Thread: 2.0s cylinders - black markings on inner bore??
View Single Post
matt demaria matt demaria is offline
Registered
 
Join Date: Jan 2009
Location: maryland
Posts: 271
It is electrolysis corrosion from the aluminum/iron interface. Must be honed (if wear limits ok) for rings to seat.
Old 06-19-2009, 08:42 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #4 (permalink)