Cammed 6.0 Silverado 0-100 mph
2000 Silverado 1500 Ext. Cab 4x4 - 6.0L - 216/225 .561/.568 114 cam - Yank TT3000 - FLT Level 5 4L65E - Tuned by Black Bear Performance
8.1 liter 496 big block 2500hd
Just a video of my 2500hd with the 8.1 liter allison 5 speed transmission. pcm4less custom tune k@n cold air intake, magnaflow true dual Exhaust, chipped. Dyno 485 which is pulling power for this truck. this truck is not set up to race but i have ran a duramax diesal and ate him for dinner lol. the whining you hear is not the motor about to blow up its a tensioner pulley going bad.