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1929-30 Pontiac thermostat


aussiecowboy

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I use a modern 195 degree stat. Many years ago I found a washer (maybe out of a transmission or differential) that had the od of the original stat and an id that just allows the newer stat to slide in but not through. In fact if you have the original stat the flat part that goes between the thermostat housing and the outlet to the hose might be exactly the right size if you remove the bellows etc.

Good luck.

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  • 3 weeks later...

Absolutely it does.  This thermostat is rare because these are the only cars it fits.  Instead of being round and just fitting inside the housing it has an oval shaped base with two holes (for the mounting bolts) and is installed between the water outlet manifold and the water outlet elbow with a gasket on each side.  I have never seen one except for the original one that was in my car.

Edited by Guest (see edit history)
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Guest PetePontiac

Check with:

northwesternautosupply.com

 

samsparts1@yahoo.com

 

Location:

1101 S. Division

Grand Rapids, Mi. 49507

Phone 1-800-404-1078

 

  they have been around since 1946,,,,,parts of all makes and models.......

Edited by PetePontiac (see edit history)
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For those who have not seen a split head Pontiac thermostat or housing I am attaching a copy from "Pontiac Six Parts Repair List"  The water manifold "1" attaches to both heads. The gasket "2" goes onto the housing then the thermostat "6", then a second gasket "2" and finally the outlet elbow  "3".  As I stated in an earlier post I have never seen a NOS thermostat or even another used one other than the one in my car and I have been searching for one for 57 years.

 

post-76489-0-82800700-1457059797_thumb.p

Edited by Guest (see edit history)
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The nice thing about it though is that the lack of one does not prevent one from enjoying driving the Pontiacs.  Of course they did not even use a thermostat until they went to the cross flow radiator.  We are into spring (daffodils, tulips, crocus and ornamental cherry trees out in full bloom) just as you slip into fall down under.

Happy motoring.

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