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06-26-2009, 11:38 PM | #19 |
The one with cheese on it
Drives: '10 Corolla S Join Date: Oct 2008
Location: Sugar Land, TX
Posts: 380
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Update:
Yes, I had the circulation backwards. However, I did some more research. Insulating the high pressure side will not improve cooling. Some mechanics sites say it'll do nothing....others say it'll put more pressure on the compressor, and blah, blah, blah. Personally, I have not seen ANY positive results on insulating the High Side. In the meantime, I am going to research for insulation that withstand higher temps. |
06-27-2009, 12:33 AM | #20 |
Drives: 2008 HB, A/T, Power W/L/M Join Date: Oct 2008
Location: LI, New Yawk
Posts: 2,063
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Those foams you installed are in the vicinity of the very hot exhaust manifold.
212F is what water boils at. It's not really that hot when thinking in terms of an engine. I'll pass on this one myself....
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06-27-2009, 01:24 AM | #21 |
Drives: 08 Yaris Sedan Join Date: Oct 2008
Location: California - Bay Area
Posts: 2,773
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A/C temp is directly affected by outside ambient temperature. So from different times of the day and different days you are going to get different results.
I get cars in my shop on extremly hot days saying thier ac is not cooling as efficently as before. But yet thier a/c is fully charged. So charging wont make a difference.
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06-27-2009, 06:10 AM | #22 |
vroom vroom
Drives: lil red 5-door Join Date: Sep 2006
Location: Bangkok, Thailand
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what an interesting idea, can certainly be useful here in our hot hot tropical days, the AC can really struggle sometimes...
I have a friend who works at an airconditioner repair workshop, maybe he can get his hands on the high-temp stuff
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06-27-2009, 07:11 AM | #23 |
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I just sent off some e-mails to companies about their mineral wool pipe insulation for pricing. I'm having trouble finding this stuff.
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42.88 |
06-27-2009, 07:12 AM | #24 |
╚══════════RN
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NiNjA pOsT!
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06-27-2009, 07:20 AM | #25 | |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
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Quote:
http://www.mcmaster.com/#pipe-insulation/=2hwsny |
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06-27-2009, 07:29 AM | #26 |
╚══════════RN
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Thanks Scott!
How long is this pipe by the way? Hmm, that site has a 2'x4' sheet for 6 bucks, not bad.
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06-27-2009, 10:16 AM | #27 |
Drives: 2008 meteorite hatchback Join Date: Nov 2008
Location: Illinois
Posts: 960
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Fantastic idea! I did this yesterday after I got home, except I used fewer zip ties and employed the use of aluminum tape. With the aluminum tape, the air temperature recorded on the meat thermometer was 37 degrees! Best cheap thing I've done to my car hands down.
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06-27-2009, 10:44 AM | #28 |
╚══════════RN
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Did you do both lines?
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06-27-2009, 11:04 AM | #29 |
Drives: 2008 meteorite hatchback Join Date: Nov 2008
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You mean the high pressure and low pressure? No, just the low pressure going into the cabin. My hands aren't small enough to work with the high pressure lines.
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06-27-2009, 03:22 PM | #30 |
Banned
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06-27-2009, 06:13 PM | #31 |
The one with cheese on it
Drives: '10 Corolla S Join Date: Oct 2008
Location: Sugar Land, TX
Posts: 380
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06-27-2009, 06:33 PM | #32 |
Drives: 2008 meteorite hatchback Join Date: Nov 2008
Location: Illinois
Posts: 960
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You can also find the aluminum tape at Menard's and Home Depot in the home ventilation section.
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06-27-2009, 06:45 PM | #33 |
The one with cheese on it
Drives: '10 Corolla S Join Date: Oct 2008
Location: Sugar Land, TX
Posts: 380
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06-27-2009, 07:04 PM | #34 |
The one with cheese on it
Drives: '10 Corolla S Join Date: Oct 2008
Location: Sugar Land, TX
Posts: 380
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Ah. I see. So far, mine hasn't melted. In fact, after doing some errands, I checked the insulation and it wasn't hot to the touch. But I did burn my left forearm from grazing the engine surface.......again.
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06-27-2009, 07:51 PM | #35 |
Drives: 2008 Yaris Meteorite LB Join Date: Feb 2009
Location: Southern Michigan
Posts: 61
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I got half of this diy project done this PM and I believe that it helped already! At the only contact between the high and low pressure lines I slide a piece of thin aluminum pie tin. After a short drive today high pressure line was not even warm...but maybe I didn't drive long enough.
Great pics and a really good project!!!!! Thanks...... |
06-27-2009, 08:07 PM | #36 |
Drives: 2008 meteorite hatchback Join Date: Nov 2008
Location: Illinois
Posts: 960
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There's another section of the low pressure line pretty far down in the engine bay - right where the rubber hose ends and just before the a/c compressor. About an hour ago I spent about 20 minutes wrapping that in the foam insulator and the aluminum tape, then I drove the car for a while. The air temp dropped another degree. Just an fyi.
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