Home » Public Forums » GMCnet » [GMCnet] Frosty Cool / Dura Cool
Re: [GMCnet] Frosty Cool / Dura Cool [message #218262 is a reply to message #218259] |
Wed, 14 August 2013 01:10 |
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ljdavick
Messages: 3548 Registered: March 2007 Location: Fremont, CA
Karma:
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Senior Member |
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Yet to give a full report, but I used the Duracool R-22 replacement along with some snake oil (that really works!) called Duraseal and Duradry in my roof air. Oh. I bought a tap valve too to gain access to the system.
After a false start and some gyrations I vacuumed the system and then shot the juice to about 70# low side. So far it seems to cool, though it takes a moment. I haven't really tested it yet…
Oh, the question didn't really pertain to this?
Larry Davick
On Aug 13, 2013, at 9:23 PM, Emery Stora <emerystora@me.com> wrote:
> NO. Don't put it in the roof air. It is the wrong refrigerant. Your roof air is in a welded, sealed chamber so the refrigerant shouldn't leak out. There are no seals or hoses to leak as your dash air has.
>
> Emery Stora
>
> On Aug 13, 2013, at 10:09 PM, Mickey Space Ship Shuttle <mickeysss@me.com> wrote:
>
>> my 12 cans of frostycool came in today, should i use it? is it ok and as good as duracool?
>>
>> My dash air is a little weak but has a small amount of coolness to it, it has not been filled in maybe 6 years,
>>
>> i would suppose it has leaked some out, Should i just give it a shot of frostycool and see what happens.
>>
>> what psi on high and low sides should i shoot for. if i may ask for help to anyone, thank you Mickey anaheim ca. 77 palm beach.
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>> Is there a way to also put this stuff in the roof air? best regards
>>
>>
>>
>>
>> On Aug 13, 2013, at 8:46 PM, Emery Stora wrote:
>>
>>> The propane that we burn in our ovens and furnaces is very impure with a lot of other things besides propane in it. The other things in it might have a very negative impact on your cooling system. The propane used in Duracool and such HC12a refrigerants is highly purified propane.
>>>
>>> I would not consider trying to make my own, and I am a Chemical Engineer.
>>>
>>> Emery Stora
>>>
>>> On Aug 13, 2013, at 3:48 PM, A. wrote:
>>>
>>>>
>>>>
>>>> The people that sell Duracool and Frostycool may or may not put other additives in their products, but the basic refrigerant in both is a mix of approximately 64% propane and 36% butane by mass.
>>>>
>>>> You can make your own with an "empty" propane tank (with only some propane vapor in it), some fittings, some propane, and a 450 gram can of Campingaz, which is 80% butane. Combine 19.4 oz of propane to one 450 gram can of Campingaz to make 35.26 oz of HC12.
>>>> --
>>>> '73 23' Sequoia For Camping
>>>> '73 23' CanyonLands For Sale
>>>> UA (Upper Alabama)
>>>> "Time is money. If you use YOUR time, you get to keep YOUR money."
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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