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PERA Core Corner

Roy Berndt
By Roy Berndt

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The planned demise of all LA Chrysler engine configurations was already in the wind for some time when the Power Tech 4.7L SOHC

engine was introduced in the Jeep Grand Cherokee in 1999. Not only was it the first clean sheet design V8 for Chrysler in 41 years, but it was the first full production Mopar with aluminum cylinder heads (we are not counting the 1965 Hemi).

Well, here we are in 2003 and guess what? They are coming out of
warranty, so where are they starting to show up? In each and every one of our shops throughout the country! So we thought it might be a good

time to take a look at some of the changes and some of the things that stayed the same.

There are three different flavors of this engine: Standard, HO and NGC (Next Generation Controller). Where did Chrysler put this engine and when? In 1999-2004 the Grand Cherokee got the Standard engine and in 2002-

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The Road to AAPEX Season 2, Ep 1

Last year, the idea was simple: Find a junker, fix it up with the best from the automotive aftermarket, and drive it to Las Vegas for AAPEX 2022. This year, it’s anything but simple. The automotive aftermarket is at the crossroads of change. Electric vehicles, driver assistance systems, autonomous vehicles, sustainability—it’s a shifting landscape. This

Engine Builder
By Engine Builder

Last year, the idea was simple: Find a junker, fix it up with the best from the automotive aftermarket, and drive it to Las Vegas for AAPEX 2022. This year, it’s anything but simple.

The automotive aftermarket is at the crossroads of change. Electric vehicles, driver assistance systems, autonomous vehicles, sustainability—it’s a shifting landscape. This year, the Big Bosses at AAPEX, Bill Hanvey, president and CEO of Auto Care Association, and Paul McCarthy, president and CEO of MEMA Aftermarket, offered a challenge. Babcox Media’s Joe Keene, an ASE-certified technician, couldn’t refuse: Find and fix a rare Lincoln Blackwood and drive it down the Lincoln Highway to AAPEX 2023.

Read Full Article

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What’s a Ford Sidevalve Engine?

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Following that first drag-and-drive event back in 2005, spinoffs of Drag Week have been happening all over the country, and the world, both large and small. In recent years, the trend has been completely blowing up!

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The Evolution of Pro Mod Diesels

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Top Fuel and Funny Car Engines

They’re the pinnacle of drag racing, and the engine builders, crew chiefs and teams who make these cars function at peak performance all season long are looking at every single area of the engine and the car to make it down the track as fast as possible.

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Choosing the correct performance racing oil is essential to ensure optimal performance and longevity of your engine.

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The experts all agree that cleanliness is the most important factor during installation, and the lack thereof is the most common problem that leads to bearing failure. But measuring is just as critical.

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Does Connecting Rod Length Matter?

Over the years, we’ve gotten asked numerous times about connecting rod length and the impact that has on an engine’s horsepower and durability. As it turns out, this question is often overthought. It’s not so much the connecting rod length that matters as much as it is the correct piston pin height. The connecting rod

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This Late Model Engines build is centered around Concept Performance’s new LTR block, which is the first aftermarket as-cast aluminum Gen V LT block. 

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