Home » Public Forums » GMCnet » [GMCnet] Frosty Cool / Dura Cool
| Re: [GMCnet] Frosty Cool / Dura Cool [message #218263 is a reply to message #218258] |
Wed, 14 August 2013 01:15   |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
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Emery - back to the old myth that if the proof of the pudding is in the tasting - couldn't we simply gauge this by outlet temperature? If the pudding is cold…
Larry Davick
On Aug 13, 2013, at 9:21 PM, Emery Stora <emerystora@me.com> wrote:
> Unless you purge out all of the existing refrigerant and refill you cannot go by pressures.
>
> If you put in a "shot" of Frosty then you would have a mixture so pressures don't have any interpretable meaning.
>
> However if you are indeed just low on refrigerant ant giving it a shot to see if you now have cooling might work. The question becomes how many shots do you need ?
>
> 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.
>>
>> 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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