Your intake manifold is the heart of your engine’s breathing system, and when it’s clean, sealed, and tuned right, performance and efficiency thrive. From spotting vacuum leaks to knowing when to ...

Among the many pesky issues that can confound do-it-yourself mechanics, one of the most simple yet elusive that impacts overall drivability is the common vacuum leak. This is especially true if you're ...

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, ...

Few hobbyists will deny that from the mid-'70s forward, the Second-Gen Trans Am was Pontiac's performance leader. Its front and rear spoilers, wheel flares, and fender-mounted air extractors all ...