The mopar 7420 is the only way to go...when done properly it will support 420" and 1025hp.
Butch Kemp · Registered Joined Jul 19, 2005 · 5,381 Posts #6 · Jan 22, 2013 View full thread The mopar 7420 is the only way to go...when done properly it will support 420" and 1025hp.