Andre3000 55 Report post Posted January 31, 2015 (edited) Building a m52 for a jet boat and want to a couple more horseys out of her NA. Can any one point me in the direction of a short block. Also would be interested in any information on tuning these engines for high performance, intend on increasing the compression. Edited January 31, 2015 by André3000 1 Quote Share this post Link to post Share on other sites
