Engine Start-up and Performance Demonstration

8:10

37:43

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At 8:10 in

The Big Boss: Jerad Wittwer's 1,800HP Peterbilt & Performance Diesel Inc Shop Tour

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What happens here

Jerad Wittwer demonstrates the Peterbilt truck's engine start-up. He enters the cab, starts the engine, and then stands outside as thick black smoke billows from the exhaust stacks. The sound of the turbocharger spooling up is distinctly audible. Jerad notes that the engine has been tested to spin at 3700 RPM, and he mentions another PDI-modified engine achieved 2200 horsepower on a dyno, which actually 'broke the dyno' due to its immense power output. He also shares anecdotes about driving the truck at extremely high speeds, including turning it sideways at 155 mph.

Goal: Demonstrate the raw power and sound of the custom Peterbilt's engine.

Tools and materials

Custom Peterbilt 379 Truck Peterbilt — Demonstrating engine start and sound

What they say

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We'll get it. Heat up here. >> that just made my day. >> Smoke. >> Oh, just the the turbo whistle. >> Mhm. >> You know, dude, I can just imagine driving that. >> Well, I had a show. Have you ever seen that video of the same engine but on the dyno? I'll show it to you. That thing ran for 35 seconds. Used up half the oxygen in this giant building. [laughter] >> Yeah, I love that turbo whistle, man. >> That sounds so good. >> I can just imagine going through the gears, listening to that. And it just, you know, that would just keep you going all night just to work the gears and listen to that turbo wine.

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