This Kid’s Face As He Gets Smoked By A LB7 Duramax Is Priceless

Facing a rolling head start down a side highway, a very impressive 12 valve Cummins turbo diesel goes head to head with a modified LB7 Allison Duramax. This isn’t your common variety backwoods race, my friend, this is straight up a battle of Titan versus Titan. Now, normally, that 12 V Cummins would have literally smoked any and all competitors. However, a properly modified Duramax holds true to the utter excellence of turbo diesel design.

Let’s take a closer look. The LB7s were first introduced in 2001 specifically for Chevy Silverado HDs, GMC Sierras, and a few others. What makes this truck really tight as a turbo diesel competitor is its optional Allison 1000 five speed automatic transmission – more intuitive and agile than any manual in the common man’s hands. At a glance, this 6.6L Duramax LB7 is configured in a 90 degree V-8 diesel with 403 cubic inches of displacement.

Aluminum cylinder heads and a cast iron engine block all come together for a stunning combination of performance and longevity. The LB7 Duramax engine also features an IHI turbocharger and air-to-air intercooler which helps keep it running at peak performance longer. And with a Bosch direct injection 23,000 psi high pressure common rail with CP3 injection pump, so long as the pedal hits the dashboard, it’ll keep churning.

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At its normal peak, the Duramax LB7 culminated in 300 hp at 3,100 rpm – impressive for its production time in 2004. But the real gem comes with how much torque this beastly e

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