Quote:
Originally posted by bob barnes
...............................I would think that this is more important than worrying about corrosion of the small copper base gasket............................................ ...
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The title of this thread is Cylinder base sealing.
Dow 730 looks like a great product for sealing gas tanks, although I would generally choose a better repair.
The next time a question about a half a** fuel tank repair arises, I'll remember this posting.
The problem with RTV in general is that it beads on both sides of the material you are sealing (squeeze out). That bead can break loose (with as little as 15 psi according to Dow) and travel through the engine clogging vital oiling holes.
That's a risk I'm not willing to take when products that doesn't pose that risk are available. Loyalty to habits are understandable but progress is quite often measured in small steps.
It's your engine , you get to choose.