John Eilermann’s LinCo Diesel Built LBZ Suburban: High Roller

We have seen a ton of wild builds throughout the years, but this one is definitely one of the largest. From super old to brand new, we never know what to expect from you guys. St. Louis native John Eilermann wanted something that was big but beautiful, and thanks to the help of Linco Diesel Performance, he got exactly what he asked for.

Eilermann went to LinCo Diesel with full intentions of building a Jeep or a safari vehicle for chauffeuring his friends and family around his 300-acre property. Well, after speaking with the crew at LinCo, they talked him into building the masterpiece that is now called High Roller. High Roller is a 1972 Chevrolet Suburban that is powered by a 6.6-liter LBZ Duramax.

High Roller was aimed toward a beautiful change and took two years to complete.

Eilermann wanted to fit at least five or six people in this rig and after seeing the prices on legit safari vehicles over $150,000, that was just out of the picture. But, being adamant about a retro safari style build, they found just the right platform to build this Suburban that utilizes style and comfort. Limo style seating, moonroof, and no backglass offer that safari feel.

The High Roller Build

Bart Super Trucker 16.5×12 wheels wrapped in Interco Super Swamper Bogger 40-inch tires are plenty big to set this truck apart.

The Suburban started out as a $5,000 project coming up from the Texas area. It was in superb condition, except for its primer coating in lieu of paint. However, having primer as the base made things easy for Eilermann’s team of experts to get this truck glossing like it rightfully should.

Although High Roller came with a four-inch lift and 35-inch tires, that wasn’t enough for Eilermann. Obviously, he wanted bigger and better, and that’s exactly what it got. With the help of a spare gutted cab, engine, and transmission, LinCo mocked up and modified everything for fitment before setting it into the good chassis. Once the engine and transmission were fitted, the steering and suspension followed.

Bare Knuckle Choppers Machine and Zerr Engineering made several modifications to the Suburban's skeleton. These included cutting the frame rail extensions, and plasma cutting the engine crossmember, frame plates, and traction bar mounts.

This “Duraburb” rides on 2007 GM 11.5 AAM rearend with a Yukon Grizzly locker, and a 1989 Ford king-pin Dana 60 front end with a Trac-loc limited slip. Matched perfectly with the wheels and tires, High Roller uses a six-inch Rough Country lift kit, Bilstein rear shocks with remote reservoirs, and a 4:56 gear ratio.

The engine bays of these old trucks were spacious, but when you cram a giant Duramax in there along with plumbing, things can get tight.

On the front end, they used ADS Racing coilovers with dual-rate springs and a custom in-house four-link build with track bar and steering linkage. For stopping power, they used a third-gen Dodge hydroboost brake system modified to work with the original Suburban pedals.

Under the hood, the LBZ Duramax is supported with a FASS Diesel Fuel System’s 165GPH lift pump, and a G & R Diesel Performance And Repair sump out of a custom in-house built fuel tank. Although it’s equipped with the stock injectors, it’s got plenty of air with the help of a LinCo Stage 1 64/66 turbocharger and an intercooler off of a second-generation Dodge Cummins. The exhaust exits the turbocharger out of the four-inch dual exhaust system that is V-band connected with two six-inch stainless exhaust tips.

Controlling this 6.6-liter engine is EFILive using PPEI tuning. With EFILive, Eilermann can control how the truck runs via the tunes and set it up for any situation he's in.

Under the hood is filled with a lot of powder coated parts including the engine, thermostat housing, y-bridge, charge pipes, intake, and it was all done by Extreme Powder Coating. More dress up parts includes a Pacific Performance Engineering engine oil and transmission pan that have been powdered blue to match the blue of the truck.

The truck is big but with the 550 horsepower and 1,050 lb-ft of torque, it has plenty of power to go as fast as it wants. Backing the Duramax engine is an Allison 1000 transmission, NP261XD transfer case, and an Inland Truck Parts built custom driveshaft. With a Suncoast Diesel Transmissions GM1058 torque converter, the drivetrain is ready for war.

This show ready paint and body was all done by B & R Autobody and Painting including the factory front and rear bumpers that are filled with KC and LMC LED lighting fixtures.

The custom interior is done up with charcoal colored upholstery with white piping for a roll cage. The dash is a custom piece that uses toggle switches for the lighting fixtures and a seven-inch touchscreen JVC Audio head unit for a radio to control the MB Quart 6.75-inch front door speakers, 6×9-inch rear speakers, and two 10-inch subwoofers hidden under the custom center console.

The engine monitoring system is an Edge Products Insight CTS2 monitor and ISSPRO gauges.

The Scheid Diesel Extravaganza was High Roller’s first truck show, and apparently, the judges loved the truck as much as we do. It won best custom truck at one of the largest truck shows in the country and that alone made all of the long hours and money spent on this build worth it. We’re sure that we’ll be seeing a lot more of this truck in the future.

How about walking out into your driveway and seeing this bad boy? Talk about an awesome Sunday driver.

We want to thank LinCo Diesel Performance for reaching out to us on this build. We also send thanks to Mr. Eilermann or building such an amazing truck and bringing it out to shows for all of us to see.

About the author

Artie Maupin

Artie Maupin is from Southeast Missouri and has an extreme passion for anything diesel. He loves drag racing of all kinds, as well as sled pulling competitions.
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