In a message dated 12/18/2006 11:25:18 PM US Mountain Standard Time, Wild8bill at aol.com writes: Block # T1215RG (the 1's may be capital i's?) Bill, that would be a 1965-67 95 hp w/PG. And it should have a harmonic damper and NOT a solid pulley. May i suggest you install a HD for good crankshaft insurance. Regards, Bob Helt