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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Two heater questions

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Old Nov 30, 2023 | 04:06 PM
  #1  
LVExp's Avatar
LVExp
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Cross-Country
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From: Las Vegas, NV
Two heater questions

It's getting cold out so its time to make use of the newly rebuilt heater box, however I've run into two issues that I'm hoping you all can help me with.

I installed my rebuilt heater box and new "vinyl and plastic material" ducting from NPD this April and unfortunately after 3 months in the Vegas summer heat the ducting is degraded and cracked worse then the original 1965 ducting I took out when rebuilding the heater box.

1) Will the Woven fabric ducting from Dennis Carpenter withstand the extreme summer temperatures?
2) Since DC sells there ducting by the foot, how many feet will I need?
3) is the ID 2" or 2 1/2"?

Lastly during the rebuild I replaced the fan motor including soldering the original connecters onto the new motor so the wires are longer then the originals. It is obvious where the positive wire with the unique male plug connects to, but where does the ground get connected?
 
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Old Dec 2, 2023 | 03:57 PM
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SjoDon
Mountain Pass
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From: Lenexa, KS
I installed plastic hoses on mine. Have not had any problems. My 66' F100 stays outside year around in Kansas City.
 
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Old Dec 26, 2023 | 12:11 PM
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BC_99
Mountain Pass
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2 1/2 inch hose.
on my 65 the short hose is 10 inches
Long hose is 21 inches
So, 3 feet of hose should do.

BC
 
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Old Dec 29, 2023 | 07:35 PM
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WillW4169
5th Wheeling
Joined: Oct 2009
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From: FtWorth
My '66 was grounded to the metal part of the box.
 
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Old Jan 3, 2024 | 07:10 PM
  #5  
LVExp's Avatar
LVExp
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From: Las Vegas, NV
Originally Posted by BC_99
2 1/2 inch hose.
on my 65 the short hose is 10 inches
Long hose is 21 inches
So, 3 feet of hose should do.

BC
Originally Posted by WillW4169
My '66 was grounded to the metal part of the box.
Thank you both!! You saved me $$ and made up for my lack of photos when i took the heater box out.
 
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