The Honda S2000’s high-revving F20C VTEC engine gets even wilder with a centrifugal supercharger. Watch and hear full dyno ...

LMR's flex fuel GT500 solves the pump gas or E85 choice. The car makes 815 RWHP on 93 octane and jumps to 975 RWHP with E85 ...

Engineering firm Rolls-Royce has tested a high speed engine running solely on methanol fuel. The tests are part of a German ...

A modern NASCAR race engine is a tightly controlled, pushrod V8 built for 500-mile reliability at high average RPM, with each ...