Okay I get it. The direction of flow makes sense to me, that the thermostat acts to run the coolant to the proper places, head pressure and all that. As far as needing it so that the engine won't run too cool, no. Appreciate the replies.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.