The correct amount that the A/C folks reccomend is to put 90% of what the R12 was charged with. Some say 85%, I've used 90%, worked excellent.....
__________________
1977 Black Trans Am 180 HP Auto, essentially base model T/A.
I'm the original owner, purchased May 7, 1977.
Shut it off
Shut it off
Buddy, I just shut your Prius down... 
|