Packard Forum Index » Pre-War (1899-1942)

Hi all, I am working on this 1941 356 for a customer and have run into the valve tappet oil regulator valves missing. I see in the service bulletin about an updated style, changing from the jiggle pin, to the spring loaded piston style.

Quick searching in here shows that they are not available/reproduced. What is the norm? Put in the freeze plug style plugs like the later engines with the hole drilled in it?


I've attached the service bulletins relating to both topics.

Attach file:

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