Originally Posted By: DieselTech
With all of that M1 in there I just cant see now how theres that much cleaning going on. Heck I dont know
That makes two of us.
The crud that came out in the 5w20 run was pretty spectacular though. I've never had that junk in any of the filters on my other vehicles. This truck has an unknown maintenance history prior to 150,000Km, which is when we bought it. So I don't know how well, or poorly it was looked after in that regard.
With all of that M1 in there I just cant see now how theres that much cleaning going on. Heck I dont know

That makes two of us.

The crud that came out in the 5w20 run was pretty spectacular though. I've never had that junk in any of the filters on my other vehicles. This truck has an unknown maintenance history prior to 150,000Km, which is when we bought it. So I don't know how well, or poorly it was looked after in that regard.