Try MoparMusclemagazine.com Feb. 2002 issue. I have a copy of the article but not the entire mag. It's titled "Shifty Business" may not be the exact one but worth a look.
Here's the link: http://www.moparmusclemagazine.com/techa...lite_valvebody/

Last edited by Mr340; 05/23/14 12:57 PM.