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Old 12-06-2018, 08:37 PM
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Al Schober Al Schober is offline
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I never used or felt the need for any joint compound for sealing. The joints seal themselves pretty quickly. Don't use galvanized pipe.
I've never done a T34. With my T30, the first nipple angled up a bit (same as the engine). Then there was a 45 elbow, going to a nipple that I wanted horizontal. When I was tightening the 45, I was tightening 2 joints, so there was plenty of give. Last joint was a 90 elbow to go vertical to the mixing can - tightening this elbow also snugged up two joints. Mixing can was never an issue, as I added a union to that leg (so I could get it in place).
Put it on your list for every 5 years. A broken exhaust can burn down the boat!
Replacing it at home on your time is a LOT cheaper than having TowBoat haul you to a yard, then paying the yard for the job!!!!!
Photo attached of exhaust blower - melted.
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