312 thermostat bypass hose plug question

You actually can make your own shrould...but it takes a little doing. There is a video I recall seeing years ago on youtube. Styrafoam you stack and shape. Then cover if with aluminum foil. Then lay fiberglass on it. After it cures ya pop it out, and spray paint it.

Doesn't look hard, but seems like a trial and error type of thing too. Definately not a 1 afternoon in the garage project.
 
FYI, my 57 did not hold a lot of fluid with the factory radiator... I mean like hardly nothing.

Where are you? Does it get schorching hot there?
 
Gene F said:
FYI, my 57 did not hold a lot of fluid with the factory radiator... I mean like hardly nothing.

Where are you? Does it get schorching hot there?
Click to expand...

I’m on Long Island NY, gets into high 90’s here on some days. When I measure temps before and after the radiator it’s a good drop in temp, sometimes 25-30 degrees. I’m waiting on a high flow thermostat to be delivered, then I’ll investigate more because I have no idea what is in there now.
 
So I ended up installing a 160 high flow thermostat after removing a 180 high flow. Drilled a couple of holes in it too. I also added the 3/8” plug into the bypass hose. Turned out to be an easy install with no leaks. Temps are about 10 degrees cooler overall. So far I like the results. Now come winter time I might be changing to a higher stat if I don’t get enough heat, but that’s a problem for another day. Thanks all for the suggestions and ideas
Ryan
 
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