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| (Finished) Putting AC on the XFi; Finally have cold air in the Metro! | |
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| Tweet Topic Started: Nov 4 2012, 06:19 PM (4,246 Views) | |
| Scoobs | Jul 11 2013, 05:24 PM Post #31 |
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:D
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before a/c 49~55 Hp after a/c What HP? |
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| JellyBeanDriver | Jul 11 2013, 06:47 PM Post #32 |
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From the sanden SD7B10 curves, if I read them correctly, is ~ 4 HP for a compressor RPM of 3K. http://www.sanden.com/originals/images/SD7B10_Performance.pdf For my pulley ratio of ~ 1.4X engine crank RPM, at 3K engine, compressor is turning 4.2K and per the graph that would be ~ 4.2KW or 5.6HP. Anyone know what the engine RPM is for a 1992 doing 65MPH on the freeway? Edited by JellyBeanDriver, Jul 11 2013, 06:48 PM.
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| Jordan | Jul 22 2013, 09:03 PM Post #33 |
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I'm not sure what compressor I have on my Swift, but when I had it charged, I did find it noticeable when the compressor kicked in and out. Definitely noticed the drag. Not as bad the OP finds it, but noticeable. This is the first 4-cylinder car I've had with A/C in a long time, could be normal. |
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| geostang | Aug 14 2013, 03:49 PM Post #34 |
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i got the gauges and an electric vacuum pump from harbor freight for 60 and 90 they work great I have used them on numerous vehicles since then |
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| Damneck | Aug 14 2013, 04:24 PM Post #35 |
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Advanced Member
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I got my gauges and vacuum pump on loan from autozone for free!! |
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| GeoZone | Aug 17 2013, 07:59 AM Post #36 |
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My coldness seems to have diminished. Guessing i still have a slow leak. :-( |
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| GeoZone | Aug 29 2013, 09:41 AM Post #37 |
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BTW, my diminished coldness was not from a leak but rather my recirc/fresh air switch cable had come disconnected. Once replaced I'm back to frosty again
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| nerys | Aug 29 2013, 11:31 AM Post #38 |
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Grr
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yeah little cars take a pretty big hit with the AC. my 89 tracker has a very noticeable "drag" when the compressor kicks on and its a 1.6L 4cyl. ! does not effect the mpg much on the highway (still get 35mpg) but has a big effect on the mpg local drive (32 to 28) |
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| nwgeo | May 15 2017, 02:37 PM Post #39 |
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Wow, a great read GEOz...AC weather coming so I was reading up on this. So many little things can go and not let the AC work. Gets over 90f in my area a lot, so I like AC. Yep I can feel it when it kicks on. |
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Welcome to the all new Geo Metro Forum. We hope you enjoy your visit.

(I've never had A/C in a 3 cylinder Metro, so I don't even know what the power loss is like)






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but rather my recirc/fresh air switch cable had come disconnected. Once replaced I'm back to frosty again
7:54 PM Jul 10