The demon of engine knock is something an owner of a traditional high-performance Pontiac knows all too well. An engine designed when 102-octane high test was at almost every fuel station in the ...

The Omni-Power Pro-4 sport injection "was designed for the serious enthusiast and professional racer to maximize their engine's horsepower, torque, and throttle response," says Steve Rothenbuehler, ...

Facing problems with the i20's throttle response. I own a Hyundai i20 Sportz and recently I have been experiencing some problems with my car. When I release the clutch after changing gears, the RPM ...