24valve, direct inject 4.9L (300cu.in.) I-6 Ecoboost w/Ti-VCT
The Ford 4.9L (300cu.in.) I-6 engine has been a reputable, dependable, durable, powerful motor of its time (1965-1996 in Ford trucks) and has been through decades of trucks with stump pulling power. Aftermarket parts have unleashed the full potential a 300 I-6 motor can put out for power with even a slighter increase in fuel economy as well. As the years progress, Ford is moving to smaller, yet powerful motors to reduce fuel consumption yet still provide power. This is where my idea for reinventing the wheel comes to place. Going with the same bore/stroke dimentions (4.00"/3.98"), a 4 valve head to help the motor breathe, direct injection for better fuel efficiency and power, and a turbo charger based on the design of the current 6.7L Powerstroke, would not only yield monstrous low end torque than the current 6.2L V8, but should deliver equivalent or better fuel economy with Ti-VCT. The motor should consist of 4-bolt main caps for the crank for better support. The motor should be an overhead cam design for Ti-VCT, and should be a cross flow design to prevent the intake air from being heated, and allow for a cooler, denser charge. I've heard of one person turbocharging a 300I-6 motor in his truck and with 18lbs of boost he dynoed out at the rear wheels at 300hp and 573ft/lbs of torque and still managed to get 15mpg with an automatic transmission. The better flowing head design of the motor I thought of, along with direct injection, turbo charging and Ti-VCT should be good for 400hp, 600ft/lbs of torque and probably 16-20mpg. This would make an awesome performing motor in an F-150 and make it a best in class horsepower and torque. It would make a good home as well in the Super Duty segment for its low end torque, power that would be almost equivalent to a 6.0L Powerstroke diesel.
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Total votes: 17
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21 - Trevor Bayne
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