Is a 180° thermostat correct for a 1955 235 or should I get one that opens up a little sooner? Gets hot here in south Texas during the summer and I don’t want to over heat.
Attachments

Chuck
1950 Chevy 1/2 ton (all original)
1951 Chevy 1/2 ton (future streetrod)
1941 Chevy coupe
1938 Chevy coupe streetrod