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Fuel Pump Fix Can Save Thousands
You can fix the CP4 high-pressure fuel pump problem with Ford Super Duty Trucks with a diesel common rail (DCR) Pump Conversion Kit from S&S Diesel Motorsport. Sudden failure of the CP4 pump in the 6.7-liter Power Stroke diesel engine can result in repairs costing more than $10,000. That cost is in addition to unexpected downtime of a work truck.
The kit, which was just introduced in June, was a team effort of S&S and PurePower Technologies. The latter is a division of fuel system manufacturer Stanadyne.
“The pump is well proven overseas in many industrial applications,” says Rhett Fleming, S&S Diesel. “Stanadyne said it would work in the Power Stroke engine. We’ve had it in development for the past year and a half, racking up as many miles as we could to prove it would work.”
Fleming reports the reaction to the kit has been extremely positive. “People are chomping at the bit,” he says.
The CP4 pump has been subject to recalls and lawsuits. The S&S conversion resolves the problem before it occurs and possibly takes out the entire high-pressure fuel system.
The DCR replacement has low hydraulic and acoustical noise, ultra-fast response time, and is biofuel and low-lubricity fuel compatible. The patented eccentric drive technology features pressure-lubricated cam and bushings, increasing performance, efficiency, and benchmark durability. The fuel control actuator (FCA) uses high-quality corrosion-resistant components and propriety features that keep large debris from entering the actuator. The DCR provides maximum fuel delivery of 1,250 mm3 per revolution (25 percent more than a CP4.2) providing plenty of fuel for even worn injectors that have high return.
“The kit’s suggested retail price is $1,990,” says Fleming. “The conversion takes about the same amount of time as installing a new CP4. It’ll take a certified mechanic with all the hardware, mounts, and brackets 5 to 8 hours.”
Fleming suggests that a DIY installation is possible for someone confident, handy and experienced. “Kits do come with detailed instructions,” he adds.
Initially, kits will be available for 2011 to 2019 F250 to F750 trucks. Plans are for 2020+ compatibility. See the company’s web page for a list of dealers.
Contact: FARM SHOW Followup, S&S Diesel Motorsport, 1471 W. Tipton St., Seymour, Ind. 47274 (info@ssdiesel.com; www.ssdiesel.com).

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2023 - Volume #47, Issue #4