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01-26-2020, 10:56 PM | #21 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: Missing Valve seat
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01-27-2020, 12:05 AM | #22 |
Senior Member
Join Date: Oct 2015
Location: Bay City Michigan
Posts: 1,050
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Re: Missing Valve seat
I have a very late 1940 diamond block it has just exhaust hardened seats. when I put new valves in the hardened seats were pretty much a drop in. the intakes needed about .030 of the stems to fit right. im guessing the seats were worked in from many lappings.
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01-27-2020, 12:32 AM | #23 |
Senior Member
Join Date: May 2010
Location: Fountain Valley, Calif.
Posts: 937
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Re: Missing Valve seat
I also have a diamond A block with standard factory seats.....I keep hearing they were hardened, but not true in many cases....
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