R.P.M. Motorsports builds two Camaros that are as similar as they are different-one a 9-second SS nitrous car, the other a single-turbo Z28 rocket.
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Going beyond the dyno graph...
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Can an "as cast" cylinder head make big power and keep money in your pocket?
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A budget set of used cylinder heads, some quality machine work, and a new set of long-tube headers take the dirty bird to the next level
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Reviving a GNX and doing the unthinkable-modifying it for 718 rwhp on E85
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Beech Bend Raceway was alive with the glory of LS-powered street cars, show cars, and race cars of all makes and models
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Corvettes by day, a wicked 10-second ’07 Silverado by night—a day in the life of Charlie Hill
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Aero-tweaking for an efficient coefficient.
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Chris Johnson’s simple ’02 Z28 proves that a well thought out combination can be faster than the sum of its parts.
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Everything you wanted to know about uploading the LS9 into a Gen-5 Camaro, but didn’t know to ask.
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Inside Kooks Custom Headers’ true dual, 3-inch, X-pipe equipped, bolt-on Fourth-Gen F-body exhaust system
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Budget suspension upgrades take the slip and slide out of the Dirty Bird’s first 60 feet.
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An engineer--who’s not a nerd--builds one of the cleanest and quickest third-gen Firebirds we’ve ever seen.
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Nitrous Outlet’s vehicle-specific total nitrous system—everything you need to make big power and look good doing it
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Manny Espino’s 9-second LSA-powered CTS-V turns up the heat in Miami
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Finishing up the high-tech wiring in Project Snowball
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Bolt-on intake and exhaust combined with custom tuning give our C6 the lungs to go the distance
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Schedule announced, mark your calendars.
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The STI Killer goes from track junky to an R&D fixture in our quest for lower lap times and improved grip
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Getting your car on track has never been easier or more affordable. We show you how!
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Can dyno operators intentionally skew horsepower numbers to trick customers? We dig deep to find out.
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Scoggin-Dickey Parts Center and Group A wheels put the binders on our '10 Camaro Project.
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Tom Tomlinson and Holley once again show off, and with a little help from Art Morrison. Things are literally shaping up to look spectacular.
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New racers, new combinations, and a great day of racing
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Chemically cool the air from your heat-soaked boost maker with methanhol injection
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