To compare vehicle air conditioning performance of an Izusu truck system using a Panasonic rotary compressor with originally fitted Polyakyleneglycol (PAG) lubricant to ROC Oil 68 AA1 air conditioning compressor lubricant.
To demonstrate the effectiveness and reliability of ROC Oil AA1 and AA3 when used in a variety of reconditioned automotive compressors. The compressors used include Sanden, Unicla, Matsushita, Seiko Seki, Zexcel and GM
To demonstrate the effectiveness and reliability of ROC Oil AA1 when used in a variety of swash plate reconditioned automotive compressors and bus compressors.