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Forum: Do It Yourself, Boating on a Budget

06-05-2015, 08:03 PM

Replies: 10

Water in 5.7 mercruiser

Views: 15,841

Posted By Tony242

My manifolds are salt water cooled and the engine...

My manifolds are salt water cooled and the engine is closed cooling with a heat exchanger. Manifolds are water encased tubular stainless headers with no gaskets apart from the gasket between the head...

Forum: Do It Yourself, Boating on a Budget

06-05-2015, 03:22 PM

Replies: 10

Water in 5.7 mercruiser

Views: 15,841

Posted By Tony242

I use red CAT coolant but I was so sure the water...

I use red CAT coolant but I was so sure the water tasted salty. Looks like crack testing the heads when I get home

Forum: Do It Yourself, Boating on a Budget

06-05-2015, 02:49 PM

Replies: 10

Water in 5.7 mercruiser

Views: 15,841

Posted By Tony242

The cause of the problem 18 months ago was a...

The cause of the problem 18 months ago was a leaking riser. I didn't pick it up and the boat sat for a couple of weeks with water in the cylinders. The engine had a full rebuild and I fitted full...

Forum: Do It Yourself, Boating on a Budget

06-04-2015, 11:03 PM

Replies: 10

Water in 5.7 mercruiser

Views: 15,841

Posted By Tony242

Water in 5.7 mercruiser

Hi Guys
Im a new member and this id my first post so be gentle

I have a 1985 Formula 242sf with a 5.7 mercruiser. I was out on Sunday just cruising a reef at about 1,500 to 1,750 revs when the...

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