Previous tests have shown unequal-length short-tube headers are worth around 7 hp on a near-stock 5.0 engine, while equal-length short-tubes typically pick up around 11 hp. Frankly, we were amazed at ...

When utilizing long-tube headers, the oxygen sensor is moved farther away from the exhaust port of the cylinder head. This can cause driveability problems in some applications. If your sensors are ...

Chrysler has produced the Gen-3 HEMI engine since 2003, and since that time, it has undergone some substantial changes. Beginning with the 5.7-liter HEMI, the Gen-3 HEMI platform soon included various ...

Most headers go on from underneath, so the car needs to be as high as possible. Most of us don't have the luxury of the preferred hoist, so we'll have to settle for a good floor jack (not a bumper ...

Headers are among the most widely used pieces of speed equipment; tubular steel exhaust replacement components are found on virtually every form of performance-oriented engine. Thus headers are always ...

ATTEMPTS to count small particles suspended in fluid flowing through a tube have not hitherto been very successful. With particles such as red blood cells the experimenter must choose between a wide ...