Reply to "A/C conversion"

rlee63a4Member

Will, I replaced everything but the evaporator when I switched to an R134a system; I didn't want to tear apart the dash to replace the evaporator & blower assembly. You really should have barrier hoses for 134a since the R134a molecules are smaller than R12 molecules. Therefore, the R134a will migrate faster through the R12 hoses, especially old R12 hoses. A larger condenser will also make up for the "less efficient" R134a as well.

Anyway, that's my 2 cents worth. I'm sure you'll find and hear all pros and cons, but this photo shows the results of my upgrade to R134a.

Enjoy,

Ron
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