Big Jake 18 #1 Posted April 28, 2013 What is the different in the two engine as far as rod length crank throw and bore. Will parts from one fit the other like rods or crank Thanks Share this post Link to post Share on other sites
ericj 1,576 #2 Posted April 29, 2013 crank and rods will not interchange between a p220 and a p216, if you check an onan manual it give specification for the p series motors. basically the the 16 and 18 share a cam and the 18 and 20 share the crank and rods eric j Share this post Link to post Share on other sites
