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Old 07-27-2009, 06:06 PM
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thatsmrmastercraft thatsmrmastercraft is offline
MC Master Poster
Join Date: Sep 2008
Boat: 1977 Stars & Stripes
Location: St. Paul, MN
Posts: 16,814
Exhaust manifold cooling hose routing

My '77 Stars & Stripes has been repowered with a 1976 Mercruiser 302 Ford. The original 351 was left over winter full of water and became a mooring block. The repowered engine had the original Mastercraft exhaust manifolds on it until today when I discovered that they are the source of the water getting into the oil. I obtained the exhaust manifolds that came with the 302 from the previous owner. They are from a Skiffcraft cuddy cabin (I believe this is an I/O). The exhaust hose will fit with little modification and the front cooling line will fit without problem. My question is there are two hose fittings on the exhaust riser elbow. I have nothing to connect to them. Does anyone know what they are supposed to be connected to? Are they I/O specific and not used on an inboard?
Attached Images

Two Chrome 10 hole wheels with Kenda Loadstar radials.
Mounted, balanced & delivered.
With ST205/75R14..........$309
With ST215/75R14..........$346

CARBURETOR REBUILDING - $199 Parts, labor & return shipping included
Holley Marine 4160 Freshly Rebuilt $349 - Delivered (no core charge)

Originally Posted by Bouyhead View Post
Installed my carb that was rebuilt by thatsmrmastsercraft, Thanks Peter!! Hot or cold this boat starts and runs like it fuel injected.
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