Vintage Air Gen IV Magnum

Area for stock and aftermarket air conditioning.
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sonoraed
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Vintage Air Gen IV Magnum

Post by sonoraed » Tue May 12, 2020 6:33 am

Does the gen IV fit in a FSJ ,answer yes like it was made for the fsj,Image

Biggest challenge for me at least was ac lines and heater hosesImage


Image

Of course there are other issues to consider,defrost ducts,dash vents,type of controls to be used,firewall wall mounting,condenser,drier,hoses and lines, compressor, etc


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Re: Vintage Air Gen IV Magnum

Post by sonoraed » Tue May 12, 2020 6:38 am

I know lots of you have installed AC in your Jeeps, so please post pictures of your ride and share skills!Image


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irondawg
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Re: Vintage Air Gen IV Magnum

Post by irondawg » Tue May 12, 2020 8:15 am

Thanks for starting this thread! Once I start installing mine, I'll post up here as well.

Quick question - I see that the unit mounts to the firewall, was there a strap or mount from the top to the inside dash?
1978 Cherokee Chief WT in a thousand pieces
Previous Jeep: 2001 Grand Cherokee

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Re: Vintage Air Gen IV Magnum

Post by sonoraed » Tue May 12, 2020 4:09 pm

Here’s a picture of gen IV and bracketsImage
Image
First view is looking at unit from back side (toward dash) blower on the right,ac ducts left,defrost ducts center left.

Next view is parts that come with universal evap,note the brackets (lower right) large bracket mounts unit to firewall,smaller bracket to dash.

Additional parts needed inside cab will be defrost duct (defrost ducts supplied are not long enough), must use Vintage Air controls to operate unit 79 era can use 3 knob/lever (must use some kind of plate over oem heater controls) or 86-91 oem head can be modified with cable converters.

Easy way for AC vents is to buy the underdash vent system from VA (can be painted to match dash), in my truck we used small aluminum vents and made a plenum to conect duct hoses, if I had the chance to do it again would have welded extension to bottom of dash for larger ac vents.

Last is lines and hoses which is the tough part,your going to have to patch holes in firewall by welding them up or bolting in metal plates, aluminum 4 port bulkheads look cool on a clean firewall but are a real challenge because of limited space to make 90 degree turns from heater out/inlets to bulkhead,ac lines can go out oem hole in firewall.



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Re: Vintage Air Gen IV Magnum

Post by sonoraed » Wed May 13, 2020 8:38 am

Image
Image

universal condenser and drier with trinary switch, also used 2 port bulkhead, but can still run the hoses thru the original opening top left of drier

Note: oem style drier doesn't have switch port,the trinary switch is low/hi pressure compressor cut off switch and electric fan switch very useful if using electric radiator fan to provide input to fan controller or to run aux condenser fan with relay

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Last edited by sonoraed on Thu May 14, 2020 6:29 am, edited 3 times in total.

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Full Size Jeeper
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Re: Vintage Air Gen IV Magnum

Post by Full Size Jeeper » Wed May 13, 2020 7:36 pm

Thanks for posting up the pics of your install. This will be a big help for us trying to get some cool air in our rigs. Darin.
1978 Jeep Wagoneer

401/turbo 400 transmission Quadra-Trac BW1339 (with Low) 4" Rusty's lift with 31" Summit Mud Dawgs

Mods:
Fuel Tank, Red Holley Electric Fuel Pump, Razor Grill, Rebuilt steering box


irondawg
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Re: Vintage Air Gen IV Magnum

Post by irondawg » Thu May 14, 2020 7:05 am

Keep 'em coming! Excellent work. Did you make the hoses and pipes yourself?
1978 Cherokee Chief WT in a thousand pieces
Previous Jeep: 2001 Grand Cherokee

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Re: Vintage Air Gen IV Magnum

Post by sonoraed » Thu May 14, 2020 9:31 pm

irondawg wrote:Keep 'em coming! Excellent work. Did you make the hoses and pipes yourself?
Yes sir, I make tubes and hoses for a living,Thank you


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Full Size Jeeper
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Re: Vintage Air Gen IV Magnum

Post by Full Size Jeeper » Fri May 22, 2020 10:37 pm

The condenser you sent me fits perfect. Thanks.
Image
1978 Jeep Wagoneer

401/turbo 400 transmission Quadra-Trac BW1339 (with Low) 4" Rusty's lift with 31" Summit Mud Dawgs

Mods:
Fuel Tank, Red Holley Electric Fuel Pump, Razor Grill, Rebuilt steering box

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Full Size Jeeper
Posts: 41
Joined: Mon Feb 23, 2015 9:14 pm
Location: Mandeville Louisiana

Re: Vintage Air Gen IV Magnum

Post by Full Size Jeeper » Fri May 22, 2020 10:38 pm

Image
1978 Jeep Wagoneer

401/turbo 400 transmission Quadra-Trac BW1339 (with Low) 4" Rusty's lift with 31" Summit Mud Dawgs

Mods:
Fuel Tank, Red Holley Electric Fuel Pump, Razor Grill, Rebuilt steering box

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sonoraed
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Re: Vintage Air Gen IV Magnum

Post by sonoraed » Sat May 23, 2020 7:56 am

Great glad it worked out, saves a lot of time not fabricating mounting brackets, please post a picture of dryer and tube when you get them installed, I am interested in the length's of tube from condenser to drier, Cheers

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jpswapmohn
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Re: Vintage Air Gen IV Magnum

Post by jpswapmohn » Sat May 23, 2020 8:47 pm

This was our install, at least the pics I took of it, and the very cool dash that Page Customs customized for me.

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One day I will wake up and realize that my jeep is complete...one day, I just know it.
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