r-12 to ES12a conversion

[randy paquette]

Ok, I started all this.  Firstly it is an HC mixture so if you are concerned 
that it will blow you up stop reading here.  you use about 1/3 as much as 
you would for r-12 in the system.
I have found quite the opposite this far that Andrew pointed out.  My system 
leaks - need a new condenser- would loos a lb of r-12 in a month.  This was 
a stop gap measure and the head pressures are so much lower that I haven't 
lost any that I can tell thus far so it may be a more temporary/permanent 
measure especially with some sealer added.  Also, with only 1/2 the normal 
charge it was cooling as well as a full charge.  I'll know I've lost some 
when my comporessor starts to kick out on low press.
The performance is not as good as r-12.  But, I think it can be.  I've tried 
this in other vehicles and it works better than R-12.  Thus, I'm thinking of 
trying to replace the orifice tube as it is 16 years old and may not be 
restricitve enough.  Does anyone know the size of the stock unit?
Email privately if anyone wants to discuss this as I don't want a flame war 
over explosives, etc.  I'm just glad I don't have explosives in my steering 
wheel.

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