2004 Chevy Silverado 2500 HD 8.1L Straight pipes
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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.
8.1 in front yard muddin
in two wheel drive after hemi's gets pulled out. . 01 2500hd 8.1 allison tranny
0-60 run in 8.1L 03 silverado
This is my dad's 2003 chevy silverado 2500HD quad cab. It's got an 8.1 liter, 496 ci vortec with an allison 5 speed tranny. It's not the fastest truck out there, but it moves pretty good for it's massive size and weight.