Originally Posted By: Mark888
I don't think it is the add pack getting dark. It must be cleaning a dirty engine. I used M1 for 11 years on my last car, and it stayed surprisingly light-colored compared to conventional oil I used on other cars, even up to my 7K miles OCI. Because I used M1 on a new car from 3K miles onward for 11 years, the engine never got dirty.
What about this post?
Originally Posted By: dkryan
I ran M-1 0w40 in my 2002 Saab 9-3 (2.0L) for 5k mile OCIs. I stood there and watched them pour the new oil in and it was dark after 500 miles on the new oil. And it happened with every oil change.
Ran Mobil 1 EVERY oil change. Cleaning the stuff that Mobil 1 left?
I don't think it is the add pack getting dark. It must be cleaning a dirty engine. I used M1 for 11 years on my last car, and it stayed surprisingly light-colored compared to conventional oil I used on other cars, even up to my 7K miles OCI. Because I used M1 on a new car from 3K miles onward for 11 years, the engine never got dirty.
What about this post?
Originally Posted By: dkryan
I ran M-1 0w40 in my 2002 Saab 9-3 (2.0L) for 5k mile OCIs. I stood there and watched them pour the new oil in and it was dark after 500 miles on the new oil. And it happened with every oil change.
Ran Mobil 1 EVERY oil change. Cleaning the stuff that Mobil 1 left?