Last week I replaced the cylinders on my engine with 4 Millenium cylinders. The exhaust gasket supplied with the new cylinders is the stamped metal gasket commonly used today replacing the copper-asbestos gasket previously used. The exhaust pipe was warped and rough causing a leak which pointed to the spark plug resulting in problems. The cure is to take the pipe to an automotive machine shop with the belt sander used to flatten cylinder heads. There should be enough metal to resurface the pipe once before you need to takke more drastic action. Some machine shops use a tool which requires that the cylinder be clamped to a table and a tool moved over it. They cannot help you but they will know who has the kind of equipment you need. If you feel that the surfacing treetment leaves the metal too thin then you have the choice of bying a new pipe for $230 or buying a new flange for a few dollars and having it welded on top of your existing flange and then having the assembly ground flat again. I have also heard of people using furnace cement as a gasket dressing but my inclination would be to try to make the assembly right in the first place. Good luck, Bob Condon
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