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Old 04-29-2009, 10:14 AM   #1
thek5king
 
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Cool A/C - heater box removal

I have removed all of the crap for A/C as I have realized I will never use it again (and it would most likely never work again).....I have removed the compressor, lines,heat exchanger, Etc. But I still have the fan/heater core, but I would like to remove that and only have the heater core and fan, as I live in Michigan...In theory couldnt I find an assembly off a truck that didnt come with A/C and use it and maybe block off the firewall hole (if it is bigger than the box)? Would anybody have one to sell by chance? Thanks for the help, Trent
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Old 04-29-2009, 10:20 AM
Posted in reply to thek5king's post "A/C - heater box removal"
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toomany
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Mine was an AC truck to start with. The previous owner removed the "suitcase" and left the hole open. I made a box out of plexi glass to cover it. If you search around, you should find some more info. I know it's been discused before.

What part of Mi are you from?

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Old 04-29-2009, 10:55 AM
Posted in reply to thek5king's post "A/C - heater box removal"
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dyeager535
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Yes, you make a plate and use the heater components off of a non-AC truck. You need everything including the heater control head.

Assuming you don't like to be cold, be on the lookout for the "heavy duty heater" option, which uses a vented motor. All non-ac/non-HD setups use a motor without a vent hole. (the vent hole of that style motor is visible in the picture above, it's pointing towards the drivers side of the vehicle).

Otherwise, the "high" fan setting in the base heater setup is the same as "mid" speed with AC.
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"1985" K5: Vortec Headed Roller 355/MAF TPI/32 spline 465/205/10B-14SF/3.42's/33". Will be converted to MAP TPI in the future.

1987 K5: 350/TBI/700R4/208/10B F/R/3.73's/31" Someday will assimilate the "1985" drivetrain.

The answer to your carburetor problem is fuel injection.
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Old 04-29-2009, 11:55 AM
Posted in reply to dyeager535's post starting "Yes, you make a plate and use the..."
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There used to be a guy on evilbay that sold a "ac delete" panel/box for our trucks but I had looked for him recently and he is no longer a user.

I personally have ditched ALL the hvac stuff in my K5 and am going to be running a Summit "mojave style" heater. There are alot of guys using them, all with nothing but good stuff to say. The nice thing is they are tiny 6.5"high 9.5"deep 9.5" wide and from what everyone is saying they work great.
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Old 04-29-2009, 05:36 PM
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gone huntin
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I cut the evaporator out and fiberglassed my box.
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File Type: jpg heater box.jpg (160.1 KB, 3 views)
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Old 04-29-2009, 09:35 PM
Posted in reply to gone huntin's post starting "I cut the evaporator out and..."
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JDNobodi
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Here is a link for a A/C delet duct.
http://www.acdelete.com/pages/73-90_Truck.htm
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Check out the Headache Build dune Blazer.
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Old 05-01-2009, 12:50 PM
Posted in reply to JDNobodi's post starting "Here is a link for a A/C delet duct...."
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Thanks for the link but thats too rich for my blood, I think I'll try to make my own, now I have all summer so maybe I'll get something rigged..
-------------------
1987 Chevy K5 Silverado 350/700R4/208/10 bolts w/3.42 richmond gears
5" lift, Tube Bumpers, headers, dual Flowmaster 40's, throttle body spacer, all A/C **** removed, soon to have grille and lights off a 1991 suburban
35" boggers
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Old 05-01-2009, 12:57 PM
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There are other, better pictures on this board, but you can see the plate I made here.
http://dyeager535.topcities.com/TPI/pages/tpijune2.html

The heater box is stock, IIRC all the bolts line up, and the plate is held on with stock studs/bolts as well.
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Dorian
web page
parts for sale
"1985" K5: Vortec Headed Roller 355/MAF TPI/32 spline 465/205/10B-14SF/3.42's/33". Will be converted to MAP TPI in the future.

1987 K5: 350/TBI/700R4/208/10B F/R/3.73's/31" Someday will assimilate the "1985" drivetrain.

The answer to your carburetor problem is fuel injection.
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Old 05-01-2009, 03:21 PM
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i made a cardboard template and then cut and bent a sheet of thin gauge sheetmetal for a new cover. used sheetmetal screws to secure it to the firewall, and duct tape to seal it . I don't have any pics of it on the web, i'd have to snap some when I get home.
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Old 05-01-2009, 05:56 PM
Posted in reply to thek5king's post "A/C - heater box removal"
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Ok figured out the Photo thing. Anyway got my A/C box modified and ready to install. Got my layout transfered around the box, then after a few cuts and grinder work i attached the sheat metal with screws and caulked the surfaces from the inside. A little paint and a sticker or two.................DONE!
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