Thermostat

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I-AM-JD

Apprentice
Jan 7, 2020
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Sacramento CA
Anybody out there that would be able to tell me where the thermostat is located on a 1980 regal 3.8 l. Thanks in advance
 
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g0thiac

G-Body Guru
Sep 6, 2020
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Anybody out there that would be able to tell me where the thermostat is located on a 1980 regal 3.8 l. Thanks in advance
I believe you can follow the upper radiator hose to the housing there.
 

MrSony

Geezer
Nov 15, 2014
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Des Moines, Iowa
yep, under the water neck on the intake manifold where the top radiator hose connects to the engine. The part with the spring goes into the intake. Stock temperature rating is probably 195*f, 180 is a happy medium. clean up the thermostat housing bolts with a wire brush and use a very light coat of rtv on the new gasket. dont put coolant in it until you let it dry for at least a few hours.
 
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