08-11-2021, 07:14 PM
(This post was last modified: 08-11-2021, 07:15 PM by Bob Culver.)
Not clear exactly how many sections in each ring but the abutted floating expander is the basis of most modern oil rings. Provided there is back room for, it is unlikley will ever over control oil in a Seven. The ring must be able to depress flush with the piston wall.