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Dodge announced plans to release a 2016 Viper American Club Racer with 645 horsepower and 600 foot-pounds of torque—a purpose-built track car that is still street-legal. The 2016 Dodge Viper ACR will feature an 8.4L V10 engine typical of other Viper models. Engineers improved the performance of the 2016 Viper ACR by improving the vehicles

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring a technique for proper intake manifold-to-cylinder head sealing. C.M. Chicago, IL Q: I purchased a set of Edelbrock aluminum heads for my 1979 Corvette 350 engine. The engine has a 280-degree duration solid lifter camshaft, 10:1 compression pistons, and