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Discover Your Drag with Coast-Down Testing

Figure out how much straight-line speed those sticky tires or wicked wings cost you.

Featured makes: Volkswagen
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Fair Fight?

Spec Miata vs. Porsche 962 Might Sound Like David vs. Goliath, but a Direct Comparison Reveals Similar Spirits

Featured makes: Mazda , Porsche
Wiring Up an In-Helmet Radio

Driver-to-Pit communication is critical in an endurance race; we installed a Sampson Racing Communications in-helmet radio before our stint at the 6 Hours of Buttonwillow in California.

Featured makes: All
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