Quote:
Originally Posted by PSI
Done this and it works well, the only downside is the setup time for machining. Until we discovered even this wasn't necessary.
We stopped using gaskets on the drift cars a couple of years ago, and stopped having problems too. No paste either. Just flat mating faces, and most importantly, black cap screws in place of studs - less stretch.
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Try the paste mate, your turbo supplier got me onto it

as NOTHING is ever perfectly flat, I know being a machinist by trade
p.s. he is my supplier now, real top bloke!
p.p.s G8 or higher BOLTS and nuts clamping the two flanges are the ONLY way to do it, you see this on OLD 1970's turbo cars too!