You can say you can feel the power of your latest performance mod coursing through your veins. You can quote the manufacturer's estimates, but the bottom line to knowing the extent of your car's power ...

In our "Dynos Lie, Dyno Dash" article in the June 2003 issue, we proved that the readouts of the same 350Z on different brands of dynos can vary greatly. Now we'll uncover tricks that can be used to ...

How many years have you been tinker-tuning your Corvette only to have to keep popping the hood for more tweak-tuning? Can't quite get the carburetor in a proper state of tune? Rough running, misfire, ...

It's a story as old as hot rodding itself. It starts with the sales pitch-"Buy my widget and your engine will gain 50 hp"-and ends with a disappointed customer with a car that sure doesn't feel like ...