I used 2" aluminum spools between the motor mount and the engine accessory case, which put the CG just about right on a stock KR2 with a 2276 VW Engine. Which by the way, is for sale. Not the KR, just the engine and all the stuff that goes with it.
See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2012 - KR Gathering in Mt. Vernon, Il MVN 40th Anniversary There is a time for building and it is over. Daniel R. Heath - Lexington, SC http://www.krbuilder.org/MyUSA/