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Old 09-19-2020, 11:37 AM   #12
GB SISSON
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Join Date: Jan 2014
Location: Orcas Island Washington
Posts: 4,942
Default Re: Valve seats. How to remove?

What am I missing here? Doesn't heating a ring shaped object make it bigger around, not smaller? I'd like to change out an exhaust valve seat in an 8ba block. The seat in question has a bunch of punch marks around it to make it tighter fitting in the block. It is quite apparent that it was done and then run that way with no ill effects, but??? I have mig and oxy/aceteylene. I think I will get a photo of what I'm dealing with. Somewhere I have an envelope with 4 slightly oversized seats.
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1947 Tonner Pickup (red) mostly stock with exception of a cummins 6at turbo diesel, 1946 Tonner Pickup (green) with 226 cu in 6 cyl flathead, 1979 Toyota landcruiser wagon, completely encased in 1947 Ford Jailbar sheet metal. Ok, cornbinder rear fenders..... 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
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