I could use a 1974 slant six manifold heat control valve expert!

Cruiser, I checked my heat control valve today and the spring is in the same direction than yours.
The bended end of the spring rests on the right side of the pin.
A little bit hard to see on this bad picture, but the assembly is identical to yours.
HCV.jpg

Spring.jpg


Two clumsy homemade schemes to explain the heat control valve operating :

- Cold engine
HCV schema (cold engine).jpg

- Hot engine
HCV schema (hot engine).jpg

Hoping to have been helpful
François