A fitting definition of a modern performance car might just be one that has superior control over every system. EFI offers outstanding digital mastery over fuel and spark and it could be said that ...

Typical, medium-duty, hydraulic brake system with front discs (red circuit) and rear drums (green circuit). Boost, or assist (blue circuit), is provided by an engine-driven pump, although the power ...

Excessive pressures and temperatures, as well as fluid incompatibility, have always spelled trouble for hydraulic cylinder seals. And the problems promise to continue. Tighter emissions regulations ...

As a refresher, we started out with a bone-stock '87 Buick GN, base-lined it, then progressively dyno and strip tested a host of proven bolt-ons. Each time we tried a new upgrade, we visited our ...