Excess heat is the enemy when it comes to internal combustion engines. Operating temperature is ideal, but any degree above that starts to slowly sap power, put fluids to the test, increase friction, ...

Smaller engines with fewer cylinders and less displacement could produce more power and torque by turbocharging. A turbo or turbocharger is a forced-induction device that utilizes exhaust gasses to ...

In Part 1 of Power Upgrades for the R33 Skyline GT-R (August '03), we were able to generate 331.5 hp and 299.4 lb-ft of torque to the wheels (41.9 hp and 46.2 lb-ft of torque) from three basic ...

, any increase in boost pressure also increases the temperature of the air entering the engine. This is far from ideal, as it reduces the density of the air. This then means that less oxygen is ...

Any factory turbocharged car can benefit greatly from a cooler charge of air entering the throttle body, which is where an aftermarket intercooler comes in. Though I planned to keep the engine ...