This overview illustration will help you place many of the different sensors used in a multipoint fuel-injection (MPFI) engine such as a 5.0L Ford or GM tuned-port-injection (TPI) 305 or 350. One ...

When the auto manufacturers first introduced their newfangled multiport fuel-injection systems, many hot rodders feared that the days of performance tuning and tweaking were gone. However, nothing was ...

The advent and proliferation of electronic fuel injection has made the trucks we drive far more enjoyable. Cold starts and fuel mileage are just two of the things benefitting from this milestone in ...

Electronic fuel injection is older than you think, the earliest example being the failed Bendix Electrojector system from 1957. Bosch bought the rights to the Eletrojector system and developed it into ...

In reality, the automakers have one major factor to thank for EFI: smog. That's because without the strict emissions rules placed on the manufacturers back in the '70s and '80s there would never have ...

The Komatsu hydrostatic drive uses a high-speed and low-speed motor. When lots of torque is needed, both drives work through the crankcase; but when the machine gets up to speed, a clutch removes the ...

Jack Roush once was the most hands-on team owner in the NASCAR garage. It wouldn't be odd to walk into the garage on a race weekend and see Roush under the hood, fiddling with a carburetor. But with ...