The Crayola Box – a Triple Turbo LB7 Duramax Engine
Until you yourself build an engine to compete in some of the hardest competitions, it’s hard to appreciate the blood, the sweat, the tears, the sleepless nights, and the insane amount of money that goes into accomplishing it. For Jacob Riordan, his triple turbo LB7 Duramax-powered 2002 Silverado literally represents his house, his savings account – his everything. When he couldn’t attend UCC 2021, he was crushed, but he’s not letting that stop him. Find out what went into his Duramax build known as the Crayola Box.

Triple Turbo 4-Cylinder 2.0L TDI VW Engine
Gregoire Blachon, owner of Boxeer LLC, is dedicating the entire month of June to testing at Pike’s Peak. Last year, he was 1-second shy of the diesel hill climb record, and this year he’s returning in his VW Bug equipped with a triple-turbo, 4-cylinder, 2.0L TDI VW engine. Check it out!

Triple Turbo Solid Block 6.8L Cummins Engine
According to Truck Source Diesel’s Chris Buhidar, the competition at this year’s UCC event was the stoutest of any UCC yet. Despite the many struggles an event like UCC presents, Chris and his TSD team and their triple turbo, solid block 6.8L Cummins-powered F-350 took home second place overall. Find out why!

Turbocharged 6.7L Common Rail Cummins Engine
In 2020, Daniel Green, aka Danny Diesel, became a nomad and traveled 40,000 miles across 23 states to go drag racing. This year, he’s doing it again, but he swapped his 12-valve for a common rail Cummins rebuilt by Wagler Competition. See what makes Daniel, his truck and his engine unique.

F-350 7.3L Powerstroke Engine
Out of every truck Ralph LaBarbera has ever worked on – Duramax, Cummins and Powerstroke – the 7.3L, the entire truck itself, not just the engine, is one of the most cost-efficient trucks per dollar and all-around solid work truck he’s found. That is what made him fall in love with the 7.3L, and why he recently rebuilt his F-350 7.3L Powerstroke. Find out what went into the build.

Mechanical Injected 7.0L Cummins Engine
Just one of three mechanical injected trucks running at UCC this year, John Schirado’s 7.0L Cummins is dialed in and ready to compete. Find out what helps his engine make 2,000 horsepower and why it’s a real threat in drag racing, sled pulling and on the dyno.

Turbocharged 6.7L Solid Block Cummins Engine
Thomas Borrell might not work in the diesel industry, but his passion for diesel motorsports has led him to build what many believe to be the ultimate diesel machine – a UCC truck. Check out his 2010 fourth gen truck and its new Freedom Racing Engines-built 6.7L Cummins engine.

Triple Turbo 6.0L Powerstroke Engine
Looking to build a daily driver truck with some power when he wanted it, Art Martinez of PSP Diesel put together this triple turbo 6.0L Powerstroke engine. Under the hood of his single cab, single rear-wheel truck, find out what went into the build!

2015 LML 6.6L Duramax Engine
One of the more memorable diesel builds Richie’s Diesel Performance has done of late is this 2015 LML 6.6L Duramax engine for a customer’s GMC Denali. Featuring a playboy blue paint color, find out what else makes it a cool build.

GMC 6.5L Turbo Diesel Engine
Discovered in a junkyard wrecked and forgotten in 2012, Courtland Bowles III rescued this 1999 GMC 3500 with a 6.5L turbo diesel engine. He has since put more than 67,000 miles on it and added a number of upgrades in order to daily drive it, drag race it, sled pull it, and tow with it. Find out what went into saving this truck.

Triple-Turbo 6.4L Cummins Engine
What was once a 1,200-hp, road racing, Dodge Ram 3500 with a 5.9L Cummins, has been sitting in storage since 2008. That was until Spencer Ekstam of FASS Fuel Systems revived the truck and put in this triple-turbo 6.4L Cummins engine with hopes of hitting 3,000 hp. Find out what went into this diesel build!

24-Valve 5.9L Cummins Engine
Ethan Powell of Freedom Diesel Performance has a 1960 Cadillac Coupe de Ville he wants to turn into a fun street vehicle he can bring to car shows. So what did he put under the hood? This 24-valve 5.9L Cummins engine of course! Find out what went into the build.
