Originally Posted by
4-G-rim
Since I posted about this topic...my opinion of Mobil 1 has changed a bit. Been doing some researching and honestly..I am sold on Penzoil Platinum. Its cheaper and its synthetic..even though a Group 3 oil, its pretty damn good. I have been using it for the past 3 oil changes on my 7g which is turbo'ed and I have noticed a difference.
With Mobil 1 which I have been using ever since I turbo'ed the 7g ( about 5 years ) every oil change the oil has always been somewhat dark brown. I switched the Penzoil Platinum 3 oil changes ago and the 1st oil change it was black, 2nd..was dark cardboard brown..and the last one previously was light brown. Changed the oil same intervals and everything. The detergents seem to work alot better than the Mobil 1 oil. Not to mention my motor runs ALOT quieter ...like a brand spanking new motor. Penzoil Platinum has alot of great and postive reviews especially from some reputable sites like Bobistheoilguy.com and is recommended by some reviews as being a better oil than Mobil 1.
Amsoil though is the way to go..if you are intending to use it for some spirited driving. Its the oil I am going to run in my GVR4 from now on and eventually the new built motor for the 7g in the near future.
As for a oil filter...I will ONLY use OEM Mitsubishi or Purolator PureONE oil filters. The best filtration oil filters you can get in the market...and its fact. Don't use FRAM filters, they are the worse.