I am referring the Yamaha V-6 3.0L DOHC "SHO" engine for the automobile....Taurus by Ford.<br />the reason I ask, 315,156 miles with no rebuild, factory bearings and shims(no adjustment needed but have been checked).....must be up there in the league of greats..<br />Am I right?<br />this is on a 1990 model....