Sid's axles are the way to go in the front. When it comes to the rear on the 3600's you haven't got much distance you can drop before your having to install a c-notch in the frame for axle tube clearance. I myself like the "hotrod" stance of more rake between front and back. I use Sid's axle (4" drop) up front, and removed all overloads as well as 2 or 3 leaves from both back spring packs (no c-notch). Not a ground scraper by any means. But hopefully a nice usable everyday driver/puller style truck.
By the way, I did switch to 1/2 ton running gear.
Tim
Last edited by sleepindawg; 12/24/2014 7:50 PM. Reason: added info