I have a 2013 Thor Daybreak, on a Ford F53 chassis.I just finished putting in the chassis condenser, I added 4 cans of Freon, 48oz, my pressures are at 20psi low and, 170 high, 70 deg ambient temp. It...
I have changed to 134a. The cooling is not as good in a system made for R-12. As of today only one of my cars use R-12 but you never know when I'll get another, so I'll keep my supply of real R-12 and continue to buy when the price is right. R-22 will be phased out and that's why I also have 30lbs of that also.