
SBC coolant bypass early vs vortec - Don Terrill’s Speed-Talk
Jul 22, 2014· Re: SBC coolant bypass early vs vortec. Post. by Belgian1979 » Fri Jul 18, 2014 2:04 pm. JoePorting wrote: A 3/8 or #6 hose should go from under the thermostat to the low pressure side of the water pump to bypass the radiator. I''ve now done it like that, only to the top big plug in the pump.