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08-22-2003, 05:47 PM
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#1 |
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Registered User
Join Date: Aug 2002
Location: Farmers Branch, Tx
Posts: 1,009
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heater hoses
I got a manual valve to put in the heater hose on the 67.
Which way does the water flow? (from the intake to the heater core or from the water pump to the heater core) I want to put it in the hose that "goes to" the heater core to stop the hot water from getting in the cab. Also, just to double check my truck, which hose (water pump or intake) goes on top and which hose goes bottom of the heater core?
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http://www.picturetrail.com/jwill41 67 1/2 ton GMC short step side 68 1/2 ton Chevy long fleet side 72 1/2 ton Chevy Suburban 99 1/2 ton Chevy Suburban founder (and only member) of the primer/clearcoat club |
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08-22-2003, 06:16 PM
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#2 |
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Registered User
Join Date: Aug 2001
Location: Menifee, Calif, USA
Posts: 2,146
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hmm From the upper Rad hose to the intake, and back down in to Rad.
I run my heater hose Small hose to top of Core, and in the intake, and the larger heater hose goes from Rad. to lower conn.
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With a 1972 Chevy Custom-10 Long bed w/350cid th350, (under-construction). Progress on truck so far (follow link): http://67-72chevytrucks.com/vboard/s...ad.php?t=51051 and stage 2 http://67-72chevytrucks.com/vboard/s...ad.php?t=58132 ~  "Why couldn't you have just put the bunny back in the box?" ~
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08-22-2003, 06:19 PM
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#3 |
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Inline 69
Join Date: Apr 2003
Location: valleysprings,california
Posts: 1,018
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dont you need to know if its an auto or manual,,,,,,i think they are hooked up differently
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08-22-2003, 06:24 PM
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#4 |
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Registered User
Join Date: Aug 2001
Location: Menifee, Calif, USA
Posts: 2,146
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true, might be some diff. in them
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With a 1972 Chevy Custom-10 Long bed w/350cid th350, (under-construction). Progress on truck so far (follow link): http://67-72chevytrucks.com/vboard/s...ad.php?t=51051 and stage 2 http://67-72chevytrucks.com/vboard/s...ad.php?t=58132 ~ "Why couldn't you have just put the bunny back in the box?" ~
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08-22-2003, 07:21 PM
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#5 |
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Inline 69
Join Date: Apr 2003
Location: valleysprings,california
Posts: 1,018
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here.........
ya there is a routing difference,,,,,,,,,jeff
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08-22-2003, 07:27 PM
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#6 |
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Registered User
Join Date: Jan 2001
Location: Killingworth, CT. USA
Posts: 3,378
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The flow goes from the intake manifold fitting to the lower heater connection, out the upper heater connection and back to the water pump (without a/c) or back to the radiator (with a/c).
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1971 C10 swb stepside 350/700R4/3.73posi (retired as of 4/22/03) 1998 S10 short bed 2002 S10 Blazer 1942 Oldsmobile 1958 Massey Harris Pony 1951 Wife Killingworth, Connecticut May those who love us, love us, any of those who do not love us, may God turn their hearts. And if God is unable to turn their hearts, may he turn their ankles so we may know them by their limping. A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and his heart is an artist. |
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08-22-2003, 08:33 PM
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#7 |
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Glowing since 1978
Join Date: Mar 2001
Location: Lusby,MD,USA
Posts: 532
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That is strange,
My 69 C20 with A/C has the return hose going to the water pump. Maybe it is a year specific thing.
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66 Chevy C30 Stakebody Dump, PS,PB, 327cu in 71 Corvette Coupe 454 4 speed 69 Chevy C20 Custom Camper |
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