stroking my 340 to a 4--

http://www.campbellenterprises.com/parts.php?type=search&id=&page=3 http://www.hughesengines.com/TechArticles/cylinder_heads_articles.php find a copy of this book first It's got a lot of good info in it. http://www.themotorbookstore.com/howtobubimos.htm