Message text written by Bill & Skip Pugh
>I may be hallucinating but my mechanic told me that the conversion
to the new A/C stuff really only required changing the fittings to
accept the new fillers...?? That many A/C specialist were getting
rich that way...changing fittings and charging for new compressors,
etc.
I am sure wiser heads than mine will set the record straight if I
am wrong...of course turning on the A/C in Casper is a simple
matter of opening the cowl vent...:-)
<
There is a chemical incompatibility between the oil used in the R12 systems
and R134. The oil must be flushed out before the conversion can be made.
Otherwise your statement is correct although since R134 has only 85% the
density of R12 cooling capacity will be down. But since the AC usually
runs below capacity it should be adequate for most situations. Idling in
hot weather is where the loss of capacity will be noticed most.
Dave (currently undergoing a conversion)
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