1. 2005I 14050 Lb GVW RV CAB CHASSIS Bob Fluck Program Engineer Manager

2. Discussion Topics Frame Chassis Powertrain Emblem

3. Reinforcements to current frame Lower control arm cross member has thicker steel Plates added at box body mount holes Plates added at leaf spring attachment Inner channel added to rear axle kick up Frame

4. 34mm rear sway bar add Spring shackles made of higher grade steel Higher rate front coil springs Higher rate leaf springs Revised valving in front and rear shocks LT255 75R16E Tires Chassis

5. 6.OL, V8 (LQ4) standard engine (carryover) HD 4L85E (NM8) transmission Radiator with HD internal engine oil cooler Auxiliary transmission oil cooler standard HD Dana propshaft with larger U joint Reinforced axle with thicker tubes and ribbing in center section. Powertrain

6. New Workhorse / GM / Vortex Engine emblem on fender Emblem

7. Design Changes for GMT610, MY 2005i, 14050 LBS GVW (Modified) New Valving Absorber Asm-Frt Shk. (Ref) PN 25751141 (Modified) Reinforces added Frame Asm (Ref) PN 15238459 (159”) (New) Design Spring Asm-RR. (Ref) PN 15035989 New PN Tires (Ref) PN 9594171 (Modified) Reinforced Shaft Asm-F&R Prop. (Ref) PN 15120401 (Modified) Reinforced Shackle Asm-RR Shk. (Ref) PN 25747407 (Modified) New Valving Absorber Asm-RR Shk. (Ref) PN 25751139

8. Design Changes for GMT610, MY 2005i, 14050 LBS GVW(Cont). (New) Reinforced Housing & Gears Axle Asm-RR (4.10 Ratio) (Brand New) Stabilizer Asm-RR (New) Heavy duty applications MN8 Transmission Asm-Auto (New) Cooler Asm-Trans Fluid Aux. Added. PN 15751207 (Modified) More cooling capacity Radiator Assy PN 15127536