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#16
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Never a dull moment at Berry Hill Farm. |
#17
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I saw a case of 12 sell for around $170 a while back, 14oz cans. Only on ebay.
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#18
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I nkow the Autozone by me has it. It was awhile ago that I asked but I think he said it would have to be ordered as well as me having a 609. Maybe I should take the test and start selling this stuff for $20/can, then after I sell 3 I'd have my license paid for.
Regarding the questions on the test, aren't they more about the environment than servicing an A/C system? I heard that a couple questions are pretty tricky. Thanks David
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_____________________________________________ 2000 Honda Accord V6 137k miles 1972 300SEL 4.5 98k miles _____________________________________________ |
#19
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Just curious if anyone has used propane and Isobutane?..
I have seen it used by others and you can make ice cubes ... let the flaming begin.. but as you do... tell me how in the world you would get the right combination of air and fuel to ignite a system with proane in it? PS I do not have it in my sytems. |
#20
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Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche |
#21
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http://cathey.dogear.com/cwair.html -- guy who uses it in multiple vehicles...
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John Robbins '05 E320 CDI - 240k '87 300TD - 318k |
#22
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However, I now have really cold a/c both in my 300D and 240D.
__________________
Never a dull moment at Berry Hill Farm. |
#23
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Any of you a/c guys heard of a product called "cryo-seal"?
__________________
1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350 |
#24
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MB-less |
#25
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I know... but did you know.. The average female might have almost that much propane in the propellants of the various products she has in her bathroom. |
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CONVERSION: R12 to R134(A)
Due to smaller post-atomic particle size of R134 versus R12 ,heat transfer
coefficient is less.[R134 wiil carry away less of the passenger compartment heat as compared to R12] To maintain the same efficiency,a Parallel Flow Condensor [30% more efficient than O.E.M.] is necessary. Even with a P.F.C. a conversion will never equal the vent temperatures possible with R12 in a O.E. R12 system. R12...30 Degrees "F" at the vents [without a frozen evaporator] R134... Maybe 45 Degrees "F" at the vents. |
#27
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Thank you for explaining all that in such simple terms. In my current search for R12 many techs have tried to convince me to convert to R134a. I tell them that the high pressures of the system will probably send my compressor to the graveyard after two summers of intense use. Also, my system, having been designed for R12, may suffer consequences in parts that I don't even know of.
I tried to charge with R12 today but it didn't even go into the system. Just a little bit did, enough to allow the compressor to engage. Something is blocked in the system thereby preventing the refridgerant from flowing around it. I'll get the system flushed and then try again. It held vacuum steadily for 20 minutes so I know I have no leakages. I ended up using the R12 can (which I had already opened) to top off the system in my Honda Civic.
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1999 Mercedes-Benz S600, 103K miles - garage queen 1988 Mercedes-Benz 560SEL, 89K miles - daily driver 2007 Hyundai Sonata Limited, 31K - daily driver |
#28
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anyone tryed propane/butane mix instead of R12? It works, it’s cheap, Australians use it.
Tom |
#29
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I went to Autozone and they say they haven't sold R-12 in years. Guess it's a regional thing.
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-Dave |
#30
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Quote:
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Never a dull moment at Berry Hill Farm. |
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