Re: thermostat

[Nolan Penney <npenney@erols.com>]

>Removing the thermostat does increase the flow rate, but without the 
>restriction it creates, also reduces the effective coolant pressure in 
>the block.

It's a negligible contribution at best to pressure.  The source of 
pressurization of the cooling system is the radiator cap.  Don't forget, 
a number of british and European engines have the thermostat at the 
entrance of the water pump.