This truck and my other 327 in my panel.I have from the beginning ran them with 160 degree thermostats.
If I remember the change happened from 180 after I got this engine back and just did not care for how hot the engine would get.
Probably normal and not overheating, but you could not comfortable having your arm on the hood cowl there at the rad.
It was transfer heat from the rad. So for the past years ,I`ve had a 160 in there. Fast forward to about a month ago ,I switch on a whim to a 180 degree.
Same thing again. too hot. Promptly switched back. Back to normal temps. Engine runs fine. Great really.
I check the heat with a gun, so I know exactly what its doing. It runs at 170-175 at the rad. with a 160 thermo.
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Last edited by Guitplayer; 06/29/2024 12:23 AM.

~ BD.
"You won't find me in an old folks home" Pioneer Florida Cracker
1958 Apache Stepside
1958 Apache 1/2 ton Panel
1959 Apache 1/2 ton Panel