Mobil - 6k-15k miles to deal with severe sludge

Joined
Nov 18, 2014
Messages
705
Location
Virginia
Mobil make an interesting claim about how to clear up severe sludge. What do you think?
Quote:
If your engine contains excessive sludge deposits due to less-than-adequate maintenance practices, Mobil 1 High Mileage oils can help by reducing this sludge. For severe cases of sludge, short oil change intervals (3,000-5,000 miles) are recommended for the first two or three oil changes as the sludge reduction takes place.
https://mobiloil.com/en/motor-oils/mobil-1/mobil-1-high-mileage
 
Joined
Apr 8, 2013
Messages
3,506
Location
Delaware
Well note their words sludge reduction and help with the sludge. Do they claim to completely clean the engine?
 
Joined
Jul 11, 2010
Messages
3,610
Location
Ponte Vedra Beach, FL
IMO....Conventional Rotella, Delo, Delvac, NAPA or any generic 10w30 or 15w40 etc....will do a great job in the initial engine clean up with deposits and/or sludge.
 
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