For most American performance cars, the early 1970s marked the beginning of a difficult period. Rising insurance costs, ...

A classic Pontiac Trans Am gets transformed into a brutally fast street machine with an LSA supercharged engine making around ...

Due to stricter government regulations, the era of unrestrained factory-built performance was coming to an end in 1971. However, GM's excitement division answered with the largest displacement engine ...

The Trans Am became the king of the Firebird castle in 1979 when it turned 10, with over 117K units shipped in just one year. Its yearly performance slightly declined in the next years, dropping to 31 ...

At the beginning of the 1970s, few things were hotter than the American muscle car. These smaller vehicles packed a ton of power and looked like the coolest things on the road. From the Ford Mustang ...

Jody Only is an author and photographer. Within the last five years in the auto industry, she has had bylines with TopSpeed, HotCars, LSXmag, Engine Labs, Chevy HardCore, and Street Muscle. She is a ...

Whether it's reworking the ignition curve on a 400ci Ram Air III or cutting down the EGR tube on an LS1 displacing 346 ci, Pontiac owners love to tweak their machines to extract additional power. In ...

Pontiac was a bastion of performance during the last days of the muscle cars from 1972 to 1974. While other brands made do with strangled, low compression engines, Pontiac figured out how to sustain ...