Deuce Cam wrote:It's a worthwhile mod if you've already deleted the heater and the engine is used on track.
allencr wrote:Thermostat needs the heat and a track car doesn't need a thermostat, that's why its plumbed to the head's outlet.
Deuce Cam wrote:Edit: Will deleting the line at the back of the water pump make a t-stat less efficient?
morgan wrote:Deuce Cam wrote:Edit: Will deleting the line at the back of the water pump make a t-stat less efficient?
my thinking is it will make it more efficient, and keep the motor cooler. IF the bypass line say, cools down the coolant just a bit, and goes right tot he thermostat, then it wont open when the coolant in the block/head is hotter. without the bypass line, the thermostat will rely only on the block/head coolant and open earlier.
just the way im thinking about it, someone correct me if im wrong.
Deuce Cam wrote:Although it doesn't really matter much, deleting the heater/looping the lines (basically running the large ilne from the back of the head directly to the back of the water pump) is actually worse for cooling that running the stock configuration with the heater core/lines in place. This is because a fair amount of hot coolant is now flowing directly from the back of the head to water pump 100% of the time with no in-line heater core valve or heat sink (heater core). Further, water enters the block on the front of the engine, and exits the head at the front of the engine. It's easy to see why the rear of the engine may get hotter.
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