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C171/SD709 A/C compressor swap

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Old Aug 24, 2011 | 06:52 AM
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Jim Lane's Avatar
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C171/SD709 A/C compressor swap

Ok guys, show me your work.

I know that some of you have talked about and others have actually converted the non intercooled C-171 compressor on your 1991 to use the intercooled style Sanden SD709.

How are they working, any noticeable cooling difference because of the difference in displacement 170cc vs 154cc?

Have you actually got the lines connected and a working system,

What refrigerant are you using R-12 R-134a ?

It looks like the lines can be converted using custom stubs to the compressor.

So does anyone have any pictures of their install, I want to start gathering parts although I am currently running a new C171 but I want to use a newer Sanden unit.

What did you use for the hoses, I was thinking about having fittings welded on to my old line so I could replace my hoses using common barrier hose making them a repairable unit.

So show me what you did.

Thanks Jim
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