rad and coolant

[Mario Tito]

on 10/20, Wouter de Waalwrote:

>When the engine is cold, you do not want to circulate coolant through the
>radiator, but you still want to circulate coolant through the engine. This
>is important, it gets rid of local hot spots. So you have a bypass, and the
>coolant circulates around the block. On the Land-Rover, if you remove the
>thermostat, the bypass *and* the route through the radiator is active, with
>an unknown percentage of the coolant not going through the rad. So your
>engine runs hotter. The thermostat is essential, even if you rip out the
>guts to make it into a '190 degree' or whatever equivalent.
>
>And this would be dependant on the engine design, some engines would
>obviously be more susceptible to radiator bypassing if you remove the
>thermostat.
>

I like that design of the thermostat blocking one port (to the bypass) 
and opening another (to the rad) at the set temp. 
ps what is your air cooled?


Mario T.
mailto:mario at swingbridge.com-----'76 VW Camper FI A/T,,'79 Fiat X1/9