Thread: Exhaust leak on manifold

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Originally Posted by MelloYello

I have had some success in "honing/milling/flattening" metal surfaces using the procedure in this video below. I know that it's not an exhaust manifold but I think you can see the principle that I am talking about. It's basically just gluing the proper grit abrasive to a flat board and using it across "all" surfaces. The hardest part will be keeping the manifold in place while you do this. Good Luck
https://www.youtube.com/watch?v=HyKN52HD6RU

Works great, been doin' that for years. Get your precision straightedge from Goodson....
GOODSON : 24" Precision Straight Edge : PSE-24

Also, particle board is flat, plywood is not.

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