Venting a '93 NAS110 Bulkhead - Defender Source
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  #1  
Old July 26th, 2016, 06:56 PM
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Venting a '93 NAS110 Bulkhead

Has anyone converted a '93 NAS110 bulkhead to add the vents? My bulkhead is perfect and I already have the updated dash components installed, just no vents.

I realize I wouldn't have the slight curve/bend in the opening that helps retain the vent seal, but seems like all I'd need to do is cut the openings and add the hinges, vents, and seals.

Seems like a waste of time and $$ to swap bulkheads....
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  #2  
Old July 26th, 2016, 09:08 PM
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So you ditched the AC? Won't you have to rover most of the shit to cut the holes? I would think a vented bulkhead swap would be easier than messing with what you're describing. Plus you retain your original nonmolested bulkhead. You've been thru a grillion trucks, don't act like you won't sell this one in a few years. Keep the NAS parts original for your resale value.
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Old July 26th, 2016, 09:37 PM
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You will need to modify the black dash backing plate to adapt for the levers, you will want the screens as well. Other then that you shouldn't have an issue, I would recommend drilling a using rivnuts on the bulkhead for the upper hinge so that you won't have to paint if you welded it.
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  #4  
Old July 26th, 2016, 11:05 PM
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Quote:
Originally Posted by Brewie212 View Post
You will need to modify the black dash backing plate to adapt for the levers, you will want the screens as well. Other then that you shouldn't have an issue, I would recommend drilling a using rivnuts on the bulkhead for the upper hinge so that you won't have to paint if you welded it.
Good news is that all the interior dash is correct, so I have the correct black inner dash piece. Near as I can tell it's as simple cutting the vent holes. Good idea with the rivnuts.
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Old July 26th, 2016, 11:09 PM
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I was looking into doing it, but instead I just took the black plastic "covers" off and made it look like a 2012 version.

Really, the reason I didn't do it was because for one, I found an NAS bulkhead and dash that were nearly complete, so why change it? But also because you would need to source the hinges, levers, doors, etc... from someplace. That someplace would likely be a bulkhead that, if you are going to use that stuff, you probably shouldn't be cutting up anyway!

But that's just me. I think it can be done. Would like to see your results.

BTW... do yo have any relatives in the Puget Sound area?
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  #6  
Old July 27th, 2016, 06:34 AM
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I'd be surprised if the finished product looks as you want it to. I would swap the bulkhead. Personally, I would rather have the non-vented bulkhead assuming you have a/c.
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  #7  
Old July 27th, 2016, 12:40 PM
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Factory vented bulkheads have a problem with leaking. Doing a conversion to a non-vented bulkhead may have the same problem or worse? You could however get the replacement panels that have the lip and use them for the conversion.
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Old July 27th, 2016, 12:46 PM
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Stock 93 AC and dash is long gone. I have a complete normal NAS vented dash. Looks like all I need is the vent covers, hinges, seals, and screens.
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  #9  
Old July 27th, 2016, 01:34 PM
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Quote:
Originally Posted by Wolf Fabrication View Post
Stock 93 AC and dash is long gone. I have a complete normal NAS vented dash. Looks like all I need is the vent covers, hinges, seals, and screens.
our trucks are almost twins. ordering the wobbling hula girl now...
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Old July 27th, 2016, 04:25 PM
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I converted a '93 NAS bulkhead from flat panels to vents.

Bent my own hinges that I tig'd on. Also made the bevel where the vent seals go. Used pop rivets to hold the screens on. Once it was galvanized it didn't look too bad.

BTW - that was the easiest of the work that was needed on that bulkhead.
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Old July 27th, 2016, 04:34 PM
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Getting a vented bulkhead, building it up off the truck, then swapping over long weekend sure sounds easier to me.

Gotta have vents to soak in that island breeze!
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  #12  
Old July 27th, 2016, 04:56 PM
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Quote:
Originally Posted by Overlander View Post
Getting a vented bulkhead, building it up off the truck, then swapping over long weekend sure sounds easier to me. Gotta have vents to soak in that island breeze!
Add getting it galvanized and I agree! I wouldn't want to cut the vent holes while mounted on a truck. It was a PITA to do it on the work horses.
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  #13  
Old July 27th, 2016, 05:32 PM
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Quote:
Originally Posted by Overlander View Post
Gotta have vents to soak in that island breeze!
Very true. I rarely use the AC, but having bulkhead vents would help significantly with air flow.

Honestly, vents are a nice a to have, but removing the bulkhead just to add them seems dumb. If I go that far I'd galvy it too.

------ Follow up post added July 28th, 2016 07:33 AM ------

Quote:
Originally Posted by don View Post
I converted a '93 NAS bulkhead from flat panels to vents. Bent my own hinges that I tig'd on. Also made the bevel where the vent seals go. Used pop rivets to hold the screens on. Once it was galvanized it didn't look too bad. BTW - that was the easiest of the work that was needed on that bulkhead.
Good insight, cheers
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  #14  
Old July 28th, 2016, 02:38 AM
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I would probably source a vented bulkhead then get it galvanized and painted (if you wanted).

Then take a couple of days to swap out with the one on your truck. You could take most of the dash apart and still drive around with it (at least I could with my 2.5NA) so when you could stagger the work load.

I felt cutting the vents was a job even on the "bench" so doing it in place could be a real bear!

I should have some pics of the process on my build thread and if not I can look in my files.

I love the vents - it makes it bearable when not having AC.
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  #15  
Old July 28th, 2016, 07:12 AM
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Never done it but it seems like it would be pretty simple to hog out the center of the vent area with a die grinder or dremel. You could leave just enough extra to pound the lip over.
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  #16  
Old July 28th, 2016, 09:14 AM
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Maybe ECR would be interested in an original NAS110 bulkhead. Seems a shame to cut original parts.
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  #17  
Old July 28th, 2016, 09:48 AM
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Sounds like the biggest issue is doing it in place. If you have to remove to cut might as well switch.
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Old July 28th, 2016, 10:14 AM
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The form is different. It would require welding to make work well. Don't do it.
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Old August 17th, 2016, 06:18 AM
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So I take it you're going to use the existing bulkhead and make all of the modifications to it.
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