Licensed, Insured, And Fitted With A Parachute…
Fire breathing Duramax’s at the track, a seatless Cummins cylinder head, and Super Stock diesel truck action from the National Farm Machinery Show.
You’re looking at the view most people get of Enrique Gonzalez’s ’06 Chevy Colorado. His twin-turbo, Duramax-powered 2WD regular cab has been tearing up tracks for years, but at no point in its story has it been this quick. How about 1.05 seconds to the 60-foot mark? It’s enough to give a video of the truck’s most recent (4-second) 1/8-mile blast the illusion that the footage has been sped up—but it hasn’t. The compact, 3,500-pound Chevy is just simply that rowdy, with the driver even experiencing 3.91 G’s on the launch… Enrique’s nitrous-huffing, Hardway Performance tuned Colorado sports a stock block, wet cylinder heads that aren’t even fire-ringed, and current license plates and registration…
At The ‘Strip
A Duramax On A Mission—And Headed To Lights Out

You could say Dan Zelten has been grinding away on his crew cab GMC to make it to Lights Out 17 this week. Two months ago, he’d just gotten his hands on the billet-aluminum, Wagler-built Duramax you see here—and less than two weeks ago it had yet to be placed between the frame rails… With this power plant—which already set the ¼-mile diesel record in its former life (in the form of Paul Vasko’s 5-second rail)—Dan hopes to eventually challenge and then lay claim to owning the quickest 1/8-mile 4×4 Duramax in existence. His BTS 4R100-shifted Sierra will be S&S-fueled, dialed in courtesy of both Truck Source Diesel and S&S, and will have all Hot Shot’s Secret fluids coursing through its veins.
New, Seatless Cummins Head

Always innovating, New Performance Engine Machine and Dyno’s Steve Burton has developed a seatless 24-valve cylinder head for high-horsepower, competition-only Cummins applications. Instead of utilizing conventional valve seats, and with the ultimate goal to eliminate cracking, all four valves share a single, tightly pressed in ductile iron puck. Each puck boasts fire-ring grooves by design. The competition heads (6.7L and 5.9L) will be available with or without an intake shelf, port work, and larger valves. Later on down the road, Burton indicated these heads would be tested on daily driven applications, too. If they perform well there, they could be a game-changer for the industry.
In The Dirt
First Invitation, First Win At NFMS

Few stages rival the size and scope of the one provided at the National Farm Machinery Show. During the Saturday afternoon session of the Championship Tractor Pull, the 7,500-pound Super Stock Diesel 4×4 trucks went on the hook. Veterans of the dirt Van Haisley, Kent Crowder, Keith Witt, and Calvin Miller showed up to do battle in Freedom Hall, along with Trenton Ingram, Jeremy Yeager, Terry Biggs, Caroline Armistead, and Zander Lee. But in the end, it was Cliff Carnes’ “Carnage” Dodge that earned the win. Carnes’ Attitude Diesel-backed second-gen Cummins would move the sled 231.12 feet, edging out a hard-charging Trenton Ingram (in the Scheid Diesel second-gen) in the process. Esdon Lemke’s “New Generation Plus” John Deere took the win in the coveted Pro Stock tractor category on Saturday night.
New Products
K&N Rolls Out Fresh Intake Systems And Filters For Diesels

Last week K&N Engineering officially expanded its line of performance products for late model diesel trucks. Instead of debuting a single product, the company dropped multiple, with six NextGen air intake kits and 12 Dryflow air filters all brought to market. K&N’s NextGen air intake systems feature its most advanced design to date, with a completely redesigned filter, oversized intake tube, airbox, an OEM-inspired appearance and, of course, best-in-class horsepower gains (up to 23 hp and 40 lb-ft). NextGen systems are available for 6.7L Cummins-powered ’13-’18 and ’19-‘24 Ram 2500/3500 models, L5P Duramax equipped ’17-’19 and ’20-’26 Chevy/GMC 2500/3500’s, and ’17-’19 and ’20-’26 Ford F-250/F-350’s with the 6.7L Power Stroke (shown).
Written by Mike McGlothlin