Performance Archives - Page 4 of 7 - UnderhoodService
Expect to See More Turbocharged Vehicles in Your Shop

As gas prices remain high this summer driving season, Honeywell Turbo Technologies says it is working with auto manufacturers to meet the increase in demand for affordable and fuel-efficient downsized turbocharged engines.

A 360° Look Into the GM 60° 3.1L Engine

Over the years, GM has saved a bundle on manufacturing the 3.1L engine by using the production line tooling it originally developed for the 2.8L V6. By simply changing the bore diameter, the displacement of the same engine block could now be increased for more power and torque.

Diagnosing Murphy’s Law Under the Hood of a Ford F-150

Most of us working in the automotive service trades are very familiar with Murphy’s Law and how it affects our shop’s cost of doing business. Murphy’s Law says, “Everything that can go wrong usually will go wrong.” Gary Goms investigates a mysterious engine noise in a 1989 Ford F-150 pickup equipped with the venerable 5.0L or 302 cubic-inch V8 engine.

Mercedes-Benz: Managing Misfires, Solving Those Strange, Intermittent Engine Vibrations

Automotive Electronics Diagnostician Sergio Fernandez discusses how to solve those strange, intermittent engine vibrations on a 2003 E320, with 3.2L V6 engine and 120,000 miles. The diagnosis begins with these findings: DTC P0305, misfire on cylinder #5; and DTC P0301, misfire on cylinder #1.

Getting Stoked to Service the 6.0L Power Stroke

If there were one engine that plagues the mid-size diesel world, you would have to say that it is the 6.0L Power Stroke. The 6.0L came into existence because the EPA demanded tighter emissions laws for diesel engines. Even though the 7.3L was branded as the reliable workhorse for Ford, it would never be able to pass the tighter emissions laws that were going to come into effect for 2004.

Tech Tip: BMW’s Power Reduction and Vanos Faults Are Stored In DME

Affected models: E82 and E88 (1 Series) with N51, N52K and K54 engines ­produced from January 2008 E90 and E91 (3 Series) with N52 engine produced from March 2005 through June 2006 E90, E91, E92 and E93 (3 Series) with N51, N52K and N54 engines produced from July 2006 E85 and E86 (Z4) with N52

Report Card — ‘Defender’ of the Land

According to Land Rover designers, replacing the iconic Defender is one of the biggest challenges in the automotive design world

Tech Feature: Troubleshooting Internal Errors – Solving Piston and Ring Breakdowns

Rings that do not seal well during all four phases of the four-cycle combustion process can reduce an engine’s power potential by 20, 30, 40 or more horsepower, depending on the engine’s displacement, compression ratio and speed. Rings that leak during the intake stroke will reduce air velocity and volumetric efficiency.

Cadillac Ciel Concept Celebrates the Journey

The spacious and elegant concept car Ciel is powered by a twin-turbocharged version of the 3.6-liter Direct Injection V-6 engine, paired with a hybrid system using lithium-ion battery technology. The Ciel – pronounced “C-L,” the French translation for sky – is a four-seat convertible that opens a new chapter in Cadillac’s design and product ascent, pushing the brand’s Art & Science philosophy into a new stratum.

The Third Annual Muscle Car & Corvette Nationals Rolls Into Chicago

The world’s largest specialty event devoted to classic muscle cars and Corvettes will take place November 19-20th at the Donald E. Stephens Convention Center.

Directions: Performance Powered – Chevrolet Celebrates 100 Years

For its first 40 years, Chevrolet seemed content designing, building and installing four- and six-cylinder engines in its

Tech Spec: Tackling Old Timers – Salvaging Pre-War Era Engines

It’s often surprising to some people that parts for these cars are still available. For other engine specialists, it’s sometimes more surprising when they aren’t.