Originally Posted by Roelof

A while ago on a Dutch forum I had a huge arguement about the flex in the rod and crankshaft that it is acting as an advanced timing. The guy was convinced those parts are solid, no way that it will flex while we all know a too low head clearance will cause the piston touching the head at a certain rpm. The higher the revs the higer the piston goes, the higher the compression becomes the sooner the ignition goes.