Inliners International Forums General Discussion Blown and Injected turbo 292 write up

Welded with mig 2-3 tacks per side on head with stock post.
Old style bolt in not welded or epoxied, could epoxy if you want just a little to seal.

The epoxy is a marine brand that the area head porter uses but can't remember the name, will try and find out for you, I know it's very expensive.