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Old 08-25-2013, 08:13 AM
Cloaked Cloaked is offline
MC Maniac
Join Date: Dec 2004
Boat: MasterCraft
Location: Kingston,TN USA
Posts: 4,884
Originally Posted by Greenwood87 View Post
Ok got new riser gaskets in, changed the oil, so I will be testing the engin today. I replace the bolts on the risers with grade 8 bolts, I know these are not stainless will they rust?
Those will be fine. I'd like to think you placed an anti-seize compound on all of your threaded and clamped connections.... Regardless, those Gr8 will be fine.

I am hard pressed to think a riser gasket could solve or could have created the problem. However if it does fix the problem, good for you. Those gaskets don't look bad. I have seen worse, by far. What stinks are the paper gaskets that have become available. Used to, one could find some much sturdier gaskets made from a graphite material.

If not, I'd go back and do a mag-particle test on the exhaust manifold. A visual inspection for cracks can often be insufficient. A MT is very simple to do if you look for someone that has the test equipment. Most engine shops or machine shops should have the equipment. Easy and inexpensive. However, your area for testing will be limited without pulling the manifolds. A small crack that takes a MT for inspection should not be big enough to allow the type of water intrusion that you have described.


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Originally Posted by Thrall View Post
..Some of you give a whole new meaning to the phrase "another @sshole with a Mastercraft."

RE: Thrall, Welcome to the club....


Last edited by Cloaked; 08-25-2013 at 08:27 AM.
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