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10-20-2015, 05:48 PM | #1 |
Registered User
Join Date: Jun 2013
Location: Michigan
Posts: 304
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LS factory compressor?
Installing an LS and was wondering if anyone is using the stock LS compressor with the vintage air set up? Can you use this to save on cost of the full air condition kit? Just wondering. The LS I have has all the components on it so I figured why not use this too.
Thanks
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My Build: 1948 Chevy Thriftmaster. Mustang 2 front end, LS1, 700R trans, Explorer Rear end. http://http://67-72chevytrucks.com/vboard/showthread.php?t=606670 |
10-20-2015, 06:09 PM | #2 |
Registered User
Join Date: Nov 2010
Location: calgary alberta
Posts: 8,334
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Re: LS factory compressor?
not sure because the ls compressor is cycled by the ls computer. need an ac guy to answer that one. it would be good to know since I will be in the same quandary with my build one day.
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10-20-2015, 07:06 PM | #3 |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,131
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Re: LS factory compressor?
I was told by Vintage that the LS compressor is a variable compressor and would not work with the VA kit. I have also heard on here that others have used it so I would call them to make sure.
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10-20-2015, 07:07 PM | #4 |
Registered User
Join Date: Mar 2012
Location: Lakes Region NH
Posts: 3,200
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Re: LS factory compressor?
The stock compressor should be able to handle the job. We use them on larger bus systems. But there may be a difference between the type of connection on the OE compressor and the VA unit. If you know someone who makes A/C hoses then you're all set.
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10-20-2015, 08:42 PM | #5 |
Registered User
Join Date: Mar 2012
Location: Lakes Region NH
Posts: 3,200
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Re: LS factory compressor?
Sorry... didn't get back in time to edit the previous post.
The LS Compressor is a variable displacement compressor. It is typically used with a fixed orifice tube like those found in many GM vehicles from the late '70s up. The VA system uses a fixed displacement compressor and a thermal expansion valve to control flow through the evaporator based on load. Sometimes a hybrid system will hunt, with both the compressor and the expansion valve to control evap temp but actually causing temperature variations. There are vehicles using a vairable displacement compressor and a thermal expansion valve. Some of our buses have a hybrid system with a fixed orifice on the front evaporator and an expansion valve on the rear evap. They work well. You could look for a Sanyo clone compressor to try and save $$ if you don't want to mess with the OE compressor. |
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