Hello,
I have a '74 BMW R60/6 that's rather low mileage but sat for 20 years. After receiving it, I changed the oil and ran it some. I then sent the oil in for analysis at the next change and dropped the oil pan after I found sludge in a valve cover. I found more sludge in the other valve cover after another oil change. (It's a boxer engine so 2 opposing valve covers) After research I have found a few different options.
1. Use an engine flush
2. Use diesel oil (Ie Shell Rotella T6)
3. Add Rislone or Seafoam to oil before oil change
4. Use Valvoline Premium blue restore
I'm leaning towards option 2 and 3. I would basically switch to Shell Rotella T6 at the next oil change. Run it for 100 to 200 miles or so. Then add seafoam, run it for a few miles, then change it. I attached my last oil analysis. Older test is from the original oil sitting inside the engine from when I got it.
I have a '74 BMW R60/6 that's rather low mileage but sat for 20 years. After receiving it, I changed the oil and ran it some. I then sent the oil in for analysis at the next change and dropped the oil pan after I found sludge in a valve cover. I found more sludge in the other valve cover after another oil change. (It's a boxer engine so 2 opposing valve covers) After research I have found a few different options.
1. Use an engine flush
2. Use diesel oil (Ie Shell Rotella T6)
3. Add Rislone or Seafoam to oil before oil change
4. Use Valvoline Premium blue restore
I'm leaning towards option 2 and 3. I would basically switch to Shell Rotella T6 at the next oil change. Run it for 100 to 200 miles or so. Then add seafoam, run it for a few miles, then change it. I attached my last oil analysis. Older test is from the original oil sitting inside the engine from when I got it.
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