Originally Posted By: PhoenixTL
Mobil 1 IS NOT Group 4....please do a search and educate yourself...most of the synthetics(M1, Pennzoil, Castrol) are all blends....
Amsoil and Purple are different animals
The oil's i listed above lets see some authentic documentation from the blenders @ EOM right now stating they are or are not! ,I'm waiting,,,nothing else will do but that,oh so there blends huh? blends of what??,proof? links from the blenders stating??
do we know for sure? [censored] no!, and educate my self..lol far from it pal.