heater hose in and out on chevy 350 - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-06-2012, 08:47 PM
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heater hose in and out on chevy 350

wanting to no what the inlet and outlet ports for heater hoses on a chevy 350 i have a air gap intake with the the four water hoses 2 in the front and to in the back and of course the one on the water pump thanks in advance

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Old 03-06-2012, 09:53 PM
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One runs from the water pump, the other runs to the coolant port on the front passengers side of the intake. The rear ports are meant for cross over cooling front to back often used on race cars and not needed on the street.
As for inlet and outlet that's easy, the size of the heater core outlets will tell you which is which as one is 5/8 and the other is 3/4.
3/4 goes to the water pump. 5/8 goes to the intake.
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Old 03-06-2012, 10:23 PM
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Originally Posted by DoubleVision
One runs from the water pump, the other runs to the coolant port on the front passengers side of the intake. The rear ports are meant for cross over cooling front to back often used on race cars and not needed on the street.
As for inlet and outlet that's easy, the size of the heater core outlets will tell you which is which as one is 5/8 and the other is 3/4.
3/4 goes to the water pump. 5/8 goes to the intake.
the only thing is im installing a heater in my car that feeds of the water system like regular heat does, and it has a inlet and outlet so i just wanted to no where i can run the 2 house i have to cut 2 5/8 holes in my fire wall to run the hoses from the inside of the car to the engine block

theres a pix of the heater
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Old 03-06-2012, 10:36 PM
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ok i got u,

INLET: 3/4"
OUTLET: 5/8"

so the inlet is at the pump and outlet at the block thanks again
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Old 03-07-2012, 05:03 AM
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Quote:
Originally Posted by frost2000
ok i got u,

INLET: 3/4"
OUTLET: 5/8"

so the inlet is at the pump and outlet at the block thanks again

Ayuh,.... That's backwards, but ya, that's where the hoses go...

The water comes outa the block, 'n returns to the pump...
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Old 03-11-2012, 10:59 AM
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inlet/outlet

got ya
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