In time-honored fashion, racers maintain a constant vigil on rules interpretation and loopholes. As Junior Johnson once commented, When theyre looking at the ass end, you work on the front end. And ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...

When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant, which carried ratings of 400 horsepower and 400 lb-ft of torque. While the new engine's cylinder heads ...

Horse Sense:Though we tested all these intakes on a purpose-built NMRA Real Street car, the intakes legal for the class are limited. They are as follows: Stock 5.0 and Two-Valve 4.6 EFI intake, Ford ...

An upgrade to a premium air intake manifold delivers significant performance breakthroughs to enthusiasts who care about vehicle enhancement. All car owners who drive 6.7 Cummins diesel engines and ...