![]() Competition Exhaust (Mentioned Above): $430.When used in conjunction with the freer flowing cold-side intercooler pipe and intake elbow mentioned above, an extra 25 to 30hp and 80 lb-ft of torque can be gained (at the wheels). For a 25 percent increase in rail capacity, Elite Diesel Engineering offers Stage 2 rails, which adds a few more ponies to the mix and also helps improve responsiveness. Once a big horsepower tune is introduced, the 6.4L’s fuel rails are on the verge of being completely drained during prolonged instances of wide-open throttle. During testing, Pusher’s components provided a 42 percent increase in airflow over the OEM pieces. Pusher Intakes’ intake system for the ’08-’10 Fords replaces the restrictive factory cold-side intercooler pipe (passenger side) with an unobstructed, 3-inch diameter pipe and a smooth-transitioning intake elbow. The 6.4L responds extremely well to subtle airflow mods. $2,300 Budget (600rwhp) Cold Side CAC Pipe and Intake Elbow: $439 ![]() ![]() With a gain of 10 to 20hp, you won’t feel it in the driver seat, but this system eases serviceability, matches or exceeds the factory filtration standard and offers an oiled air filter option, which means it’s reusable. For the price alone, you simply can’t beat it. This is one of the most popular cold air intakes for the 6.4L. While aluminized exhaust systems don’t hold up as long as their stainless steel counterparts, those living in the rust belt can still expect to get a solid, 5-6 years out of them. Race Exhaust: $430Īn aluminized, 4-inch diameter, turbo-back exhaust system is the most affordable path to opening up flow on a 6.4L Power Stroke. (For reference, most ’08-’10 6.4L-powered Super Dutys make 280 to 290rwhp in bone-stock trim). All of the above is a perfect recipe for making big power. On top of that, the engine benefits from compound turbocharging right out of the box. This is because the 6.4L Power Stroke makes use of a common-rail fuel system that employs lightning-quick, piezoelectric injectors and a Siemens K16 high-pressure fuel pump that outflows a comparable Bosch CP3 by 20 percent. In the 6.4L’s case however, an incredible 550 to 580rwhp can be made with custom tuning in the mix. Similar to the 7.3L and 6.0L Power Stroke, custom tuning allows you to get the most out of your injectors. Warning: Things get expensive, fast, once you begin to venture past 600rwhp.The labor to have these parts installed has purposely been excluded.Each budget assumes you’re starting new, with a bone-stock truck.Without head studs, blown head gaskets can result with a hot programmer in the mix.These horsepower recipes assume the truck you’re working with is in good overall health (injectors, lift pump, turbos, up-pipes, transmission).Stick around to find out what the cutting-edge 6.7L Power Stroke is capable of next! Things to Keep in Mind: If 600hp simply won’t suffice, fear not, as we’ll clue you into what you need to do to keep your 6.4L reliable as you pursue even loftier goals. However, and as you’ll find out below, pressing beyond this point requires you to spend some pretty big bucks. Not bad, eh? Perhaps the best part is that-in most trucks-the factory 5R110 TorqShift automatic handles the added power quite well. Take it from us, it’s pretty cool watching a tune-only, standard cab F-250 run mid-12’s in the quarter-mile.īeyond the initial $1,500 hit, small tweaks in airflow (intercooler piping, intake elbow) and fueling (ported fuel rails) can help you creep past 600rwhp on the OEM turbochargers and injection system. ![]() Granted, at $1,500 the 6.4L is a little more expensive to unlock than its predecessors (the 7.3L and 6.0L), but you get a lot more for the money. With custom-tailored tuning, the average ’08-’10 Super Duty can be taken from a measly 280rwhp to a Camaro-killing 580rwhp (along with an earth-rotating 1,200 lb-ft of torque). The 6.4L Power Stroke brought a whole new meaning to the words “plug-and-play.” Thanks to being equipped with quick-firing piezoelectric injectors, a high-volume injection pump and compound turbochargers from the factory, the 6.4L has arguably the best out-of-the-box potential of any diesel to ever grace the pickup segment. ![]()
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