Originally Posted by RonMaiden
Odd stories. I used M1 in my 400hp Eclipse that saw 400+ timeslips at the strip over 8 seasons,autocrossed a few times a year and M1 never let me down or my turbos;also used it in my Type R which was autocrossed quite a bit and now I use it in my 13 year old 4Runner and it burns a normal amount but never has more than a half quart low after 8000 mile changes which is great for a 174,000 mile vehicle which sees off road regularly.
Maybe I've been lucky but using it with no ill effects since '93 can't be all luck.
Now let's compare what you just posted in relationship to the years in questions.
Mobil 1 made a huge change in 2005-2006 for the worse. Their once "fully synthetic" formulations that were top tier were re-formulated with hydrocracked petroleum with less aggressive additive packages. It was no longer the bullet proof formulation that made Mobil 1 the #1 choice in America.
2014 Mustang GT custom ordered to replace the GT500: Sterling Gray, NAV, Recaros, Brembos, Glass Roof, back up camera, 6 speed auto, loaded
2012 Focus Titanium - 18" wheels with handling package
2009 GT500 Shelby (700 rwhp) - sold