I'm not exactly sure, but there should be a thermostat I would think. Every old car and truck I've ever taken apart, is always missing the thermostat. Why people leave them out it beyond me.

Your shop manual should tell you this info. The 34 manual has this to say:

http://chevy.oldcarmanualproject.com/shop/1934/34crm118.htm

Ahh, you only need one if its cold!


Christopher
1950 1-Ton
"Rochester"
In the Gallery
In the DITY Gallery

1949 GMC Panel Truck
1926 Model TT Truck