Thread: Lehman SP135
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Old 09-24-2013, 05:28 AM   #12
RickB
Scraping Paint
 
City: Fort Lauderdale
Vessel Model: CHB 48 Zodiac YL 4.2
Join Date: Oct 2007
Posts: 3,804
Quote:
Originally Posted by FF View Post

AS the cylinders rust pinholes are formed in the cylinder that hold oil the rings can not scrape off.
That's a good thing. The purpose of cross-hatching is to help retain oil on the liner. Without it the rings will weld to the liner to create a phenomenon called "micro siezures" that eventually produce scuffing and accelerated liner wear.
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