Originally Posted by Justhorsenround
Wish you had mentioned the bubbles earlier. Classic indicator of a blown head gasket. Just my 2 cents.
You are correct about listing all symptoms in one place, but this has been a multi-post discussion (separated by trying different "solutions").

Bubbling was reported early in this multi-part, multi-"solution" saga.

Keep at it Mark and Joe.

Tim
1954Advance-Design.com
1954 3106 Carryall Suburban
1954 3104 5-window pickup w/Hydra-Matic
The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.