I'm rebuilding a 90 7.3 and would like to know what this is and what it does? On the heater hose coming off the water pump there is a tee that goes down the front of the engine to the radiator where it connects to the radiator. This is a half inch hose and where it connects to the radiator the radiator is reduced to a very small hole. Why and What does it do? Why is it reduced to such a small hole? I have never seen anything like this on any other 6.9 or 7.3
That is a heater line for the rad auto trans fluid compartment in winter.....also a pre cooler in the summer for the trans fuid.....
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93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93 has 160K+, it's basically a stock truck with all the Ford options, just no disc player.
Toys: 26'Jayco FK TT, 18'Sylvan Pro Fish.
Not sure really.....but if it was larger you could divert the cab heaters hot coolant unnecessarily... ??????
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93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93 has 160K+, it's basically a stock truck with all the Ford options, just no disc player.
Toys: 26'Jayco FK TT, 18'Sylvan Pro Fish.
Thats what its for but... I did away with mine because I don't use the radiator for trans oil cooling. Also that hose is a special item that Ford gets around $100.00 for. Now, do you really want to use it.....
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89 7.3 crewcab w/ Banks Sidewinder Wastegated Turbo. 4 inch straight piped. BTS E4OD trans with 2 extra gallons of ATF in a Mag Hy-Tec pan. Gear Vendors. Rodney Red custom aluminum radiator. Moose Pump with "G' injectors. Motor rebuilt with new after market ported heads. Mahle low comp pistons milled 12 thousands. Balanced to 1/4 to 1/3 gram. Lined bored. Block decked and sleeved on all 8. Shimed oil pump for higher pressure. Intake and exhaust logs ported too. Hypermax in shop waiting to be installed later....
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