Clayton I got this info from Dan Slade's 39 Dodge custom hauler...http://stores.ebay.com/Lazy-Modeller/Flame-Masks-/_i.html?_fsub=1810810012&_sid=42302562&_trksid=p4634.c0.m322
Thank you Ed. It will be awhile before it's complete. I started making the assembly for a single shank ripper. Hopefully I'll have it posted in the next few weeks.