Heater/Defrost "J-Tube" Replacement

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draw82
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Joined: Tue Oct 24, 2017 3:10 pm

Heater/Defrost "J-Tube" Replacement

Unread post by draw82 » Wed Oct 25, 2017 11:31 am

I received a 64' Corvair Monza Coupe from a family friend. He has had it for years, but is to old to work on it. While removing the withered heat and defrost hoses, I found that the "J-tube" connecting the front floor vents to the defrost hoses to be rusted out beyond repair. (See pics below) my questions follow:
1. Are there replacements?
2. If so, how would I remove the old ones?
3. If not, could I possibly run defrost hose and find a way to keep the hose from backing off the floor vent?

Any and all comments are welcome. Thank you for your time.
I do not know why the pics are rotated. Sorry!

V/r,
Jesse
20171004_144247.jpg
64'
Attachments
20171022_140831.jpg
Driver Side (Passenger side is just as bad)

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bbodie52
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Re: Heater/Defrost "J-Tube" Replacement

Unread post by bbodie52 » Fri Oct 27, 2017 10:37 am

:think: :idea: I can't really tell what can be done to replace the ducting on your Corvair from the picture. Assuming that you might have to fabricate something, the aircraft industry has a range of flexible ducting, aluminum flanges, bulkhead ducts, 90 degree tubing, etc. that just might provide some components for fabricating an air passage for replacing your aging defroster connections. The 1960s GM way does not need to be the only way to get the job done. Perhaps these website pages will inspire a method for fabricating a replacement. 2" ducting shown here...

Image
:link: http://aircraftproducts.wicksaircraft.c ... r-supplies
:link: http://aircraftproducts.wicksaircraft.c ... ct-ducting

ImageImageImageImage

Or possibly the Corvair Ranch in Gettysburg, Pennsylvania might have some suggestions...

Image

:link: http://www.corvairranch.com/
Brad Bodie
Lake Chatuge, North Carolina
Image 1966 Corvair Corsa Convertible

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Trip
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Location: Lake Ariel, PA

Re: Heater/Defrost "J-Tube" Replacement

Unread post by Trip » Fri Oct 27, 2017 8:21 pm

Wow, that's a new one to me, but beautiful car! I love that color combo.

Ralph Nader would love that first picture though, until he realized the garage was also upside-down! :rolling:
Ray "Trip" Rodriguez III
Gouldsboro, PA
66 Corsa 140 coupe
65 Corsa 180 Turbocharged coupe
64 Monza Convertible
61 Air conditioned Monza coupe (Missy's)
See them here: https://tinyurl.com/ydc7txrf

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lostboy
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Re: Heater/Defrost "J-Tube" Replacement

Unread post by lostboy » Tue Oct 31, 2017 8:34 am

Mine looked like that, but they were covered in mouse shit and bedding. I cleaned them up, rusty metal primered them and now use a gas heater. Like others said, I would look into using something like dryer duct the whole way if you don’t want to fab new tubes.


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-Steve
1961 Corvair 700 Sedan (80hp 3spd Gasoline Heat)

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