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Originally Posted by masterbeavis
I dont know yet. I knew of a place in stockton ca that did radiators and hoses, that I would look up if I still lived there. I do know the return line is nothing special. The pressure line prolly will cause me fits.
Stuff I was told in regards to r12-r134a swaps.
new oriphice (sp) (smaller I think)
better condensor
hi and low side pressure shut off switch
im drawing a blank at the rest, had this convo a year ago.
What is the POA valve??
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Follow this link
Link to POA Adjustment
for how to adjust your POA for R134a.
If you have a stock, intact system, you are crazy to rip it all out and spend a grand on an aftermarket system.
First adjust the POA like outlined in the link above.
If you need factory lines I bought a set from a supplier - I think it was LMC.
Then just flush all the old oil out of what you got, put it all back together with new o-rings at all the connections, buy a new receiver/dryer, pour in the correct oil, suck it dry (pull a vacuum to remove any moisture), and fill it up with R134a.
I put new o-rings and a new receiver dryer in my '72 Chevelle (same system) in 1989 right before they banned R12. It STILL blows cold air. Now that car is far from a daily driver but it shows how good the factory system is.