In a message dated 3/14/2011 12:02:28 P.M. Eastern Daylight Time,
wrjjrs@aol.com writes:
Lynn, Do
you mean Belleville washers? Good idea but they may lose their
spring
after a few heat cycles.
Bill Jepson
Correct spelling.
I don't think the heat available will upset the heat treat. Anything bolted
to the aluminum stays pretty cool.
I used only GE tub and tile caulk 100% silicone for exhaust gaskets for 25
years without a failure. Even before I had EGT gages and was incinerating
mufflers the silicone never gave up.
Lynn E. Hanover