Horsepower rules the streets and many performance-orientated consumers invest thousands of dollars into their cars with hopes of entering that upper echelon of those with supreme horsepower. With the ...

This was a lot tougher than we thought. Some time ago, Speed-O-Motive built a test engine whose only purpose in life was to live on the dyno and test our harebrained ideas to make more power. While ...

This is an easy way to make 600 hp from a 5.7L Hemi. The baseline engine is the very same combination used recently to test the new Edelbrock Performer RPM heads. Thanks to the combination of ...

If you are a real car guy, it should downright amaze you that it is possible to drop by a local wrecking yard and pick up what is basically a complete, big-block, race engine for around $500. OK, ...