I've referred several folks over on Facebook to this build thread when they ask "What can I do to improve the performance of a 3.9 Magnum motor???"I glass beaded this one as well and this is the flywheel machine. Not sure what people like to see but with 3000 views in two months must be something here. I'll flip it over and secure for grinding. Steve
I also check it every time there's a new post.