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09-16-2005, 09:07 PM
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#1 |
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User #12137
 
Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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heater hose ?s
where does the heater hose from the rad go to (just put 4 core in and old rad didnt have this on it )? heater core top or bottom ?
if so do i block off the water pump or the intake ? |
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09-16-2005, 09:27 PM
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#2 |
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Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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You can run either the radiator or the waterpump for the 3/4 hose. The 5/8 will still go to the intake. The heater core should tell which way to go, the smaller of the two will go to the intake. Actually you cant really hook up the hoses wrong on the core...
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09-16-2005, 09:28 PM
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#3 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,647
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Radiator to top heater (3/4" = larger hose).
Lower heater (5/8" = smaller) to control valve on inner fender, then to intake - Water pump blocked - This is on my stock '72 with A/C. Hope this helps! Mike
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay Last edited by Stocker; 09-16-2005 at 09:32 PM. |
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09-16-2005, 09:45 PM
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#4 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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if you had stayed in florida you wouldn't need a damn heater !!!!!
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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09-16-2005, 11:23 PM
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#5 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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"Actually you cant really hook up the hoses wrong on the core..."
But someone could have put the heater core in up-side-down. Correct is 3/4" @ top, 5/8" @ bottom on a non-A/C truck.
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Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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09-17-2005, 12:07 AM
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#6 |
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Registered User
Join Date: Dec 2003
Location: here
Posts: 5,789
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Can coolant really go the wrong way through a core?
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09-17-2005, 01:06 AM
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#7 | |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,647
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Quote:
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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09-17-2005, 05:32 AM
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#8 | |
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User #12137
Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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Quote:
 i used to live down there  missed the mountains had to move back here 
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09-17-2005, 05:33 AM
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#9 |
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User #12137
Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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oh yea thanks for the input everybody
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09-17-2005, 09:10 AM
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#10 | |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Quote:
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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09-17-2005, 03:26 PM
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#11 |
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User #12137
Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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well as things would have it the heatercore is in upside down lol i have no clue to what i was thinkin back then the last time i changed it was about 15 to 18 years ago hhhmmmm i may need to look at the heater core and see if its still ok
Last edited by tnblazerk5; 09-17-2005 at 03:26 PM. |
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09-17-2005, 05:38 PM
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#12 |
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Registered User
Join Date: Dec 2003
Location: North Central FL
Posts: 126
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I recently had almost the same questions. Turns out I had them backwards, not that it made a big difference, I wanted it to look right.
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70 C/10 LWB 69 Cougar 68 Mustang 68 GMC 4X4 SWB |
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