Ford 302 exhaist leak sound

[Jakem]

I have developed what sounds like an exhaust leak however only when boat is in the water...not on muffs. All the gaskets and elbow gaskets have been replaced..any ideas

 

[Bondo]

Ayuh,.... At idle, run yer hand around all the exhaust gasket joints,....

If there's a leak, you'll know it, when ya find it,....

 

[kenny nunez]

Another way is to squirt some auto magic transmission fluid in the carburetor. If there is a exhaust leak you will see the smoke.