Horsepower/torque Archive

Horsepower/torque Gains For My 2000 Chevy Tahoe 5.7L 4

I recently purchased a 2000 chevy tahoe limited, im looking for ways of adding a lil more power, i dont want to spend too much would like to keep it under 1000 to start. Does anyone recommend the speedchips or hypertech power programmer? if so wich one?

How Much Horsepower/torque Would A Throttle Body Spacer Add To My 1999 Pontiac Firebird V6 6

Its a 1999 Pontiac firebird V6. just wondering if the throttle body spacer would help me out with horsepower/torque.