Recent content by Saab07

GC has a much lower 166 VI to the 185 VI of M1 0W-40 so even the much heavier 3.8cP SN M1 0W-40 will be lighter on start-up even at temp's as high as 80F. One of the specs that holds me back on this product is MRV of 31,000 at -40. This oil is much thicker at cold temps than 5W-30 or 0W-30...

In the interest of getting it done I stopped at autozone this afternoon to pick up the GC with the special theyre running but the guy wouldnt let me sub out the filter for an extra quart. He said 'tell you what I can do, I'll give you the deal without the filter but you'll still have to buy the...

Wow alot of thoughtful responses. Looks like I came to the right place. Most of the votes are for M1 with GC as a good alternative and everyone agrees that any of the oils would be fine. The newest version of M1 does not shear down to a 30wt. There's no difference between 5W and 0W cold...

I recently bought a 2007 Saab 9-3 2.0T 6-speed with 106k as a daily driver. It has the high output turbo but has not been modified nor will it be modified. The recommended oil is stated as Saab 0w-30 or Mobil 1 0w-40. The oils I'm considering are Shell Rotella T6 5w-40, German Castrol 0w-30...