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Old 03-31-2012, 11:55 AM   #48 (permalink)
oil pan 4
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Location: NewMexico (USA)
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Quote:
Originally Posted by Tesla View Post
how do you know if you are circulating the coolant fast enough?
Coolant the engine is discharging vs. radiator outlet temperature.

Quote:
Originally Posted by autoteach View Post
for $200 you can buy a pwm to control the speed. I would not use a resistor.
A resistor is a lot less than $200 and cant burn out.
If you spend $200 plus the cost of the pump which is in the $160 to $500 range the part about the mod being economical is long gone.
I am sticking with resistors.

Quote:
Originally Posted by mechman600 View Post
The thermostat is two valves: rad closed/open and bypass open/closed.
Smaller engines don't have this, its called a bypass blocking thermostat. Smaller vehicles have a bypass that flows all the time and a thermostat that opens when the coolant gets hot. When the thermostat is open the bypass coolant is still going.
Even on vehicles with a bypass blocking thermostat they still have another bypass.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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