I HAVE USED CASTROL GTX 20-50 FOR MANY YEARS IN LOTS OF MUSCLE CARS INCLUDING 2 COBRAS AND MY BOATS IN HOT WEATHER. LOTS OF
OIL PRESSURE AND NO ENGINE OILING PROBLEMS IN 20 SOMETHING YEARS. MY '02 RAM AIR TRANS AM GETS 10-30 GTX BECAUSE THE DEALER WARNED ME OFF THE MOBILE 1.
I TOO HAVE HEARD SOME STORIES ABOUT ENGINE BUILDERS REQUESTING NON-
SYNTHETIC OILS. I DON'T KNOW IF SOUTHERN CLIMATES HAVE SOMETHING TO DO WITH THIS THINKING.
B. SMITH