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post #7 of Old 09-28-2012
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Re: Universal 5411 Cooling

Water starts to pulse out at around a cup's worth every second or two right after starting. When the temperature has climbed to about 135 deg F the amount of water pulsing out nearly doubles. At that temperature and under load with rpm around 2000 - 2300, water pulses out almost constantly and stays that way under load. At idle, it goes back to a pulse every one or two seconds plus a full discharge every now and then. So you see I spend a great deal of time observing my exhaust pipe! BTW, the temperature of the water pump also rises to around 118 deg F when the gage shows engine temp at 136 deg F. That is due to the mixing of hot returned water and cold raw water at the mixing tee. Hope this helps!
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