SILICONE FOR CRACKED EXHAUST MANIFOLDS? Does it hold and Why do manifolds crack

On Amazon:
*PERMATEX THE RIGHT STUFF: https://amzn.to/2XXsJLY
*SIERRA MANIFOLD FOR 4.3L MERCRUISER: https://amzn.to/2AiXQ9Z

Will the Right Stuff silicone hold up to HUGE cracks in the water jackets of an exhaust manifold on your boat? This video answers that question along with the reason manifolds can still crack over the winter, even if you "drained" them. Yes I know this is a super ghetto repair and you should only do something like this in an emergency or for temporary usage.

*I said in this video that i put 100hrs on the boat this season, but after checking my meter it was actually on 62hrs. (seemed like over a 100 to me! lol) But either way, this video is proof that "the right stuff" silicone can be used for temporary/emergency repairs. After working out the rest of the Kinks on the boat and making sure she didn't have any other major issues I'm very happy to have put new manifolds on finally. `

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