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03-20-2002, 05:52 PM
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#1 |
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Registered User
Join Date: Jun 2001
Location: TX
Posts: 91
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?? Radiator??
Last week someone posted about the best way to run their heater hoses. To the water pump and the intake OR to the rad and the water pump and or the intake. I did not know that 67-72 pickups had the radiator with a place for the heater hose.Or do they? And I think some one said that if you run to the rad with heater hose that it would help cool it better> Is that true?
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03-20-2002, 06:57 PM
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#2 |
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Account Suspended
Join Date: May 2000
Location: IL
Posts: 0
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some do and some dont, the 72 blazer 350 4x4 had hooked ot radiator instead of to the pump, its the 3/4" hose(larger of the two) that was either on pump or radiator, you can connect however you want to depending on radiator you have, have to pipe plug the pump fitting though if you conenct to rad
good luck ------------------ -71/C-10(thx teeitup and crews!)350 4+4/CH465(thx 71Chev, GMCPaul, and CPNE)longfleet bed(thnx meathead95)!still building it- -'84 Z28(Z28) 1G1AP87GXEL100000 with H.O. 305/4bbl/190net/hp(L69) 3.73 rear(GT4/YC4) 700R4(MD8-MXO) & other goodies  -79 G20 pass van, 350/th350/10bolt, paint is overrated Randy- Lincoln, IL randy@ccaonline.com © RSS Enterprises 2000 |
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03-20-2002, 08:01 PM
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#3 |
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Registered User
Join Date: Jun 2001
Location: TX
Posts: 91
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Thanks Fast but does it cool any better running to the radiator then the water pump?
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03-20-2002, 09:39 PM
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#4 |
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Senior Member
 Join Date: Mar 2001
Location: Cedar Park, TX
Posts: 686
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Dont really know if it cools any better but
seems to me I read somewhere, the idea behind having the connection to the radiator was mostly done for automatic transmissions...It would bring the transmission fluid up to a stable operating temperature quicker by passing warmed coolant from the manifold directly over the autotrans fluid cooler inside the radiator...Looking at the service manual for these trucks, 4x4 were done this way....and I also think the bigblocks were also routed the same. Although not certain. I like the hose routed to the radiator myself. I just think it looks cleaner. ------------------ 71 Chevy C-10 SWB Fleetside WAS:307w/3-on-the-tree NOW:350TBI/700R4/3.73 See it at www.prismnet.com/~grzanich
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71 Chevy C-10 SWB Fleetside RamJet-350/4L60e & Compushift/3.73Posi See it at www.prismnet.com/~grzanich |
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03-20-2002, 09:45 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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My opinion is that it would cool marginally better. In warmer months you wouldn't be using your heater, so the water entering your water pump from the 3/4" return hose is almost the same temp as when it left the block. So if it returned to the radiator, it would mix with the already cooler water and lose some heat to the radiator. I don't think it would be much however. It isn't passing through any cooling fins, it is just being dumped back into the right radiator tank and out the bottom hose again.
------------------ 1971 C-10 Suburban 1972 C-10 Suburban 1969 XL Galaxie Fastback 1968 Galaxie 500 Fastback 1974 SCOUT II Montrose, Minnesota
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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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