Technotes
Engine Builders: The AERA Technical Committee reports information regarding cracked valve spring retainers on 1999-2002 Audi/Volkswagen 1.8L turbo AEB and ATC engines. This information is an update to a previously published bulletin as some information has changed. It had been reported that exhaust valve retainers have cracked while in service allowing valve keys to unlock
PERA’S Core Corner: Looking For Leakers In Ford’s Duratec 3.0L Engines
Living in a home that was built in 1910 is a bit like living in a piece of history, and the character that goes along with it is truly fulfilling. Yet a home this old does bring its own challenges, so during the past month or so I have been replacing the remaining cast iron
Performance Pistons
Piston manufacturers are introducing new performance pistons for all of these applications as well as refining existing piston designs to reduce weight, and improve strength, durability and ring sealing. Piston design and manufacturing used to be a relatively low-tech process. Now, with the aid of finite element analysis and other computer modeling techniques, many aftermarket
Align Honing Principles
If you ever want to get scared, check out what a crank looks like at high RPM. If you’re interested, the machine to do this with is called a Spintron. What you’ll see is a large, heavy, supposedly rigid chunk of steel squirming around like crazy. You’d swear any metal walking around that much would
Searching For The Complete Clean
Many shops have systems that work well for one but not so well on the other. Are there effective ways to clean both types of metal with one setup? The answer to that depends, in large part, on what you consider clean. Most shops have some type of cleaning equipment, whether it is an automated
Final Wrap, Randy Dorton Celebrated At Engine Builder Finals
Danny Lawrence and Greg Gunnell from Richard Childress Racing might have won the race, but it was Randy Dorton’s memory that was celebrated in Victory Lane. During the final round of the Clevite Engine Builder Showdown, held May 24th at the NASCAR Technical Institute in Mooresville, NC, Lawrence and Gunnell beat the team of Mike