Thanks for the excellent info! I was a little unsure since it doesn't even try to overheat and the oil looked good. I don't know much about these gassers! Guess it's time to start tearing it apart...

Klaus

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‘84 300TD “Mountain Goat”
'62 300d Adenauer-350 Chevy - "Max"
'15 VW Passat TDI
'16 Dodge Ram 3500 - Cummins w/6-speed
'68 Mustang fastback
'55 T-bird
‘63 Studebaker Hawk