It doesn't require a fortune to add some horsepower to your car. In fact, here are some of the most effective engine mods ...

Affordable power gains: Four sub-$1,000 modifications can deliver measurable horsepower increases without an engine swap, according to Jalopnik. Ease-to-effort ranking: Cold air intakes are the ...

The Air Force’s program to replace the B-52H Stratofortress’s 1960s-era engines cleared its critical design review, the ...

This 2002 Toyota MR2 Spyder, known as the "Angry Hornet," is a highly engineered, over-built performance machine located in ...