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09-02-2016, 10:15 PM
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#1 |
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Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Heater Box Question
Quick heater box question...
Should this door/flapper have some sort of a gasket on it? (Mine does not) And, yes that is a rust hole in just above the door in this picture. Grrrrr.... LOL 
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Meet "Old Roy": http://67-72chevytrucks.com/vboard/s...d.php?t=707801 |
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09-02-2016, 10:37 PM
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#2 | |
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The Older Generation
   
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,772
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Re: Heater Box Question
Quote:
Yes, it should have a seal around the edges.... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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09-02-2016, 11:07 PM
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#3 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: Heater Box Question
Lockdoc is correct. Further, companies carry rebuild kits for the heater boxes. I rebuilt mine, and it did make a noticeable difference in the amount of directed air.
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09-03-2016, 05:27 AM
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#4 |
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Six in a row makes it go...
Join Date: Mar 2009
Location: Vacationland: Maine
Posts: 1,346
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Re: Heater Box Question
Here's a thread I refer to often as I'm getting ready to do my heater box:
http://67-72chevytrucks.com/vboard/s...ghlight=heater
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67 C20 long step resto: http://67-72chevytrucks.com/vboard/s...d.php?t=342086 66 C10 long step build: http://67-72chevytrucks.com/vboard/s...=1#post3814790 CT to Alaska in a 67 C10: http://67-72chevytrucks.com/vboard/s...d.php?t=399224 “The height of sophistication is simplicity." - Clare Boothe Luce |
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09-03-2016, 07:52 AM
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#5 |
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Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Re: Heater Box Question
Thanks for the thoughts guys. Guess I'll have to order a seal kit. I didn't realize they come with a heater door seal as well.
Another question... Does anybody make reproduction "tin parts" for these heater boxes? As you can see, there is a hole below the blend door on the one piece, and the other piece has quite a bit of rust where the motor seal glues on.
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09-03-2016, 12:25 PM
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#6 |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,322
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Re: Heater Box Question
Gaskets:
1. A rectangular rubber foam gasket fits inside the RH (TS) box. It seats between both boxes. 2. A rubber foam gasket fits between the firewall and the rear of both boxes. This fastens to the RH box. With the RH (TS) box mounted, the gasket inserts into the LH (TS) box. 3. A roughly round rubber foam gasket fits between the front of the RH (TS) box and the blower motor. 4. A foam rubber gasket fits along the perimeter between both sides of the box. This is round and narrow. Cut to fit. 5. A rubber ring (i.e., gasket) inserts into the back of the RH (TS) box for the hole for the blower. Correct positioning is the widest portion of the ring faces the firewall. Note: With possible exception of #4, the gaskets are cemented.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 Last edited by 71CHEVYSHORTBED402; 09-03-2016 at 12:42 PM. |
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09-03-2016, 08:42 PM
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#7 |
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Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Re: Heater Box Question
Thanks 71Shortbed!
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09-03-2016, 11:11 PM
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#8 | |
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Registered User
Join Date: Jul 2015
Location: Euless, Tx
Posts: 431
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Re: Heater Box Question
Quote:
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09-04-2016, 12:15 AM
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#9 |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,322
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Re: Heater Box Question
Do you guys recommend attaching the entire evap. box to the fire wall in one piece? I took the LH truck side off first, then removed the RH side with the evap. core. Seems with that rear gasket it might be best to install the entire unit.
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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09-04-2016, 12:18 AM
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#10 |
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Registered User
Join Date: Jul 2015
Location: Euless, Tx
Posts: 431
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Re: Heater Box Question
yes its best to install it as one piece
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09-04-2016, 12:26 AM
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#11 |
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Registered User
Join Date: Jul 2012
Location: Anderson,SC
Posts: 953
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Re: Heater Box Question
I have a heater box you can have if you want to pay for shipping.
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09-04-2016, 07:18 AM
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#12 |
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Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Re: Heater Box Question
Clemsonteg-
Thanks! What a generous offer. (This is such a great forum!) I just sent you a PM.
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09-04-2016, 11:45 AM
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#13 | |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,322
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Re: Heater Box Question
Quote:
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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