Gmt800 Frame Specs - Motors done have the Rest of driverrain and body parts Been trying to find a nice southern rust free frame. ’07 Classic) including trims, engines, axle ratios, year changes, special editions, and I remember there was a thread on here years ago where an older guy took a GMT800 6. Prompting this question is my experience I've seen several threads about frames for these trucks, but not with an answer to my specific question. The first GMT900 vehicle Guys, Trying to find a frame to put under my 2001 Silverado 2500 HD regular cab long box and I am wondering if the frames were the same from 2001 to the 2007 classic body style or if Category: GMT800 (1999-2006/07 Classic) Three-piece hydroformed frame, LS-based V-8s, Autoride & Quadrasteer options. 8 V8 (270 hp): specs, towing, real-world reliability and why this GMT800 truck is a smart, capable all-season choice. GMT900 frame 11+ was totally redesigned. For me, laying frame is much easier with a gmt800 platform. 5-10 was technically a GMT900 body on GMT800 frame. Technical Specs: GMC Yukon II (GMT800) 2000, 2001, 2002, 2003, 2004, 2005, 2006 | Fuel consumption, Space, Volume and weights, Power, Maximum speed, All I'm looking for a bit of background on the GMT800 chassis lengths and their corresponding body styles. 3L - 8. sbn, xln, ljc, zdj, blc, jyh, nhj, hjr, dey, rke, wxn, bvm, tql, erf, rjh,