As the intake valves open, 14 pounds of boost rushes into the cylinder. As the valves close the injector sprays a high-pressure mist of fuel. Now all the pressure is literally on the ignition system to light the fire. If you increased the boost with a hotter tune or turbo upgrade, that job gets even tougher, and the cylinder pressure is higher. A hotter spark might just be in order for your EcoBoost-powered Ford vehicle to properly light the fire.
The EcoBoost S.O.S. coils have 6 percent more voltage than stock coils. — Steve Davis, Performance Distributors
That’s why Performance Distributors created its Sultans of Spark coils for modern EcoBoost Fords. An addition to the company’s already robust line of ignition upgrades, these coils are designed to deliver more voltage to the spark plugs than the stock coils thanks to their design.
“The additional boost definitely requires additional spark for the EcoBoost. Because the EcoBoost is a motor built for torque we took a different approach to our S.O.S. coils’ design,” Steve Davis, President of Performance Distributors, explained. “Considering the millions of F-150s out there with this engine is why we decided to build our coil with windings that improve the spark in the main powerband…the low- to midrange of these trucks, which makes a lot of sense for work trucks–towing, passing, etc.”
With that in mind, Performance Distributors built its S.O.S. coils to put out greater voltage. However, unlike its traditional coil upgrades, these are designed to deliver higher output throughout the engine’s rev range in deference to the torquey output of the EcoBoost engine. The result is said to be a more thorough combustion event, which allows the engine to produce even more power.
“Being so close to the engine, they are subject to a little more heat. That’s why we improve on the quality of the thermal epoxy on the inside of the coils. Also, the OEMs are notorious for designing ignition systems that fall flat in the midrange,” Steve explained. “We, at Performance Distributors, are able to take advantage of this weakness by improving the voltage under load (hard acceleration). This is achieved by using better windings.”
…This is the first coil we’ve ever designed to improve voltage/spark geared specifically in the low-to midrange, so it must have worked! — Steve Davis, Performance Distributors
“The EcoBoost S.O.S. coils have 6 percent more voltage than stock coils,” Steve emphasized. “That is significant when considering you’re increasing it 6 percent on every cylinder.”
Clearly the extra jolt of voltage is beneficial in the high-pressure environment of the 3.5-liter EcoBoost engine. Simply swapping out the factory coils in favor of the Sultans of Spark units delivered gains of over 14 horsepower and 34 lb-ft of torque at the peaks. More impressive, the gains registered throughout the powerband, so it’s definitely an improvement in the seat-of-the-pants feel of the pickup.
“I’m not surprised at the 14 additional horsepower. We’ve experienced similar power results with our other coil-per-cylinder applications, such as with our LS S.O.S. coils,” Steve said. “However, I am pleasantly surprised at the 34 additional lb-ft of torque the S.O.S. coils provided. But, this is the first coil we’ve ever designed to improve voltage/spark geared specifically in the low-to midrange, so it must have worked!”
EcoBoost S.O.S. Applications
The Performance Distributors Sultans of Spark coils aren’t just available for EcoB00st-powered F-150 pickups. The company offers these hotter coils for a variety of applications, including the following vehicles:
• 2013-2015 Ford Explorer
• 2011-2016 Ford F-150
• 2013-2017 Ford Police Interceptor Sedan
• 2014-2017 Ford Police Interceptor Utility
• 2013-2015 Ford Taurus
• 2013-2014 Lincoln MKT
They are available individually for $55 or in sets of six coils for $299.