Heater Hose Connections? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Pete · 07-01-2002, 08:53 AM

I seem to be short one heater hose connection!
I have a 1975 350 in my 67 C10 that was a six. The original motor had a heater hose connection on the water pump but the V8 pump does not and was designed so one hose went to the radiator. I do have a connection on the manifold too.

Is there a way I can use this pump and my original radiator. I am trying not to break the budget here. I put the V8 in the six position so I want to keep the long pump. I noticed that the V8 pump has a temp sending unit in it on top, could I put a heater hose fitting in there?

How have others set this up? Any and all responses would be greatly appreciated and I'll buy the next round.
Thanks.

*Randy70C-10* · 07-01-2002, 11:21 AM

The V-8 pump does have a connection, you just have to take out the plug and install a nipple for the heater hose.

Pete · 07-02-2002, 07:14 AM

Randy70C-10:
I rechecked the pump and the only possible place for a heater hose connect would be the water temp sensor on top. Is this the plug you are talking about?
Thanks.
Pete

BubbaGreen · 07-02-2002, 12:26 PM

Yep, take out the temp sender (on top of the long style water pump) and use that port for the heater hose. If you can, there
may be a plug in one side of the head to you can use to insert
the temp probe in. This is the way I had my motor, until I
got a new 3-core radiator, I ordered it with the 5/8" nipple on
the radiator.

O'l Buck · 07-02-2002, 12:53 PM

I'd pull the temp sender out of the waterpump and install your fitting there....and put the sender in the head where God intended it to be.

johnnyp · 07-02-2002, 01:36 PM

The other option is to have any local radiator shop install a heater return nipple in your radiator. I had this done recently - doesn't cost much.

07-01-2002, 08:53 AM	#1
Pete Registered User Join Date: May 2002 Location: Tallahassee, FL Posts: 15	Heater Hose Connections? I seem to be short one heater hose connection! I have a 1975 350 in my 67 C10 that was a six. The original motor had a heater hose connection on the water pump but the V8 pump does not and was designed so one hose went to the radiator. I do have a connection on the manifold too. Is there a way I can use this pump and my original radiator. I am trying not to break the budget here. I put the V8 in the six position so I want to keep the long pump. I noticed that the V8 pump has a temp sending unit in it on top, could I put a heater hose fitting in there? How have others set this up? Any and all responses would be greatly appreciated and I'll buy the next round. Thanks.

07-02-2002, 12:26 PM	#4
BubbaGreen Senior Member Join Date: Mar 2001 Location: Cedar Park, TX Posts: 686	Yep, take out the temp sender (on top of the long style water pump) and use that port for the heater hose. If you can, there may be a plug in one side of the head to you can use to insert the temp probe in. This is the way I had my motor, until I got a new 3-core radiator, I ordered it with the 5/8" nipple on the radiator. __________________ 71 Chevy C-10 SWB Fleetside RamJet-350/4L60e & Compushift/3.73Posi See it at www.prismnet.com/~grzanich

07-02-2002, 12:53 PM	#5
O'l Buck Recovering Truck Driver Join Date: Mar 2002 Location: Orleans, NE USA Posts: 1,883	I'd pull the temp sender out of the waterpump and install your fitting there....and put the sender in the head where God intended it to be. __________________ 67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska

07-02-2002, 01:36 PM	#6
johnnyp Keepin' It Stock Join Date: Aug 2001 Location: Grand Island, Nebraska, USA Posts: 554	The other option is to have any local radiator shop install a heater return nipple in your radiator. I had this done recently - doesn't cost much. __________________ 72 Sierra Grande - Maych Forget about "do it right the first time". Do it wrong the first time to learn how, then do it right the second time.

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07-01-2002, 11:21 AM	#2
Randy70C-10 Account Suspended Join Date: Mar 2001 Location: Virginia Beach, Va. U.S.A. Posts: 15,320	The V-8 pump does have a connection, you just have to take out the plug and install a nipple for the heater hose.

07-02-2002, 07:14 AM	#3
Pete Registered User Join Date: May 2002 Location: Tallahassee, FL Posts: 15	Randy70C-10: I rechecked the pump and the only possible place for a heater hose connect would be the water temp sensor on top. Is this the plug you are talking about? Thanks. Pete



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