Starting A/C project, using "V" belt |
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Starting A/C project, using "V" belt |
drive-ability |
Mar 27 2009, 07:26 PM
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#1
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Senior Member Group: Members Posts: 1,169 Joined: 18-March 05 From: Orange County, California Member No.: 3,782 |
As stated I am starting to look at what I need to do to build an A/C system for my 914.
Since my power steering seems to be working great I can move on to the next thing on the list.. I am using a "V" belt system and really don't want to change it over, besides the cost may be more than I want to spend. If someone knows a cheaper way to add a serpentine system let me know.. (I have a first generation SBC). My thought was to decide on a compressor and use the condenser, evaporator, dryer which go's with system.. I've looked into an electric compressor but I have enough amperage blasting through my car already and I don't know what voltage thy run on.. I may switch over to a electric water pump to free up space but I 'm not sure. suggestions welcome !!! |
ClayPerrine |
Aug 22 2009, 06:01 PM
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#2
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Life's been good to me so far..... Group: Admin Posts: 15,820 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille |
These are some nicely creative compressor mounts for the SBC conversions.
I can't help you with that part, but it seems you have it handled. What I can provide is help with the Condenser/Evaporator parts. The DPD system will work fine with 134a without switching the expansion valve. The problem is getting enough condenser area for the conversion. I setup the stock DPD AC with a small rotary compressor on Betty's car, and it was adequite, but not really cold. The head pressures were just too high with a stock DPD condenser. So I took the condenser housing apart, and replaced the little 4 inch fan with a 10 inch radiator fan. That helped, but it still didn't do the trick. So I added a secondary condenser on the underside of the engine lid. The idea, and the condenser, came from a 911 SC. It was truly bolt on, as all it needed was mounting brackets, and a hose. The fittings on the 911 SC condenser were the exact same size as the high side fitting on the compressor. I also added a 10 inch fan to the engine compartment condenser, and now I get middle 40 degree vent temps. Bottom line here is you need to up the condenser size from the stock condenser. If I were you, I would get the biggest one you can fit in front of the radiator, and get a modern aluminum one to boot. Good luck.. I am following this thread. |
drive-ability |
Aug 22 2009, 07:37 PM
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#3
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Senior Member Group: Members Posts: 1,169 Joined: 18-March 05 From: Orange County, California Member No.: 3,782 |
These are some nicely creative compressor mounts for the SBC conversions. I can't help you with that part, but it seems you have it handled. What I can provide is help with the Condenser/Evaporator parts. The DPD system will work fine with 134a without switching the expansion valve. The problem is getting enough condenser area for the conversion. I setup the stock DPD AC with a small rotary compressor on Betty's car, and it was adequite, but not really cold. The head pressures were just too high with a stock DPD condenser. So I took the condenser housing apart, and replaced the little 4 inch fan with a 10 inch radiator fan. That helped, but it still didn't do the trick. So I added a secondary condenser on the underside of the engine lid. The idea, and the condenser, came from a 911 SC. It was truly bolt on, as all it needed was mounting brackets, and a hose. The fittings on the 911 SC condenser were the exact same size as the high side fitting on the compressor. I also added a 10 inch fan to the engine compartment condenser, and now I get middle 40 degree vent temps. Bottom line here is you need to up the condenser size from the stock condenser. If I were you, I would get the biggest one you can fit in front of the radiator, and get a modern aluminum one to boot. Good luck.. I am following this thread. Thank You for your input, I am going to build a system one peace at a time. My radiator is 27 X 17, I hope that's big enough. I understand what your saying, we have to shed the heat. I have some powerful cooling fans and a 180 amp alternator. I also plain to use a pressure cycle switch like on most G.M cars. I really like the idea of having a good working AC system. |
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