Lee, Have you ever done that? Huge work and you better know what you are doing. The crank alone is very expensive as is all the machine work, pistons, and cylinders. I certainly would not under estimate it.
See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2011 - KR Gathering in Mt. Vernon, Il - MVN There is a time for building and it never seems to end. Daniel R. Heath - Lexington, SC -----Original Message----- Upgrading all the way up to 2180 is easily doable with your current engine by replacing cylinders and sometimes crankshaft - easy and not too expensive.