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#1400729 03/09/2021 10:19 PM
Joined: Feb 2020
Posts: 24
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'Bolter
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Posts: 24
Can anyone tell me what size screws were used to attach the defrost ducts under the dash? I am assuming the screws go in from underneath?

Thank you.


1949 chevy 3100
Scotts IFS
4-link rear
L-31 5.7l vortec
Joined: May 2015
Posts: 9,830
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Joined: May 2015
Posts: 9,830
I'm going to guess they're #8 round head sheet metal screws. Yes, they do go in from underneath. The defrost nozzles (I refer to the hoses as ducts) have a slot on one end, so you can start one screw, fit the nozzle, then install the other screw. Probably 1/2" or less in length. It's been a long time since I took mine apart, so going from memory.


Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
Joined: Feb 2020
Posts: 24
C
'Bolter
'Bolter
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Joined: Feb 2020
Posts: 24
Klhansen, Thank you for that info. I will get some #8 and try them out.

Love this forum. So many helpful owners on here.


1949 chevy 3100
Scotts IFS
4-link rear
L-31 5.7l vortec
Joined: Aug 2010
Posts: 70
W
'Bolter
'Bolter
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Joined: Aug 2010
Posts: 70
I put mine in my '53 from the top, worked Ok and probably a lot easier.

Joined: May 2015
Posts: 9,830
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Joined: May 2015
Posts: 9,830
Originally Posted by WVMountaineer
I put mine in my '53 from the top, worked Ok and probably a lot easier.
Wondering how that worked, unless you used oversize screws that engaged the notches in the nozzles. Or maybe the '53s are different. The head of the screw on the bottom holds the nozzle in position.
Here's one of Brad Allen's pics showing the nozzle with a clip on one end and notch on the other.
Defrost nozzles

Last edited by klhansen; 03/11/2021 3:16 AM.

Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
Joined: Oct 2005
Posts: 4,168
"Hey! I sound like Darth Vader!!
"Hey! I sound like Darth Vader!!
Joined: Oct 2005
Posts: 4,168
On my '51, you slide the nozzle up under the dash where you have a clip on the nozzle slip over the hole. The other side is pushed up against the dash where there is a small hole next to the nozzle slot that you drive a screw, from the top, in to the body nut attached to the nozzle.

Joined: Sep 2006
Posts: 3,597
B
'Bolter
'Bolter
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Posts: 3,597
Here is how the factory did it, these are instructions from a NOS Heater, 1953.
https://www.flickr.com/photos/advance-design_parts_co/32351687978/in/album-72157631872034068/

Joined: May 2015
Posts: 9,830
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Joined: May 2015
Posts: 9,830
Brad to the rescue. grin


Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.

Moderated by  ndkid275, Phak1 

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