Resto book I read said that the old seats are soft, but if it ran on leaded for any length of time, the lead is absorbed into the seat and provides lubrication for a long time. If you rebuild the head or use an NOS head with no milage, get the seats replaced with hardened ones.
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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