2007 Ford F-250 - Happy Hunting

A 700hp Sleeper 6.0L

Mike McGlothlin
Feb 10, 2014
Photographers: Mike McGlothlin
One undeniable truth about diesel performance is that dynos can lie—but the dragstrip never does. Knowing this, we just had to take a closer look at Tommy Barnes’ 12-second ’07 F-250. After the 8,400-pound crew cab Super Duty trapped 107 mph in the quarter-mile yet only made 577 rwhp on a chassis dyno, we crunched the numbers. As it turns out, Tommy’s trap speed and elapsed time at the track mean his 6.0L Power Stroke is getting roughly 700 ponies to the pavement.
After owning his fair share of Mustangs and even a Harley-Davidson F-150 SuperCrew with a Saleen V-8, Tommy began to take note of all the high-powered diesels in his area. “I was seeing how much more power they were making than the gas trucks—and I was getting embarrassed,” he told us. “I just felt like I was throwing money away with the gas motors.” Needless to say, when a friend offered him a smoking good deal on the Lariat-optioned F-250 you see here, he jumped on it.
Photo 2/13   |   Tommy monitors the truck’s vitals on an SCT Livewire touch screen device. Stroked Diesel Performance, which uses SCT software to fine-tune the PCM, also handles the truck’s FICM tuning by using Power Hungry Performance software.
In bone-stock form and with more than 100,000 miles on the odometer, the 6.0L was due for an EGR delete, head gaskets, and studs, so Tommy turned to nearby Stroked Diesel Performance for a helping hand. After hashing out a plan to add both power and reliability to the truck’s repertoire, Stroked Diesel Performance owner Nick Copenhaver got to work. The heads were sent to River City Diesel for some port work and upgraded valvesprings, while a fresh bottom end that retained the factory rods but replaced the stock pistons with a set of fly-cut, 16.0:1 compression Mahle units was put together. Other valvetrain upgrades included a Stage 2 Colt cam from River City, and chromoly pushrods.
When it was time to amplify the 6.0L’s injection system, Warren Diesel got the call. To keep a set of its thirsty 285cc injectors happy, Warren supplied a dual high-pressure oil pump kit that added a second, beltdriven pump to the equation. Thanks to the dual pump system and according to data-logging info, 4,500 psi of injection control pressure (ICP) can be maintained at full throttle. This translates into horsepower-friendly 30,000-psi injection pressures. An AirDog II system with a revised gerotor lift pump feeds diesel to the engine, and a Driven Diesel regulated-return kit ensures each injector receives its fair share of fuel.
Photo 3/13   |   Although Tommy hadn’t yet used it when we bumped into him, he has since pulled the trigger (literally) on his two-stage Nitrous Express system. Utilizing two 0.068-inch jets yielded 817 hp at the third annual Rudy’s Diesel Performance Fall Dyno Day back in October.
Breathing through a Jobe Performance intake is a 68mm Powermax turbo from River City Diesel. Intake temps and EGT are drastically reduced thanks to a Banks Techni-Cooler intercooler system, and a TiAL blow-off valve keeps boost pressure spikes from damaging the turbo. The truck’s exhaust path was opened up courtesy of a 4-inch turbo-back system from MBRP.
Fortifying the 5R110 TorqShift automatic was left to the experts at Sun Coast. Upgraded clutches, steels, pressure plates, and a billet input shaft made the cut, as well as the company’s triple-disc 6.0L torque converter. Stroked Diesel Performance tuned both the TCM and PCM via SCT software, which makes all engine and transmission modifications work together seamlessly.
With the stock ride height, 20-inch Harley-Davidson wheels, and three-ball hitch, the truck doesn’t draw a whole lot of attention, but maybe that’s the point… Whether it was by design or personal taste, Tommy’s F-250 resembles thousands of well-kept, late-model Super Dutys—most of which are usually laced with nothing more than an air intake, exhaust, and programmer. We love the fact that this 12-second sleeper bucks that trend. After all, coming across a hot-running 6.0L Power Stroke is every Chevy or Ram owners’ worst nightmare.
Photo 4/13   |   2007 Ford F 250 Rear Three Quarter
Fast Facts
Year/Make/Model: 2007 Ford F-250
Owner: Tommy Barnes
Hometown: Valley Lee, Maryland
Engine: 6.0L Power Stroke V-8
Fuel: 285/150 Warren Diesel injectors, Warren Diesel dual high-pressure oil pumps, Driven Diesel regulated return, AirDog II fuel system
Air: River City Diesel 68mm Powermax, Banks intercooler
Horsepower: 577 hp (dyno), 690 hp (track)
Torque: 1,080 lb-ft (dyno)
Transmission: 5R110 TorqShift built by Sun Coast
Odometer: 157,700 miles
Tires: 305/55R20 Nitto Terra Grappler
Wheels: 20x8-inch Harley-Davidson
Fun Fact: To take full advantage of the 285/150 injectors and dual high-pressure oil pumps, Tommy plans to install Steed Speed exhaust manifolds, custom up-pipes, a T4 mount, and run an S400 in the future. His eventual goal is to make 1,000 hp on nitrous.

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