TBarCYa
Senior Chief Petty Officer
- Joined
- Apr 13, 2005
- Messages
- 781
The port side exhaust flange was leaking so now that it's out of the water, I started digging into it and found some interesting stuff.
First off, the port side flange is significantly smaller diameter than the starboard side. 3 1/2" on one and 3 1/8" OD on the other. The exhaust pipe is the same side on both and on the port side, it's a 3.5" ID rubber hose that slips over the exhaust pipe and was just clamped to the 3 1/8" flange. That to me seems to be a potential source of the leak.
Here's where it gets ever weirder. The hole in the transom is only 3 1/8" so it seems like the origianl flange size was 3 1/8" but the starboard side was changed to 3 1/2".
So my plan is to try to find a 3 1/2" OD flange for the port side, cut out the transom to the right size and replace the rubber hose. The problem is that everywhere I call tells me that they're either 3" or 4" and that 3 1/2" is an odd size so first question... Is 3.5" an odd size? Am I better off trying to find a 3.5-3.125" adapter and using the flange I have? It would be less work, but I'm pretty sure the exhaust should be the same size on both sides.
First off, the port side flange is significantly smaller diameter than the starboard side. 3 1/2" on one and 3 1/8" OD on the other. The exhaust pipe is the same side on both and on the port side, it's a 3.5" ID rubber hose that slips over the exhaust pipe and was just clamped to the 3 1/8" flange. That to me seems to be a potential source of the leak.
Here's where it gets ever weirder. The hole in the transom is only 3 1/8" so it seems like the origianl flange size was 3 1/8" but the starboard side was changed to 3 1/2".
So my plan is to try to find a 3 1/2" OD flange for the port side, cut out the transom to the right size and replace the rubber hose. The problem is that everywhere I call tells me that they're either 3" or 4" and that 3 1/2" is an odd size so first question... Is 3.5" an odd size? Am I better off trying to find a 3.5-3.125" adapter and using the flange I have? It would be less work, but I'm pretty sure the exhaust should be the same size on both sides.