I don't burn much oil between oil changes but after my oil screen getting clogged up and clearing it up with the Berryman's soak....I'm wondering if this might be worth a try at the end of my oil change interval. It looks like it has gotten pretty good feedback.
Pour-In - Carbon Cleaning
Pour-In Cleaners That WORK! Clean your gasoline or diesel engine lubrication and fuel injection systems with these patented pour-in cleaners. STOP engine gunking and carboning before it happens. Utilizing 505 CRO you can prevent engine timing and lubrication faults before they happen. 505 CRF
www.atscarbonclean.com