If you haven't seen this yet, you should...
http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm
So the more dirt you get into your combustion chamber it's basically moving around very fast from the high compression sandblasting the cylider walls...
http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm
So the more dirt you get into your combustion chamber it's basically moving around very fast from the high compression sandblasting the cylider walls...