Pistons Archives - Import Car
MAHLE Aftermarket Expands Its Product Lines By Adding 150 New Part Numbers

The new offerings are for a variety of gaskets, pistons and piston rings, filters, valves, engine bearings and turbochargers now available for both light vehicle and heavy-duty applications.

ASE A1 Test Prep: Cylinder Heads and Gaskets

Passing the ASE A1 can be difficult. Do not go into this test with the notion that this is an exam for engine rebuilders. Many of the tasks in the A1 task list are required every day at a general repair shop for top-end engine repairs. Here are some tips.

Street Performer: 60 Years Of Chevrolet’s Iconic Corvette

The new Chevrolet Corvette LT1 engine, the first of the Gen 5 family of small block engines, combines several advanced technologies, including direct injection, active fuel management and continuously variable valve timing to support an advanced combustion system.

2014 Corvette LT1: The Engine Under the Hood

The art and science behind its combustion system makes the Corvette LT1 one of the most advanced V8 engines in the world.

Phaser-Style Variable Valve Timing System Controls And Operation

Phasers commonly can be found on just the exhaust cam or on both the intake and exhaust cams.

Memory Lane: Nuts, Bolts And Screws – Finishing A Chevy Restoration Project

Gary Goms discusses the mechanical challenges of restoring a truck that he began maintaining when he went to work in a gas station – back in 1957!

Tech Feature: Venturing Into GM Duramax Diesel Service

Back in the 1990s, GM wasn’t making too many waves in the diesel truck market. The 6.2L and 6.5L engines had been around for sometime, but they were no match for the release of the Cummins 6BT in the Dodge truck in 1989 and the Ford Powerstroke in 1994.

Tech Tip: Dodge Ram Transmission Weakpoint Leads to Converter Update

The main reason this occurs is that the piston is not properly centered on the turbine hub of the converter.

The Ins and Outs of Variable Valve Timing (VVT) Systems and Their Role in Vehicle Emissions

By the early 1990s, almost all import automotive manufacturers had a successful variable valve timing (VVT) system in production. These systems offered higher performance from smaller displacement engines at higher rpm. Do you know that VVT is playing a direct role in vehicle emissions and the way gases are burned in the combustion chamber?

Book Report: Tips for Ford Power Stroke Service and Rebuilds

The book covers the vast majority of Power Stroke diesel engines on the road, and gives you the full story on their design.

A 360

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.