So, the engine top end, is usually everything above the cylinder head gasket. This would include everything, in engines that have a overhead camshaft (OHC).

Oil Consumption Past Rings – Worn Engine Bearings Can Make It Worse
Oil consumption is something nobody wants. So, how can worn engine bearings make it worse ? Engine oil consumption past rings, will only get worse when, engine bearings begin to wear out. So, oil consumption […]