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A/C delete ?'s

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Old Nov 15, 2003 | 10:04 PM
  #1  
Need4Speed1387's Avatar
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From: Gurnee, IL
Car: '86 IROC
Engine: 305 LG4 awaiting the crate Vortec 350
Transmission: 700R4
A/C delete ?'s

So when i got my car i noticed the ac compressor is gone along with all the hoses. i don't mind not having air conditioning, so i removed the ac core (i guess you would call it). how can i get rid of the big space that it takes up right now? i know i could prolly just throw some sheetmetal over it, but there has to be a different model that came on non-ac cars right? and is there anything else i need to do when deleting my a/c? thanks!!
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Old Nov 16, 2003 | 07:35 AM
  #2  
86IROCNJ's Avatar
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From: Central NJ
Car: 86 Iroc-Z28
Engine: FB385
Transmission: 700r4
https://www.thirdgen.org/techbb2/sea...der=descending Here ya go, try doing a search for things. Most likely they have been discussed before.
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Old Nov 16, 2003 | 02:42 PM
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From: Maryland; USA
http://members.***.net/iroczdave1/IR...rts%20Page.htm

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Old Nov 16, 2003 | 02:48 PM
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I chopped off the big part that sticks out, cut sheetmetal to fit over the opening, fiberglassed it in place, and then sprayed the whole thing with rubber undercoating. Works great so far, I just need to reinstall the resistors for the blower motor so I have more settings than high

Here's a pic

Matt
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Old Apr 17, 2004 | 05:17 AM
  #5  
Ions91Z28's Avatar
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From: Warner Robins, Ga
Car: 1991 Camaro Z28
Engine: 350 TPI
Transmission: 700R4
Originally posted by MdFormula350
http://members.***.net/iroczdave1/IR...rts%20Page.htm

What does that part in the middle do, not the blower motor.

I have a sheetmetal A/C delete box with just a spot for the motor.
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Old Apr 17, 2004 | 01:35 PM
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I believe that's the resistors for the blower motor. They regulate the voltage that the motor sees, so you get your low and medium settings. High is controlled by it's own circuit.
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Old Apr 17, 2004 | 04:14 PM
  #7  
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From: winthrop harbor, il & plymouth, il
Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
here is what i did. i took a piece of sheetmetal and riveted into place. i still need to do the hole for the blower motor but the ac compressor area is filled. i am ditching the heater and ac. i am planning on buying one of those under dash heating units so i can defrost the windows but thats it.
Attached Thumbnails A/C delete ?'s-ac-delete-528-x  

Last edited by spartyon; Apr 17, 2004 at 04:17 PM.
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Old Apr 17, 2004 | 06:55 PM
  #8  
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From: Queens, NY
Car: 87 IROC Z28
Engine: Custom Forged 355
Transmission: 700R4
Axle/Gears: 9" 4:11's Detroit Locker
my plans eggzactly...
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Old Apr 17, 2004 | 10:59 PM
  #9  
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From: Southwest Chicago 'burbs
Originally posted by spartyon
here is what i did. i took a piece of sheetmetal and riveted into place. i still need to do the hole for the blower motor but the ac compressor area is filled. i am ditching the heater and ac. i am planning on buying one of those under dash heating units so i can defrost the windows but thats it.
A little off topic, but how do you like the holley digital module? I have one sitting on the floor behind me, and hopefully will get around to installing it tomorrow. Has it been pretty reliable? I picked up the digital module and lazershot pro coil brand new for $100 shipped

Looks like a very high quality piece, weighs about 5 lbs too
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Old Apr 18, 2004 | 07:34 PM
  #10  
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From: winthrop harbor, il & plymouth, il
Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
i did a little reading about it and it is very comparible to others so i figured why not. i got it new for 100 from jegs when they where being clearanced out. i havent tried it yet as the car isnt running. i am getting closer to finishing the motor though.
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Old May 27, 2004 | 02:48 PM
  #11  
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Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
Can you cover the rectangular hole with sheetmetal and still install the blower motor and have heat (fabricating an enclosure that holds just eh blower motor and relocating the resistors)? Basically, is there a reason that the a/c delete box sticks out from the firewall where the A/C stuff used to be? It's tough to find an a/c delete box without massive rust and i figure it'd look better if it were just a bare firewall there anyway.
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Old Jun 27, 2004 | 08:23 PM
  #12  
ss85tadude's Avatar
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From: NorthEast GA
Car: 85 Trans Am
Engine: 305 TPI
Transmission: 700-R4
Originally posted by JeremyNYR
Can you cover the rectangular hole with sheetmetal and still install the blower motor and have heat (fabricating an enclosure that holds just eh blower motor and relocating the resistors)? Basically, is there a reason that the a/c delete box sticks out from the firewall where the A/C stuff used to be? It's tough to find an a/c delete box without massive rust and i figure it'd look better if it were just a bare firewall there anyway.
This is what I want to do also. It just seems alot easier and would look alot better.
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Old Jun 28, 2004 | 04:50 PM
  #13  
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From: Buffalo, NY
Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
After my last post, I took a better look at how the system works. If you want to keep your blower motor functional at all, you can't cover over that rectangular hole. That's the point where air from the blower motor enters the passenger cabin. So pretty much, you need both holes in the firewall (circular and rectangular) to have any functionality If you're really looking for a bare bones no HVAC whatsoever system you can eliminate both holes. I have a very rusty A/C Delete box that i'm going to try to clean up and repaint. If anyone is selling one with little to no rust, let me know!
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Old Jun 28, 2004 | 07:51 PM
  #14  
chevyrumble83's Avatar
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Car: 1983 Z28
Engine: 350
Transmission: TH350
just take one from a no AC thirdgen
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Old Jun 28, 2004 | 09:23 PM
  #15  
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From: Southwest Chicago 'burbs
Originally posted by chevyrumble83
just take one from a no AC thirdgen
Only problem with that is that they are very hard to find, and cost $75 and up if you can find one
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Old Jun 29, 2004 | 04:11 PM
  #16  
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From: Buffalo, NY
Car: 1984 Trans Am
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Axle/Gears: 10 bolt w/ 4.10 gears
actually, at least in the northeast, the biggest problem is that any one you find in a junkyard will be severely rusted
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