Asa Jay, Gases 12 and 134 are the only ones to use. Others exist and do not contribute to a proper functioning system and they seem to be there for those who really have a need to buck, recreate, thinking to improve the now working fine 134 gas systems or believe the stupid tv commercials that this new gas will have a liquid oxygen airstream emitting from their vents. Yes, changing over a 12 to 134 seems hard, it is basic and straightforward. Each diff gas needs its own mechanical system of different automotive components and tools-service equipment for us the mechanics. It is ok that all is set up around 134 now as it works and is priced well. I used to convert Benz 94 to 01 E-Class 430 and 500s to a 3 condenser system that put two 12" x 12" parallel flow condensers with two rear mounted sucker 12" fans dumping into the front leading fender wells after receiving ambient air pressured through the lower grill gills and a short 12" tall by 28+-wide low front mounted unit-original space-with two 12" fans. Then the large mechanical cooling fan and shroud were removed and a 16" electric sucker placed on. Benefits were a much colder system (almost too cold at 100+ speeds), quieter fan noise = four 12" and one 16" fans were quieter than the oem mechanical and dual electric fans, a cooler running engine and bay because majority of a/c heat rejection was being fanned out and laminar velocity sucked out of the fender wheels or below the bumper, quicker engine response because of it's missing monster alloy fan and what felt like more of a air weighted front grill area aerodynamic body loading because the front end became better planted with less yaw at speeds over 120 and at higher speeds the front became planted as if I had put on an air damn, all because now the bay had lower air pressure build up. So a lot of work, time and money too improve an already fine system. Well, that is what gear heads do. Take care, Jeff Jeff Cobb- I pad W-225-343-7525 C-225-907-4514 Jeff Cobb Auto Works 1316 S. Acadian Thruway Baton Rouge, La. 70806 www.LiveOakConcours.org On May 21, 2016, at 1:14 PM, Asa Jay Laughton <asajay@asajay.com> wrote:
I don't wish to complicate anything, I was mostly just wondering, because I thought I'd heard there was something new out there. I'm not actually looking to work on an A/C, it's just a question that came up.
I know most folks have great luck with both the R12 and the R134a conversions. But if a person were starting out with a non-working stock system, is there a third option available and how does it compare to R12 and R134? I might be all wet here too, I just thought I'd heard there was something new out there.
Asa Jay
Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired & Shelley Marie Spokane, WA ****************************** http://w7tsc.org http://www.teampanteraracing.com
On 5/21/2016 10:49 AM, Julian Kift wrote:
I have done quite a bit of work on Pantera A/C systems of late, both R-12 and R-134a conversions, both refrigerants are available, why do you want to complicate things?
Julian ________________________________________ From: DeTomaso<detomaso-bounces@server.detomasolist.com> on behalf of Asa Jay Laughton<asajay@asajay.com> Sent: Saturday, May 21, 2016 10:38 AM To: detomaso@server.detomasolist.com Subject: [DeTomaso] Air Conditioning re-visit
Alright, so we know the cars came with R-12 and then sometime in the not too distant past cars converted to R-134.
Was there a -new- refrigerant talked about recently that is replacing R-134? Is it better? Is it worse? Can it work with R-12 or R134 components?
Does anyone have the inside scoop on A/C systems today?
Asa Jay
Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired & Shelley Marie Spokane, WA ****************************** http://w7tsc.org http://www.teampanteraracing.com
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