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Custom Peterbilt Truck Showcase

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

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What happens here

Jerad Wittwer showcases his extensively customized 2001 Peterbilt 379 Long Hooded Peterbilt, referred to as the 'Family Truck.' The truck features a striking blue and silver paint scheme with PDI logos integrated into the paint scallops, steps, and even the unique, bolt-free frame rails. The vehicle boasts an 1800 horsepower engine capable of 7000 foot-pounds of torque, a figure comparable to a commercial tugboat or older locomotive. Additional custom elements include a hidden door handle, a specially designed interior with a gear shifter integrated into the dashboard, a tunable turbocharger with machined scallops, and blue LED undercarriage lighting. The truck's engine bay features meticulously fabricated and polished components, including the air-to-air cooling system that also incorporates the signature scallop design. Jerad mentions that the truck was built for his son and was a collaborative effort involving their painter and him working on weekends in Connecticut with Todd Rackapoli.

Goal: Highlight the extensive customization and performance capabilities of a personal Peterbilt truck.

Tools and materials

  • Blue and Silver Paint Unspecified — Custom exterior finish with scallop designs
  • Custom Frame Rails PDI — Unique structural modification with no visible bolts
  • Custom Peterbilt 379 Truck Peterbilt — Main display item of customization
  • Custom Wheel Hub Covers Unspecified — Aesthetic enhancement with blue internal paint
  • High Horsepower Diesel Engine PDI — Providing extreme power output (1800 HP, 7000 lb-ft torque)
  • LED Undercarriage Lighting Unspecified — Aesthetic modification for show purposes
  • Tunable Turbocharger PDI — Enhancing engine performance and featuring custom machined scallops

What they say

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>> Uh let's let's go in the shop. >> Before we get to the shop, I got to show you this custom Peter boat that Jared keeps at his house. So, what do you think? This is pretty wild. What year? Like what is the truck? What year is it? >> 2001 379 long hooded Peterbuilt 292in wheelbase. So it's called family business. You can see the logos everywhere. The the scallops, the paint, everything on the whole truck's got it. >> This is crazy. >> Check out the frame, the suspension. I mean, it's just amazing everywhere you look. build all new frame rails cuz you can see there's no bolts in the frame that hold the crossmembers. And then the engine, of course, was a brand new engine that makes I think this made 1,800 horse. >> That's it. >> Uh-huh. Just kind of kept going with it. We built it in 4 months. >> 1,800 horsepower. How much torque is that? >> I think it was like close to 7,000 foot-lbs. >> That's just insane. I've never seen anything like this before. >> Yeah. We don't even know what other kind of transportation device would have 7,000 footlbs of torque besides like a ship. >> Yeah. [laughter] >> Or a locomotive. >> You don't even have a visible door handle. Anyways, your shifters are right here. So, like you know how usually you have a gear shift here, you shift to gears here. It's low on air. After we show you the engine, I'll start it and let it idle. So, as you can see, we fabricated every piece of this. So, even the air to air has the same scallops from there from the landing spots of the hood. Even the crossmember under there has it. >> Yeah, it does. >> What do you notice about this thing, >> man? How do you make that >> big? The big guy build all that. Tyler build all that. >> That's insane. >> He is no CAD drawing. Just scallops, cuts, welds, and then cleans it up to >> Insane. >> Yep. And we were talking earlier, remember that showing in my office, the tunable turbo? >> Yeah. >> This truck's got one on it. It's even got the scallops I machined into it. >> So, what all did you do to the engine to make it make 1,800 horsepower? >> Tons different pistons, cams, injectors, tuning. I mean, this this engine at one time spent about 3700 RPM. That's a lot for a big engine. This sounds pretty cool with that big old this scoop on it. It's a fiberglass hood, but see the logo in the front of it, too.…

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