With our compressors being built to run on r-12, the results expected when we convert to r134 are highly overestimated. The r134 takes longer to cool the car that the r12. I have r134 in my car, but it cools fine,even on a blazing hot Miami day. I rarely use my AC though.
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
Monochromatic Paint (Custom Blue)
Flat Badged (front)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS