Old GC?

Messages
4,353
Location
FL
Today I was at an Autozone and I took a look at the GC. There was one quart with the red color scheme with M03 then behind it the rest had a Gold color schem with an older Castrol design that were M01. Are these still the same formulas or is one better than the other?
 
Messages
871
Location
virginia
the one with the yellow label is not GC. if you look on the back of the bottle yo uwill see its made in the USA. true GC is red label and has something like made in germany or imported from germany. the yellow is junk.
 
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