Home Automotive LS-Swapping a Chevy c20 : A Comprehensive Guide

LS-Swapping a Chevy c20 : A Comprehensive Guide

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The C20 Dually Chevy Diesel Wished it Made

IF IT DOESN’T exist—build it. That’s how this whole custom thing is supposed to work, right? The availability of ready-made parts to facilitate an LS swap, and the support provided by the aftermarket, encourages builders to choose an LS engine for their vehicle. This isn’t necessarily a bad thing, especially if an LS is exactly what you want planted in your truck (and you’d be a little loony not to want that).

Builders who wish to avoid the latest modifications are forced to abandon these trouble-free, preassembled kits. They offer convenience and ease of use in one package. Taking on larger jobs like these usually pays off…in the end. Until that point is reached, there’s nothing else to do but dive into the deep end and take the punches as they come.

ED’S C20 CREATION PUNISHES THE COMPETITION, AS ANYONE WOULD GUESS FROM THE CUSTOM BED FLOOR.

Guys like Ed Snare of Ocala, Florida, aren’t afraid of venturing off on their own and figuring things out for themselves. Ed is a seasoned vehicle builder and customizer who operates his own shop, Secret Six Motorsports, which means that he is always reaching out to create something unique to stand out from whatever the “in” crowd is up to.

“I purchased the ’67 C20 here from a friend who had another shop do some pretty poor work to it,” he says. “It was completely disassembled, so there were so many directions that I could’ve taken the truck without having to waste time on the tear down.”

Ed initially wanted to go the easy route with his project, since he had all the necessary parts.

“I thought I would ‘bag it, lower it and throw an LS under the hood since I already had one in the shop,” he says. “But then I ran into a guy selling a 2002 3500 Chevy Dually Duramax Quad Cab truck at a reasonable price, so I bought it. This is when the ideas in my head started going off the charts.”

With two extra trucks on his hands, Ed quickly began playing with the thoughts of somehow combining the two into something special—a truck unlike any he has seen.

“Ultimately, I hadn’t seen a lifted C10 or C20 that was made into a dually,” he says. “There may have been a couple out there, but I had never seen one, and I was for certain I hadn’t seen one with a Duramax engine.”

Ed did a lot of research and figured out a way to modify the step-side fenders in order to achieve a dually look. The next step was the strategic planning of the Duramax “swap,” which he had a simple solution for.

“I didn’t plan on doing a typical engine and tranny swap,” he says. “Utilizing the 2002 frame and drivetrain seemed like a better solution. My buddy Mitchell Brown from Fabshop 42 and I shortened the frame 4 ½ feet and created all the necessary body mounts to be able to drop the ’67 C20 body on top of it.”

MORTON’S CUSTOM INTERIOR STEPPED UP TO CREATE AN INTERIOR SPACE FOR THE C20 THAT IS EQUAL PARTS CLASSY, CLASSIC AND BADASS.

Ed did not stop there. He also made them look like stock.

To our surprise, Ed says he typically attempts to avoid builds that are this detailed and intricate, even though his level of research and execution suggests otherwise.

“I generally purchase vehicles that are 75% completed, and see the rest of the job out,” he says. “This C20 project falls into the few builds that have required this magnitude of modification, but these have definitely been the most fulfilling.”

Ed was well into the dually project when he began to encounter speed bumps. This slowed down his progress.

20-INCH MAYHEM MONSTIR WHEELS AND 37- INCH ATTURO TRAIL GRAPPLER RUBBER PROVED TO BE THE PERFECT ROLLING COMBO TO SUIT THIS TRUCK’S ATTITUDE.

“The hardest part of this build had to be all of the electronics and wiring involved,” he says. “There aren’t any preassembled Duramax engine kits on the market that I know of that could’ve made our project any easier, so we had to slow down to make sure we were doing things right.”

Building a stock-height dually, Duramax-equipped C20 wasn’t enough for Ed, as he was looking to complete the entire package to create the lifted vintage truck he had envisioned once he jumped into the build. Fab Shop 42 from Ocala was hired to work on the chassis, and install Zone Offroad suspension parts. The final level of ride height was 8 inches over stock—perfect to fit a set of 37-inch tires once the time was right.

Ed says the only original part of this truck is the bench, which has been reupholstered. The C20’s interior and exterior have been completely overhauled to match its aggressive stance, and its ability to handle diesel power.

“The build is a product of the work of many talented individuals who saw the potential of this transformation,” he says. “This project would be nothing without the help of these guys. Seeing just how much effort that went into successfully painting an old truck black was a feat of true craftsmanship in itself.”

The DAYMAKER LED lighting ensures no road is too dim to blaze new trails in this beast.

What is the next step for Ed? Of course, to shows! With his C20 project freshly completed, he hasn’t had a chance to show it off at any truck meets, but that will soon chance once the summer season kicks off.

“So far, the response to the finished product has been nothing but positive,” he says. “Diesel Truck Addicts shared our video, and it has had 2.5 million views and 59k shares in less than two weeks—that is just flattering and humbling to hear that so many fellow truck enthusiasts like the truck, or at least find it interesting enough to learn more about.”

 BUILD STYLES

OWNER

ED SNARE
Ocala, FL
1967 GMC C20

CHASSIS & SUSPENSION

  • Shop Secret Six Motorsports & Fab Shop 42
  • 2002 Chevy Silverado 3500 frame
  • Cut 4.5 feet from frame, fish plated and welded back together to fit the ’67 body
  • Zone Off-Road 8 inch lift
  • Custom C&C plasma cut brackets to support late model Chevy electric floorboards
  • Butler Racing has developed a 2002 Allison A1000 suspension.
  • Fab Shop42 offers custom shifter and linking by Fab Shop
  • Custom driveshaft by Rainey’s Trucks
  • B&M SuperCooler transmission cooler
  • Chevy 14-bolt 3.73 rear axle and Chevy 12 bolt 3.73 front axle
  • Custom fuel cell

WHEELS & TIRES

  • Mayhem Monstir 20-inch dually wheels
  • 37×13.5×20 Atturo Trail Grapplers

ENGINE & PERFORMANCE

  • 2002 Chevy V-8 6.6L Duramax LB7
  • Full chassis swap requires custom body mounts
  • Modified K&N intake
  • 4-inch side exit exhaust system
  • Bullydog tuner

EXTERIOR & PAINT

  • Shop: Doug Chuchian, East Coast Garage; Carl Kopsho, C.K. Kustoms
  • The car is black with stripes of silver on the cab, front and rear, and mild flake.
  • Custom bumper by Fab Shop42
  • Dual fenders with step-side fenders
  • Custom-made headlight buckets for LED lighting
  • Custom tiger Mahogany bed with plasmacut Punisher style mount

INTERIOR & STEREO

  • Shop: Sloan Morton at Morton’s Custom Interiors
  • Vinyl upholstery on OEM seats
  • Dakota Digital VHX gauges
  • Forever Sharp wood grip steering wheel 375mm
  • JVC stereo
  • 24-inch shifter
  • Glove box doors customized as dash panels with gauges inserted

The post LS swapping a Chevy C20 – A comprehensive guide appeared first on Street Trucks.



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