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Camshaft Only | Worth It For Hellcat? DYNO TESTED!

Editorial | News : May 5, 2023

  Today we’re showing you how camshaft only performs in a Hellcat. (Full Video Below)   Now when you think first few modifications for a Hellcat, normally intake and pulley are at the top of the list. Given that this combination picks up over 100hp at the wheels it’s easy to understand why and since […]

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A Truly Majestic Motorsports Experience

Dyno : April 25, 2022

  Installations Doing it right the first time with our expert motorsports technicians can save you money down the road. This is why we offer a motorsports grade installation program that takes the uncertainty out of what should be a majestic motorsports experience. Click below to learn more about our full motorsports grade installation service.  […]

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North Carolina Dyno Tuning Experts

Dyno : December 24, 2019

A new kind of dyno tuning experience Dyno tuning gives us the ability to interact with every aspect of your engine’s power development. With the ability to simulate a variety of different driving situations – you can evaluate how your tune stands up to the conditions that it will encounter in the real world and […]

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Dyno Charts Now Available

News : February 18, 2009

We’ve updated the Dyno/Tuning section of the National Speed website to now include dynocharts from some of the cars we’ve tuned. This is just a small selection of the dyno charts that we have available. There’s plenty more to come. We just wanted to give you a preview of the upcoming feast…kind of like how […]

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Diesel Dyno Day

Events | Past Events : October 1, 2008

Saturday, September 20th marked National Speed’s first annual Diesel Dyno Day. In between coughing fits from all the smoke and chomping down on juicy burgers we ended up dynoing over ten massive diesels with John Porterfield taking home the most horsepower trophy (826.84) and Nate Eix claiming most torque (1020). Congratulations guys, but I still […]

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