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I do not run a gasket in my collectors at all. Never had an audible leak and I never blow out gaskets. I do like Percy’s gaskets though. I run them between the header and the cylinder head.

I have used bolts and studs. both worked fine. Preferred method in my opinion is studs as you are assured that 100 percent of the threads are engaged. If I remember correctly the factory exhaust threads were corse thread into the head and fine thread where the nut spins on on. Half the...

I have a 1967 Dodge dart that has had several different exhaust systems over the years. What is your long term goal? It used to be fairly inexpensive to go to local exhaust shop and have them build the exhaust from the manifolds back. Back in the day I would just bolt on a set of turbo...