Piston Rings: Metal rings around the piston. There are 2 primary types, compression rings and oil control rings. Compression rings help seal the piston to the cylinder to ensure proper compression. Oil control rings scrape excess oil off the cylinder wall to keep it from being burned in combustion.
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Copyright © Happy Jap’s Auto Repair. All rights reserved.
Copyright © Happy Jap’s Auto Repair. All rights reserved.
September 5th, 2008 - 12:11 am
[...] regular care, it has high mileage (in excess of 160k miles) and was processing some oil past the rings that fouled one or more of the spark plugs. The term “fouled plug” refers to a spark plug which [...]