Modern engines promise more power, cleaner emissions and better fuel economy than the stout iron blocks of the 1980s and 1990s. Yet owners increasingly see some late‑model cars needing major work ...

Boosted by twin Precision turbos, Ryan Hargett's 2011 Mustang ran in the 7s at Drag Week 2019. Drag Week requires actually driving the car the car between tracks, so yes, the A/C still works. For more ...

One of the most difficult tuning problems to overcome is the seemingly ever-present engine vacuum leak. Vacuum is an important component of the internal-combustion process because it controls basic ...