Heater Hose Connection Question.

[48richard]

I just picked up a new radiator from Autozone for my 71 350/350, and it doesn't have a connection for the heater hose, which my old radiator does. I see in the service manual that on manual transmission trucks the heater hose goes to the water pump, not the radiator. Any reason that won't work on my automatic?
If not, what does the connection at the water pump look like? There are two plugs on the water pump; one at the top and the other on the passenger side. Do I need to get a fitting to thread into one of these?

Thanks,

Richard

[glider_6969]

Originally Posted by 48richard

I just picked up a new radiator from Autozone for my 71 350/350, and it doesn't have a connection for the heater hose, which my old radiator does. I see in the service manual that on manual transmission trucks the heater hose goes to the water pump, not the radiator. Any reason that won't work on my automatic?
If not, what does the connection at the water pump look like? There are two plugs on the water pump; one at the top and the other on the passenger side. Do I need to get a fitting to thread into one of these?

Thanks,

Richard

Here is a pic I have of mine, I have a fitting for a 3/4 hose that is threaded in on top.

[kwmech]

The pic above is obviously a long water pump. If you have the stock short pump, the factory had a hose nipple that was almost 3'' long that threaded into the lower part by the lower hose. You can though put the return hose from the heater core into either the top or bottom. Pressure to the core comes from the intake underneath the t-stat and the return goes into either the pump or radiator. Hope that helps.

[48richard]

Thank you. Helpful as always. Looks like I just have to find the nipple and I'm good to go.

[swamp rat]

http://67-72chevytrucks.com/vboard/s...67&postcount=5

This may help

http://67-72chevytrucks.com/vboard/s...60&postcount=1

First pic shows return connection on right side of pump..

[48richard]

Thanks. Got the nipple this morning from O'Reilly's, so I should be in business.

Richard