I have been running a first Auto-Rx treatment in my Cadillac Seville, 1999, 55K miles and uses about 1 qt. / 1000 miles
The Auto-Rx has been in for about 3 weeks and 500 miles, mostly highway miles at 65 mph and the occasional full throttle blast
When I checked the oil today on the dipstick, it looked almost as clean as new oil. I was expecting it to look really dirty. Now what? Leave the oil in for another 500 miles? Is it possible the filter is trapping a lot of junk, yet the oil looks clean? By the way, the oil is Mobil Delvac 1300S and the oil filter is a K&N.
For comparison, I changed the oil in my wifes Dodge Caravan, 1999, 60K miles, at the same time as I did the Cadillac change. Just oil in the van, no Auto-Rx. The van has probably done about 500 miles also, on Mobil 1 oil and K&N oil filter. The oil in the van looks quite black already, much darker than the Cadillac oil.
This is about opposite of what I expected. Any advice? Too soon to really say if the Cadillac oil consumption has changed, but it is running very smooth.
Keith.

The Auto-Rx has been in for about 3 weeks and 500 miles, mostly highway miles at 65 mph and the occasional full throttle blast

When I checked the oil today on the dipstick, it looked almost as clean as new oil. I was expecting it to look really dirty. Now what? Leave the oil in for another 500 miles? Is it possible the filter is trapping a lot of junk, yet the oil looks clean? By the way, the oil is Mobil Delvac 1300S and the oil filter is a K&N.
For comparison, I changed the oil in my wifes Dodge Caravan, 1999, 60K miles, at the same time as I did the Cadillac change. Just oil in the van, no Auto-Rx. The van has probably done about 500 miles also, on Mobil 1 oil and K&N oil filter. The oil in the van looks quite black already, much darker than the Cadillac oil.
This is about opposite of what I expected. Any advice? Too soon to really say if the Cadillac oil consumption has changed, but it is running very smooth.
Keith.