A. R134A TYPE. 1. HIGH-SIDE ... Charge as follows: R134A = 1.8 lbs R12= 2.0
lbs. No additional ... System must be evacuated and re-charged to exact weight.
That's why many people simply recharge their older R-12 air conditioning system
with ... Converting to R-134a typically reduces cooling performance somewhat,
and may require some ... After the modifications are made, the system is
recharged to about 85 to 90% of its original capacity with R-134a. .... R134a
GM recommends that vehicles with A/C systems designed for R12 be reserviced
... Once the vehicle has been retrofitted, it would cost a lot to convert it back. ...
that minimal changes will have to be made R12 systems to retrofit them to R134a.
www.ask.com/youtube?q=R12 to R134a Amount Conversion&v=__alchrw7CE
Jul 6, 2012 ... The A/C system in many older vehicles needs to be converted from R12
refrigerant to R134a refrigerant. This video shows you how to convert ...
Jun 12, 2005 ... I have a 1990 Miata which I wanted to convert to R-134a from R-12. ... lousy 10
bucks), a conversion kit from AutoZone that contained 3 cans of freon/oil, high
and .... If my memory serves me right, Miata has a 1lb 8oz. capacity.
Apr 14, 2013 ... In this update we focus on converting our old freon based R12 air conditioning
system to a ... R134a refrigerant (amount varies by model year).
Sanden Procedure for Conversion from R-12 to R134a. 1. ... on high speed for
five (5) minutes to optimize the amount of oil in the compressor. Recover all R-12
May 23, 2007 ... R12 to R134A Conversion on 1988 Mustang LX 5.O. Written by ..... With R134A,
you should charge to 85% of the R12 capacity. 36 ounces of ...
They would appear to be unfamiliar with the overbuilt, high capacity nature of the
AC ... I am sure all of you have heard when you convert from R12 to R134a that ...
(Mine was the first R134a conversion my mechanic had done on a 928.) Charlie
... The recommended R134a charge is about 80% of the R12 charge by weight.