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

Greenfield.
On my unit ('39) there are gaskets on BOTH sides of the Sylphon thermostat. I agree with you that the 'receiving' flange on the rad is less-than, but I'm not sure I'd put silicone on there to seal it, as errant gobs can really cause havoc in cooling systems. (or any internal system) The outer cover gasket on mine looked good upon removal, but the 'back' one came off in pieces. I remade it out of some good quality gasket stock and will seal it with a light buttering of 'Form-a-Gasket'. It is a zero pressure system, but hot antifreeze sure can find a leak-path if not perfectly sealed. Chris.

Hey JWL,
You're right, the 245 six can take a conventional T-stat and I have one installed. As I mentioned in my #1 post, I can and would wire the shutters open, it's just that the Sylphon T-stat auto opening and closing system is such a cool feature, I'd like to keep it original and functioning. I'm pretty near the end of my season up here in Canada, so I have all winter to 'save up'!! Chris.

I'm surprised that someone hasn't made a circuit board to replace the alcohol. Using a therm transistor.. Then motor to operate shutters.

Or a solenoid..