|
The pistons were measured prior to honing the block, that way the block can be made to match the pistons for an even 0.004-inch piston-to-wall clearance all around, so Lee just has to check to make sure there are no burrs on the pistons. He goes over the edges with a razor, around the ring grooves in particular, to ensure the rings can move around and spin freely. View Related Article
|
|