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Fuel

• This Old Horse: Fuel Pressure Gauge

  Basic law of hot-rodding: the more you choose to modify, the more you have to modify. Build a 400-horse EFI 302 and you're going to need to update the five-speed, the radiator, the clutch, the diff,... Read More

• Fuel & Brake Line Installation

  The 1964-72 GM Chevelle, GTO, Skylark (GS) and Cutlass (4-4-2) A-body vehicles contain basically the same undercarriage. The early versions had the fuel and brake lines running down the driver's... Read More

• GM Gas Tank Replacement

  Few of us ever dwell on the fuel we use to power our favorite ride. Except for price fluctuations and an occasional gas shortage, we pump and go. After all, the receptacle that holds that precious... Read More

• Throttle-Body Spacers

  Many mechanics consider throttle-body fuel injection to be simply a computerized carburetor. Unlike the more-sophisticated multiport-injection (MPI) setups (which squirt fuel directly into the... Read More

• Electronic Fuel Injection

  Imagine you're looking over the shoulder of an early pioneer of the computer industry. He's sweating over thousands of cathode-ray tubes all spaghetti-wired together, trying to cobble up a... Read More

• E85: Flex-Fuel Vehicles

  Nearly five million alternative-fuel vehicles are currently on U.S. roads—and many of their owners don't even know it. Flexible-fuel (flex-fuel) models first appeared in 1991. Since then, each... Read More

• Living With Your Alternative-Fuel Vehicle

  Back in the 1950s, drivers of tiny imported cars often encountered derisive glares from pilots of domestic V-8 land yachts. A few years ago, the buyer of an alternative-fuel vehicle might have faced... Read More

• Alternative Fuel Glossary

  Alternative fuels have earned plenty of publicity lately. Even so, most unconventional fuel sources and powertrains are in a state of infancy.... Read More

• Cummins On Strong

  Since the advent of the automotive age, diesel-powered vehicles have been considered by many to be noisy, dirty and underpowered. While Americans have viewed the diesel engine as the redheaded... Read More

• Diesel and the Aftermarket

  Given the building demand for diesel power, there's another side of the coin to consider. What sort of aftermarket upgrades can be added to improve performance, so an oil burner is more akin to the... Read More

• Weird Science

  In the film "Back to the Future," Doc popped the hood of his time-traveling DeLorean and tossed kitchen scraps and beer cans into his gigawatt fusion converter thingamajig. It functioned much like a... Read More

• Gas Octane

  Just as proper building implosion requires big bangs at the right times at the right places, internal-combustion engines rely on controlled explosions. The correct amount of compressed air and fuel... Read More

• Roadside Diesel Repairs

  Economy and reliability are great reasons to own a heavy-duty diesel 4x4, so even when the conditions are bad it's easy to feel a bit over-confident when driving an old reliable diesel-powered truck.... Read More

• Removing and Replacing a Carburetor

  Back in the days of carbureted and plentiful used Plymouth Satellites, B-52's frontman Fred sang of the devil in his car. Beehive-sporting singer Kate did Fred one better by wailing that she had the... Read More

• Throttle Body Injection Rebuild

  The first automobiles metered their mixtures of air and fuel into the engine by way of crude devices called spray carburetors. These devices looked very much like perfume spray bottles. As time has... Read More

• Fuel Pump Replacement

  An engine needs fuel to run. Since fuel is flammable and generally explosive, it is kept in a tank a safe distance away from the explosions going on inside the engine. This presents the problem of... Read More

• Fuel Injector Connectors

  "That program is buggy" is the oft-heard phrase used to describe a computer program that isn't working right. Oddly enough, the phrase originates from the days when computers worked by way of... Read More

• What Kind of Fuel Am I?

  Many people pick a gas station based on price and/or convenience, probably because they feel that most brands of fuel are pretty much alike. Is that really the case, though? Since your choice of... Read More

• Simple Fuel Mileage Tips

  Gas prices keep rising and falling, usually stabilizing at higher levels. There's not much you can do about that, but there are several easy and inexpensive things you can do to your vehicle to get... Read More

• Replacing Mechanical Fuel Pumps

  Fuel pumps fall into two camps: electrical and mechanical. Contemporary autos, being fuel injected and subject to complicated electronic engine management controls, use electric fuel pumps.... Read More