I've slotted them and then I think I had gaskets that matched the turbo to use. Not like it's under any pressure or strain (unless you put it in that position).
Later
"If A equals success, then the formula is: A = X + Y + Z, X is work. Y is play. Z is keep your mouth shut." - Albert Einstein
When was the last time you *really* did something with your Z to call yourself a Z enthusiast?