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12-22-2008, 11:01 AM
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#1 |
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Senior Member
Join Date: Jul 2004
Location: Clarks Hill, Indiana
Posts: 733
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Heater core air flow
Can anyone tell me where the heater core gets fresh air to heat my cab?
My truck has sat most of the last year +, and I don't have the heat capacity I used to. I'm guessing the air flow is clogged with leaves... THX
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1969 K10 - V8, 465, 205, 12 bolt, D44 2002-current 1969 K20 - V8, 465, 221, Eaton, D44 2012-current Nothin' but drums on all 4 corners! past horses in the stable 72 C10-short step (97-02), 68 C10-long fleet (06-12) |
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12-22-2008, 11:38 AM
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#2 | |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Heater core air flow
Quote:
s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. 
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12-22-2008, 01:09 PM
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#3 |
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Registered User
Join Date: Oct 2006
Location: Rock Hill, SC
Posts: 421
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Re: Heater core air flow
Yep clean all that crap outta there and you'll be good as new. I took the cover off the heater core under the hood and a shop vac/leaf blower. Messy but none the less effective. Good luck. Mike...
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1968 chevy shortbed, Dark Shadow Gray 4 bolt 383 Stroker,Weiand Super Charger, disc brakes, 9 inch, 391 gear, 20" Eagle wheels, muncie 4 speed/ Hurst shifter, 4/7 drop, Hedman midlengths, 3 inch exhaust w/ 2 chamber flows. 1966 Mustang with 306 roller, c-4, 9 inch Detroit locker rear. 1965 Fastback Mustang w/347 stroker, top loader 4spd, 9 inch detroit locker. 1966 Mustang coup, 306 roller, c4, 9 inch. 65 Cobra, 427, T6oo, 9inch, of course. First gen Hayabusa, airbox mod and running 2 exhaust cams.. Zoom Zoom Zoom |
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12-22-2008, 01:51 PM
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#4 |
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Old Skool Club
 
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Heater core air flow
Four screws, as I remember...plus some electrical connections and coolant lines to the heater core.....
Once you get into it, you'll find a lot of opportunties for "stoppage of the air flow". I hope you can find them and clean it out w/o finding other "problems".
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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