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#1 |
Gettin By on Gettin By
Join Date: Jan 2008
Location: Cedar Creek, Tx
Posts: 1,033
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Converting stock AC to orafice tube and acumulator??
Anyone tryed this using the stock evaporator?? I've seen picture of some trucks with an acumulator and orifuse tube, but not sure if there is a budget way of doing it. I figure i'll need just an acumulator off a 75 or 78 chevy and a retrofit orafice tube kit. Am i wrong??
If this can be done, what to do with the pressure valve tube that is built into the stock evaporator?? ttt Last edited by jayharrell; 03-25-2008 at 02:21 AM. |
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#2 |
member #16
![]() Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: Converting stock AC to orafice tube and acumulator??
OLD AIR PRODUCTS has a kit, but it is not a economy kit.
http://www.oldairproducts.com/shop/i...87bf277e1c16e0
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors ![]() http://www.flickr.com/photos/1745471...7602865984234/ |
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#3 |
Senior Member
![]() Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,946
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Re: Converting stock AC to orafice tube and acumulator??
I used a mid 70's evap and had hoses made to fit, added a pressure switch for the compressor clutch, and bammo! A/C is cold. I can track down some part #'s if you want.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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#4 |
Registered User
Join Date: Dec 2007
Location: Santa Maria, Ca.
Posts: 1,423
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Re: Converting stock AC to orafice tube and acumulator??
I kept all the stock parts and install the orifice tube with the compressor switch. had to cut and weld on one new fitting, new stock expansion valve and bought a new aluminum condenser and Sanden compressor. spent about $600 and it gets the cab down to about 60 degrees. haven't tried it in really hot weather yet. Changed it all to 134a refrigerant.
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#5 |
Gettin By on Gettin By
Join Date: Jan 2008
Location: Cedar Creek, Tx
Posts: 1,033
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Re: Converting stock AC to orafice tube and acumulator??
clay
what did you do with the smaller tube that is part of the stock evaporator??? Any pics by chance?? |
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#6 |
Senior Member
![]() Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,946
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Re: Converting stock AC to orafice tube and acumulator??
Which tube do you mean? The later evap's lower (hi side) tube holds the orifice and has a short length of hose out to the condenser. It exits the evap case straight forward and low, just above the framerail and inner fender. My stock evap was pretty oily (poss leak), so I was planning on replacing it anyway. That's where the whole later-model evap mod started.
I'll have to see if I have some pics. If I don't, I'll get some this week.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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