It's been spoke of many times here at BITOG as far as engine oils containing dye's in them which make oils appear to have differences...
I've used Valvoline, Castrol, and Mobil C 5000 and Havoline in the past 2 years, and each brand is somewhat different in color... Recently I used Havoine, and it by far is the darkest engine oil of all the brands I've used. Is this really because of dyes or differences in additives, or quality? Valvoline; although, the least preferred is the abolutely the cleanest looking oil of any I've seen. You can't even see it on the stick after you fill your engine with it. It's almost water clear, but not quite. So what is the fact of what I'm bringing up here for discussion. I would like to hear from someone who really knows, or who as spoken about this in the past.
I've used Valvoline, Castrol, and Mobil C 5000 and Havoline in the past 2 years, and each brand is somewhat different in color... Recently I used Havoine, and it by far is the darkest engine oil of all the brands I've used. Is this really because of dyes or differences in additives, or quality? Valvoline; although, the least preferred is the abolutely the cleanest looking oil of any I've seen. You can't even see it on the stick after you fill your engine with it. It's almost water clear, but not quite. So what is the fact of what I'm bringing up here for discussion. I would like to hear from someone who really knows, or who as spoken about this in the past.