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  • Power, Longevity, And Good Looks - 2007 Ford F350 Power Stroke

Power, Longevity, And Good Looks - 2007 Ford F350 Power Stroke

This Colorado-based 6.0L belongs to the 500hp club

Mike McGlothlin
Jul 1, 2011
Photographers: Mike McGlothlin
Some of the most loyal automotive enthusiasts you’ll find are the men and women serving in our armed forces. It seems as though every military household here in the States either has a ponycar in the garage, or a strong-running truck in the driveway. And for some, both types of vehicles grace the premises. As the wife of a man in uniform, Amanda Maldonado purchased an ’07 F-350 to tow her husband’s Roush Mustang to car shows. But before she knew it, her Super Duty was the vehicle receiving all the attention. “I’d always driven trucks—even an F-250 in high school—but I didn’t realize how big the diesel world had gotten when we bought the F-350,” she told us.
Photo 2/12   |   power Longevity And Good Looks super Duty Rear Three Quarter
With 9 inches of lift and 38½-inch tires, the need for more power soon became the new focus of the build. “You could really feel the tires, so we started out with a custom tune,” she explains. Then, in an effort to push the truck to the next level, Amanda turned to the folks at Elite Diesel Engineering. The new power plan included a laundry list of upgrades for the 6.0L Power Stroke, along with supporting modifications for added powertrain longevity.
To rule out any head gasket issues, the heads were pulled and head studs replaced the factory torque-to-yield head bolts. The exhaust gas recirculation system also went by the wayside, courtesy of Elite’s EGR cooler delete kit, which came with a replacement exhaust up-pipe. Then, Elite’s Stage 2 injectors were installed, along with its Stage 1 fuel system. The regulated-return system keeps fuel flow to the heads consistent and efficient. A 58-volt, Stage 2 fuel injection control module (FICM) drives the injectors and accompanies Elite’s custom SCT tuning.
Photo 3/12   |   power Longevity And Good Looks front Three Quarter Shot
The engine’s intake system was upgraded with an AFE cold-air kit and CFM Plus intake elbow, which feeds a VGT-SSX turbo. The 65mm charger, also from Elite, retains a variable-vane exhaust housing, although it’s modified for superior flow over the factory Garrett unit. The non-wastegated turbo spools quickly, is built to handle 45 psi of boost on the street, and doesn’t mind its occasional towing duties.
Living in Fountain, Colorado, puts Amanda at approximately 5,500 feet of elevation, which made keeping the 6.0L running cool all the more important. So a Banks Techni-Cooler replaced the stock intercooler to lower intake path restrictions and exhaust gas temperature. A Snow Performance Stage 3 MPG-Max Boost Cooler water-methanol system was also added to aid in EGT reduction, as well as provide a bump in horsepower. To date, Amanda has never seen EGT exceed 1,400 degrees.
Minimizing driveline power loss is an H/D 5R110 TorqShift automatic transmission built by Elite. A triple-disc torque converter from Sun Coast sits on a billet input shaft, and additional frictions, Kolene steels, and a TransGo shift kit make up some of the internals. According to Elite, Amanda’s Power Stroke should be getting between 520 and 540 hp to the ground. And mid-14-second, quarter-mile elapsed times in the big, heavy Ford validates those numbers.
Perhaps one of the most important aspects of Amanda’s Super Duty is what she’s done to ensure the powertrain lasts. With many of the 6.0L’s injection system problems caused by lack of maintenance and finite contaminants, an FS-2500 oil filter bypass system from Filtration Solutions was installed. This keeps the oil in tip-top shape for both the HEUI system and the engine. In addition, the transmission receives added protection in the form of an external bypass filtration system.
With head studs, a scrapped EGR system, and great fuel, oil, and transmission fluid filtration, it’s a textbook example of how to make an ’03 to ’07 Super Duty last. And to last while sending more than 500 hp to the pavement. The words “power” and “durability” can finally be used in the same sentence as the 6.0L Power Stroke.

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