Feb 4, 2014 #22 C chriss4655 Member Joined Jan 21, 2009 Messages 224 Yes Sir, C/R with a stock gasket? 8.5 to 1 ????
Feb 4, 2014 #23 larrym West Coast Newfy Joined Jul 17, 2007 Messages 1,285 29cc dish pretty much stock combustion chamber that's what I figure maybe a little more.