just a couple years behind are ya?/wwwthreads_images/icons/wink.gif Just kidding man, those engines have been around since 99 as well as 2 other new engines, the 4.8L and the 6.0L. All are very good engines are put out more HP and Torque than there older Vortecs did.
Ryan
93 GMC Yukon
Chevy SuperStock 4x4 Truck Puller
Great Lakes Truck & Tractor Pulling Association
http://www.greatlakespull.com
Ryan
93 GMC Yukon
Chevy SuperStock 4x4 Truck Puller
Great Lakes Truck & Tractor Pulling Association
http://www.greatlakespull.com