I don't have any history for the car.. We assumed that it was r-12, since there were no other stickers on the car, and r-12 fittings only..
I only had use of the gauges for a short period of time.. That's all I have for now..
89 300SEL Money Pit
92 Blown Buick Ultra Pimpmobile 220K and adding 1K per week
88 Wagoneer Slightly modified (Not for soccer moms)
04 Kia Sedona with every option... NICE