk already if not close to it

replace with a new manifold

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