R12 to R134

kvanderstel · 01-30-2004, 02:56 PM

I read some time ago, I think in Car Craft where they pumped R134 into an older a/c system and in their words "blew like winter". But I'm quite certain it wasn't a Ford, I don't know if that's an issue or not.

Is there an inexpensive solution here? I just put a new a/c condensor on my 86 5.0 so the system is empty right now.

Has the price of R12 come down? Should I just stick with R12 and forget about it?

Maroon 5.0 LX · 01-30-2004, 03:13 PM

R-134 won't cool as well in a Mustang as well as R-12 due to the size of the standard condenser. I converted my '89 last summer and it does a fair job, but not as good as it was.

If you convert, basically, you should replace the evaporator/drier, flush the oil from the system, change the oil in the compressor and install the proper oil for R-134. If you can swing the cost of R-12, use it.

Go to http://www.ackits.com and read the message boards and information about the proper way to do the conversion.

Scrapla · 01-30-2004, 03:36 PM

My car was converted from r-12 to r-134 and blows very cool, I was pleased with the conversion.

Hozer 88GTConv · 01-30-2004, 03:45 PM

I still cling to the R-12 b/c, as was stated before, it cools a hell of a lot better than R-134. I live in Florida though and one you need is AC.
Interestingly, the tree huggers have discovered that R-12 isn't the satanic evil they thought. It is still expensive though, about $50 a can I believe.

kvanderstel · 01-30-2004, 05:33 PM

Gee, I wonder if I could drive it over to Mexico and get it charged for cheap? Hmmmm.....

mardyn · 01-30-2004, 06:03 PM

We converted my '69 to 134 several years ago... it seems to work just a good as before... I think my friend has a case of R12 stashed away... he might want to sell it by now... I'll check with him if anyone is interested...

mardyn

Scrapla · 01-30-2004, 06:20 PM

I live in florida also and deal with this hot humid climate all the time, the 134 cools just fine, get it done by a proffesional and you'll have no problems with cooling.

01-30-2004, 02:56 PM	#1
kvanderstel Registered Member Join Date: Sep 2003 Location: Poway. CA Posts: 9	R12 to R134 I read some time ago, I think in Car Craft where they pumped R134 into an older a/c system and in their words "blew like winter". But I'm quite certain it wasn't a Ford, I don't know if that's an issue or not. Is there an inexpensive solution here? I just put a new a/c condensor on my 86 5.0 so the system is empty right now. Has the price of R12 come down? Should I just stick with R12 and forget about it?

01-30-2004, 03:13 PM	#2
Maroon 5.0 LX Registered Member Join Date: Mar 2001 Location: Southern Maryland Posts: 471	R-134 won't cool as well in a Mustang as well as R-12 due to the size of the standard condenser. I converted my '89 last summer and it does a fair job, but not as good as it was. If you convert, basically, you should replace the evaporator/drier, flush the oil from the system, change the oil in the compressor and install the proper oil for R-134. If you can swing the cost of R-12, use it. Go to http://www.ackits.com and read the message boards and information about the proper way to do the conversion. __________________ '89 LX 5.0 - 5 speed. Original Owner '94 E-150 4.9 Hi-Top Conversion Van '06 Mustang V-6, 5 speed

01-30-2004, 03:36 PM	#3
Scrapla Registered Member Join Date: Apr 2002 Location: Florida Posts: 532	My car was converted from r-12 to r-134 and blows very cool, I was pleased with the conversion. __________________ 90gt 347 and some bolt ons :-) RICE HATERS MEMBER #73

01-30-2004, 03:45 PM	#4
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	R-12 I still cling to the R-12 b/c, as was stated before, it cools a hell of a lot better than R-134. I live in Florida though and one you need is AC. Interestingly, the tree huggers have discovered that R-12 isn't the satanic evil they thought. It is still expensive though, about $50 a can I believe. __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy

01-30-2004, 06:03 PM	#6
mardyn Registered Member Join Date: Sep 2003 Location: Irving, Texas Posts: 14	Mine works OK too... We converted my '69 to 134 several years ago... it seems to work just a good as before... I think my friend has a case of R12 stashed away... he might want to sell it by now... I'll check with him if anyone is interested... mardyn __________________ '69 Shelby GT350 w/late model EFI 5.0L & T5... Kenne Bell S/C on the shelf now, and then going back to a 5.8L/EFI/S/C & T56 this fall... I hope... Next on the list, Ford GT40

01-30-2004, 05:33 PM	#5
kvanderstel Registered Member Join Date: Sep 2003 Location: Poway. CA Posts: 9	Gee, I wonder if I could drive it over to Mexico and get it charged for cheap? Hmmmm.....

01-30-2004, 06:20 PM	#7
Scrapla Registered Member Join Date: Apr 2002 Location: Florida Posts: 532	I live in florida also and deal with this hot humid climate all the time, the 134 cools just fine, get it done by a proffesional and you'll have no problems with cooling. __________________ 90gt 347 and some bolt ons :-) RICE HATERS MEMBER #73

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