Although the perception is that today's new cars are computer controlled, making it difficult for the do-it-yourselfer to improve his or her car's performance, in actuality today's cars respond to ...

Back in the "good old days" of hot-rodding that most of us have fond memories of, if you wanted to improve the performance of your new car it could be done by simply bolting on the right parts. Using ...

On a 5.7 HEMI, shorty headers promise easy bolt-on power without turning your daily driver into a race-only project. The real question is how much horsepower they actually add compared with stock ...

Sagging or collapsed engine mounts are a real issue with the aging 5.0 fleet. If your 5.0 has 100,000 miles on it, it's time for new mounts. Inspect the engine-driven radiator fan. Does it rub on the ...