American tuners SpeedFactory have increased the output of the Dodge Challenger SRT8 from 425 hp to 600 hp (447 kW / 608 PS) without the use of a supercharger.
2010 SpeedFactory Sports Cars SF600R Dodge Challenger
Starting with the standard 6.1-liter HEMI engine engineers increased the displacement to a full 7.0-liters (426 cu in). In addition to a higher volume air intake system matched with a chrome steel Corsa exhaust , SpeedFactory extensively utilized "a custom Comp hydraulic cam along with an 85mm throttle body with a CNC machined inventory manifold that is port matched with a blended plenum to provide a dyno-established 595-605 HP on premium-grade ninety one octane pump gas," the corporation states in a press launch.
Equipped with a six-speed manual transmission, SpeedFactory also adds a Getrag IRS and Centerforce clutch, as well as a few other goodies. The engine is not the only thing to get an upgrade on the car. The vehicle's handling is buffed up with performance-grade springs, added struts, and new sway bars. 20-inch BBS wheels are wrapped in Michelin Pilot Sport PS2 tires.
Leather seats, leather door inserts, custom floormats and various badging round out the package. The 2010 SF600R Challenger is now available, and costs $73,900.
Press Release:
SpeedFactory Introduces the 2010 SF600R Challenger
Atlanta, April 20, 2010 – SpeedFactory, the leader in modern Mopar supercars, today announced the industry’s first 6spd manual, 600 HP ‘SF600R’ Challenger, as part of their complete line of 2010 Mopar supercars.
The ?R? Designation within the SF600R Challenger denotes a SpeedFactory hello-performance, commonly-aspirated, bored, stroked and balanced 6.1L Hemi block, increasing the displacement to 426 cu. In. (7 liters).
This modern-day 426 powerplant has an all-cast rotating assembly and functions CNC ported aluminum heads with new valves, guides, seals, Bee Hive springs and titanium retainers. A custom Comp hydraulic cam at the side of an 85mm throttle frame works with a CNC machined inventory manifold this is port matched with a mixed plenum to produce a dyno-proven 595-605 HP on premium-grade ninety one octane pump gas.
Additional SpeedFactory performance adjustments include a CARB- certified high volume air consumption and Corsa stainless-steel cat back exhaust system for better respiration. The elevated strength is controlled with a Centerforce grab and a Getrag IRS with one thousand HP 1/2-shafts. Handling is advanced with performance springs and sway bars in addition to additional the front and rear strut tower braces. The SF600R Challenger rides on top rate Michelin Pilot Sport PS2 tires hooked up on staggered 20? BBS Black Edition CH-R waft-shaped wheels.
The SpeedFactory Signature package is also protected on the SF600R and features a serial numbered plaque along with SpeedFactory exterior badging and snap shots. Inside the SF600R features top class leather seats and door panels embossed with SpeedFactory branding in addition to custom ground mats.
On the addition of the SF600R Challenger to the SpeedFactory line-up, Mike Brillanti, President, SpeedFactory Sports Cars stated “This car offers supercharged power in a normally-aspirated, 6spd manual package. It’s a true enthusiast’s sports ar and it enables us to widen the appeal of SpeedFactory products to now include a 600HP vehicle for those enthusiasts who prefer a ‘normally-aspirated’ powerplant. We offer the SF600R with either a 5spd automatic or the 6spd manual transmission. ”
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