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12-01-2006, 03:09 PM
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#1 |
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Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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heater hose placement
Radiator went bad today and have a replacement but it doesn't have the heater hose nipple on the radiator like current one does
Need to hook up one heaterhose to waterpump instead of the radiator. Does it matter which port I use on the water pump? There is a side port and a top port. I would prefer to use the side port but it is a square plug end and after this long I am not sure if it will even come out. The top port has a reducer and a plug that I amm sure I can break loose. Are they both ouputs cause the other hose goes into the top of intake manifold
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12-01-2006, 04:18 PM
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#2 |
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Registered User
Join Date: Apr 2006
Location: oklahoma
Posts: 10,670
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Re: heater hose placement
Side one is the one you are supposed to use. You will also need to find a long pipe nipple to install there, most are to short. Not sure about the top port.
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12-01-2006, 07:03 PM
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#3 |
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Senior Member
 
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: heater hose placement
The water comes out of the intake and is returned to either the radiator or the water pump. I am pretty sure the top fitting on the pump is a "suck" port also just like the side one. I have a spare fitting that goes in the side of the pump, if you want it just let me know, I'll drop it in the mail.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 Last edited by Green Machine; 12-01-2006 at 07:06 PM. |
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12-01-2006, 08:23 PM
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#4 |
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Oilfield Trash
Join Date: Sep 2003
Location: Raymore, Sk, Canada, Earth
Posts: 3,171
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Re: heater hose placement
top or side nipple on the pump will work fine, just about every 350 i have owned has had the heater hose on the water pump
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14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr. |
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12-01-2006, 09:13 PM
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#5 |
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Registered User
Join Date: Nov 2003
Location: Alexandria, VA
Posts: 1,534
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Re: heater hose placement
Most auto parts have long and short heater hose nipples similar to the one pictured above. Mine also uses the pump side port and the other hose to the intake. Make sure to use teflon tape or pipe dope on the threads.
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'72 GMC SWB C1500 Custom, frame-off in progress. 383 SBC, 9:1CR, Comp Cams XE262H, Scat internal balanced crank, Eagle SIR 6" rods, Keith Black dish pistons, Dart Iron Eagle 72/180 heads, Weiand Stealth intake, Stewart stage I water pump, Holley 4bbl vac sec, TH350 with B&M Shift Improver Kit. 12 bolt positraction.   
Last edited by Sweet72; 12-01-2006 at 09:15 PM. |
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12-01-2006, 11:15 PM
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#6 |
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Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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Re: heater hose placement
didn't know if there was a pressure and return side on waterpump.
Thanks for the offer Green Machine but the reason I had to go to the top port was cause the plug on the side is a square head and I couldn't get a enough bite with a socket to break it loose. It is 1/2" square but I couldn't fit a 1/2" drive socket reversed on it either. no room for a pipe wrench and it was to cold to pull the whole pump to try and get that side port off. For now I'll just have the pipe run into the top till I can figure a way to remove the side plug. Kind of sounds like a spring thing
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12-01-2006, 11:26 PM
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#7 |
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Senior Member
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: heater hose placement
Just went out to the garage and verified this. An 11/16 - 12 point socket fits the 1/2 in square plug pretty well, might be able to get it that way, just an idea......
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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12-02-2006, 01:10 AM
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#8 |
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Registered User
Join Date: May 2000
Location: Storm Lake, Ia
Posts: 1,449
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Re: heater hose placement
Thanks for the extra input tom but the 11/16 12 point is just big enough to slip on the corners. Real nuckle buster if you know what I mean.
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12-02-2006, 09:44 AM
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#9 |
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Living In The Past
Join Date: Nov 2003
Location: Rockies
Posts: 709
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Re: heater hose placement
sears has 8 point (craftsman) sockets that oughta work
Last edited by Olden Days; 12-02-2006 at 09:46 AM. |
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