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Old 09-29-2021, 08:43 PM
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sastanley sastanley is offline
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capn Ken, I had trouble with the one closest to the exhaust side, and needed to overdrill and insert the oversized stud.
Here is what I did...I removed the manifold, and left the two good studs in place, and cut the new threads with a tap. You can almost eyeball it, but I got it level on the horizontal plane with the other studs a straight edge. I think I used Permatex #1, the kind that hardens, and after threading it in, I carefully put the manifold in place, loosely put nuts on the two good studs, and supported the manifold while the Permatex hardened...after a couple days, I put the nut on the repaired stud and it has held just fine for several years.
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"Twice Around" - '77 Catalina 30, #511 with original A-4 & MMI manifold.
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Last edited by sastanley; 09-29-2021 at 09:07 PM. Reason: fixing errors
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