Performance Archives - Page 5 of 7 - UnderhoodService
Tech Talk: Boosting Your Technical Knowledge on Turbos

Supercharger and turbocharger Q & A with Dave Hobbs,
Delphi Product & Service Solutions service trainer. In addition to his work with Delphi, Dave Hobbs serves as an instructor for Indiana’s Ivy Tech Community College. He is also a frequent speaker at national training seminars, is a qualified hybrid instructor and writes for various industry magazines.

Flexing Rocker Arm Muscle

How a Time Tested Technology Has Provided Proven Performance

The DeLorean – Back From the Past Part II

This article explores performance modifications that have been developed for the DeLorean from the time of its release to the present day. Although anything is possible, performance modifications over the past 30 years have focused primarily on the areas of engine modification (or replacement), and suspension modifications. I won’t be getting into time travel modifications – those are beyond the scope of this article.

Less Is More: Fiat’s Two-Cylinder Marvel ‘Dominates the Gobe’

A two-cylinder powerplant wins the 2011 International Engine of the Year title.

Tech Tip: Toyota Matrix MIL ON/DTC’s P0011, P0012 or P0016 Set

Under certain conditions, customers may experience an MIL On condition with DTC P0011, P0012 or P0016 stored in the Engine Control Module/ECM.

Tech Spec: Nailing Down the Misunderstood Buick Nailhead

Like the Small Block Chevy, the Rocket 88 Olds, the Ford Flathead and the Chrysler Hemi, the Buick Nailhead engine is one of those that has the immortal smell of history all over it. Yet, unlike its more familiar brothers, cousins and even competitors, the Nailhead has an aura of mystery about it as well.

Road Trip: Leading the Pack — 100 Years of Indy Pace Cars

The Antique Automobile Club of America (AACA) Museum in Hershey, PA, will commemorate the event — Coming May 6 through October 9, 2011

Road Trip: On the Fastrack to the Justice Brothers’ Museum of Speed

Since 1985, the museum has shown an incredible collection of legendary American racing vehicles and more.

Tech Feature: Family Ties – Servicing Chrysler’s Versatile 3.3L and 3.8L Engines

First introduced as a family back in 1990, these engines have been upgraded and improved to provide good torque for the necessary applications, reasonable fuel economy and a reputation for durability and appropriate performance.

Tech Tip: Performance Diesel Engine Service Notes

Diesels are setting all kinds of records from land speed to elapsed time. So if you’re not already dabbling in diesel performance, you may be soon. Diesel engines are a different type of animal when compared to gasoline engines. While both use the same four-stroke cycle of combustion, diesels use the heat of compression rather than a spark to ignite the air/fuel mixture.

Z Sport, Part 3: Subaru WRX Engine Modifications And Dyno Testing

In this third article of a series, Larry Bailly continues to detail the performance mods done on a 2005 Subaru WRX project car, the daily driver of Charles Damewood, who manages the service department and ­coordinates all aspects of Z Sport’s operations. Read on to learn how Z Sport “punches up” performance!

Tech Feature: Hemisphere Exploration – Journey to the Center of the 5.7L Hemi

The 5.7L HEMI Magnum V8, which made its debut in 2003 in Dodge Ram 2500/3500 series trucks, was quite an improvement over the older 5.9L V8 it replaced. The engine was 56 lbs. lighter, produced 41% more horsepower and 12% more torque than the previous motor. Better yet, it also delivered 8-10% better fuel economy.