Cylinder head porting


Dyno Video: Katech Performance Adds 23 Horsepower to LT1 Engine

Katech Performance has the new C7 Corvette LT1 engine on the dyno, testing air-induction options, headers, camshafts and cylinder-head modifications. Read all about it here!Read More


Ferrea Helps Explain Valve-flow Dynamics

While cylinder head porting receives most of the attention, valve design is also important. After all, there's no greater restriction in performance intake systems than the traditional poppet valve. Check it out.Read More


Dart Heads Big Chief, Pro1 LS CNC and Pro1 BBC Offerings

Dart Heads released a bunch of new part numbers at PRI this year. We check out their Big Chief, Pro 1 CNC LS1, and Pro 2 BBC 380cc heads in this quick hit.Read More


Living Large: A look at Michigan Powerhouse Livernois Motorsports

We head to Dearborn Heights Michigan, to get inside access to Livernois Motorsports' massive 36,000 square foot facility. We sat down with Engine Department Supervisor Mike Schropp for the low down on this mechanical Mecca. Read More


PRI 2011: Patriot’s Killer Predator LS And Ford Mod Stage II Heads

The battle between Ford versus Chevrolet rages on, in fact, with increased fervor thanks to the rekindling of the Camaro/Mustang pony wars. Patriot Performance has done its part in arming both sides of this battle. Read More