461 HP And 1,014 LB-FT At The Wheels—Stock!
Ford continues to underrate its 6.7L Power Stroke, diesels compete with PDRA, and the inside scoop on O-Line—the latest Super Stock truck on the pulling scene.
Duramax diesel
The Aftermath Of Playing With Fire! (2,000 LB-FT Stock Bottom End L5P)
Pushing a factory long block L5P Duramax to the brink, Wagler’s ultimate Cummins valvetrain solution, and Stainless Diesel’s new top-feed injector system.
2,000 LB-FT From A Stock Bottom End L5P Duramax?
1,500 hp and 10-second quarter-miles from a pair of factory long block L5P Duramax’s, ODSS race prep for Indy, and finding the limits of a 7.3L Power Stroke.
The King Of All 4×4 Diesel Trucks Just Hit The Market
Multiple Duramax records set, dragster testing from Wagler Motorsports Park, and the fastest 4x4 diesel truck in existence goes up for sale.
World’s Fastest 4×4 Duramax
The 4x4 Duramax record changes hands, WP Developments breaks ground on a Super Stock pulling project, and we take a look inside a 1,500 hp, SPE-built 6.7L Power Stroke.
World’s Fastest Diesel Chevette?!
A 10-second, subcompact from the 1970s, a 1,200hp late-model Super Duty, and first-gen skin for the Cummins-powered, American Outlaw monster truck.
Rags To Riches
L5P Duramax-powered, Allison 10L1000-shifted and MoTeC controlled. Keith Porter’s tire-shredding, 2,800-pound hot-rod proves anything is possible in the diesel industry.
Christmas Carnage For A Pair Of Duramax-powered Hot Rods
Two LB7’s self-destruct, DHD looks to hire a Duramax builder, and Hot Shot’s Secret partners with Pro Pulling League for 2025.
The Duramax: 25 Years Later
A quarter of a century ago, GM announced plans to introduce the 6.6L Duramax we’ve all come to know and love.
The Fastest Diesels In The World Are Coming…
The ODSS releases its 2025 race schedule, an L5P Duramax squeezes 832 hp through a 66mm VGT, a drag racer visits the hub dyno, and GM issues a massive recall.
Transcendent: Nathan Bandstra’s Record-Owning, 5-Second Duramax
This drag racing, dyno-melting Silverado packs a stroker motor, big compounds, a 4R100, and well north of 1,500 hp.
Last Minute Hooker’s Dyno-Melting Return: 2,261 HP!
DHD’s UCC-winning Duramax owns the dyno day, a familiar 4-second Cummins-powered Ranger returns to the track, and an 1,100hp BMW 335d runs 5-second eighth-miles.
Proven Race Recipes
Cummins, Duramax, and Power Stroke. A look inside some of the strongest-running and most consistent rides in diesel drag racing.
A Twin-Turbo Duramax And Speeds Approaching 300 MPH
The world’s most powerful diesel BMW, a brand-new Ford 6R140 record, and a twin-turbo, Duramax-powered Land Speed Streamliner debuts at Bonneville.
HEADLINES: SDP’s Twin-Turbo C10 Masterpiece
An 1,100 hp 6.0L Power Stroke, a 2,000hp no-prep Dodge, Sterling Diesel Performance’s twin-turbo Duramax C10, and a Duramax streamliner bound for the salt flats.
HEADLINES: Paul Vasko’s Duramax-Powered Dragster Is Reborn—Hard!
A Duramax rail, a Duramax Camaro, Power Stroke carnage, and a lesson in running the correct engine oil…
Ultimate Callout Challenge 2024
13 trucks chase 3,000 hp on the dyno, pursue 5-second eighth-miles on the drag strip, and go for broke in the sled pull.
HEADLINES: Billet Duramax Badassery At Wagler’s
Billet Duramax blocks, built-to-order compounds, the return of the Crazyhorse no-prep Ford, Quality Diesel Performance’s dyno day, and an important PSA about buying aftermarket parts online.
HEADLINES: Is An L5P-powered HD The Best Tow Rig?
Plus a Cummins drops a valve on the dyno, the ODSS season kicks off in Florida, and an update on the attempted ban on gas and diesel-powered vehicles.
HEADLINES: PRI Prep Is At Its Peak
The thrash for PRI is on, Ryan Milliken’s Cummins-powered Nova nearly pulls off another X275 win, and Scheid Diesel caps off 2023 with a trio of awards.
HEADLINES: Cummins Killer III Wins At Hillsboro
The P-pumped, triple-turbo Duramax monstrosity known as Cummins Killer III earned its first victory over the weekend.
HEADLINES: A High-Flying Chevy C10 With Duramax Power
It doesn’t get much better than watching a mega truck fly through the air, does it?
HEADLINES: Ready For Takeoff
Firepunk Diesel’s new Pro Mod is ready to hit the track, a Pro Stock tractor engine lets loose and a common-rail first-gen dominates the dirt.
DHD Team Gets The Well-Deserved Victory At U.C.C.—And It’s A First For The Duramax
Not a blown-up engine nor a brush with the wall could keep Tony Burkhard and...
2001-2004 LB7 Duramax
GM’s 6.6L Duramax brought common-rail injection, aluminum heads, and 300 hp to the diesel truck segment.
2004.5-2006 LLY Duramax
The LLY Duramax moved the injectors above the valve covers and replaced the IHI turbo with a Garrett VGT.
2006-2007 LBZ Duramax
Higher injection pressure, lower compression, and best-in-class horsepower and torque made the LBZ a home run for GM.
2007.5-2010 LMM Duramax
Essentially an LBZ with more emissions equipment, the LMM Duramax added a DPF on top of EGR.
2011-2016 LML Duramax
The LML brought higher injection pressure, improved horsepower and torque, and SCR emissions technology to the Duramax line.
2017-2024 L5P Duramax
A Denso fuel system, an in-tank lift pump, a billet wheel BorgWarner VGT, and more than 900 lb-ft of torque made the L5P Duramax competitive right out of the gate.