Guerrini

G

GUERRINIRACING

Junior Member
Anybody know how to keep 1940 thermostates from ending up up inside the hose---upside down and backwords------------???????????or just go back to the stock ones--------------they worked when the cars were new----?????????--------
 
Drill two small holes toward the top of the neck of each head and the rim of the T stat. Use thin gauge stainless safety wire, tied them down and reinstall hose.

The factory hoses had a flare in the part where they connect to the head to keep the T stat in place.

I've had very good luck using Stant Super Stats @ 180 degrees. I believe they fit Subaru Justys.
 
Tim Ayers said:
The factory hoses had a flare in the part where they connect to the head to keep the T stat in place.
Click to expand...
Ten years ago I bought reproduction hoses with the molded flare from one of the usual vendors. Never had a traveling stat problem. Are these molded flare hoses no longer available?
 
Just put a hose clamp an inch above the stat, and just squish the
hose a little bit, just enough to keep the stat from creeping up. ;)

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Or push a piece of stainless tubing up the hose a little so the stat can't drift up. A strip bent into a circle will do if no tub available.
 
JayChicago said:
Ten years ago I bought reproduction hoses with the molded flare from one of the usual vendors. Never had a traveling stat problem. Are these molded flare hoses no longer available?
Click to expand...

I think the ones from Bob Drake have the flare. I've been seeing some that do not have that molded in.

Rick @ Noble Speed makes a nifty solution as well. Those Super Stats welded into a piece of stainless pipe.

https://www.noblespeedequipment.com/product/flathead-in-line-thermostats
 
I cut a piece of hose that fits snugly inside the existing hose and use a polyurethane marine adhesive, usually Sikaflex to keep them in place. These inserted pieces are about 1 1/2" long. And x2 on the subaru justy thermostats.
 
I have never had to add anything to a thermostat or use a second hose clamp on any 37-48 style V8 engine. I have used the hoses with the molded flare where they go over the head. I just set the thermostat on the head outlet, shove the hose down over the thermostat and head outlet, and tighten the hose clamp.


I did a quick look around for these types of hoses for 1939 Deluxe / 1940 / 1941 V8 and found they are out of stock. Sign of the times we live in.
 
The best way to fix this is to go back to the stock thermostats--they are much larger and cant go up the hose----ford had it figured out----ebay stuff now 155---temp------------- and they open up not down----
 
They make the original hoses-----they do have a flare to them---some people are out of stock i did get a set of new ones-------i was lucky---
 
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