Weird. The crack would have tp be all the way into the valve seat to create comp. loss.
I'm thinking not likely repairable but obviously a teardown is in order-sorry.
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Mark
www.exotechpower.com
1981 Targa-messed with. 91 C2 supercharged track rat
Radical Prosport-irritates the GT3 guys
40 years of rebuilding services
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