Originally Posted By: D189379
Originally Posted By: IndyIan
Its just marketing stuff, T6 = full synthetic, T5 = semi synthetic, the other stuff is dino.
The only anomaly is T5 0W40 which is a full synthetic, but I don't think you'll find it in your neck of the woods...
The T5 0w40 I have is semi-synthetic.
Interesting-if that's the case, that's the first 0W I've ever heard of that was NOT a full synthetic-maybe Johnny has some insight on this??