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Chevrolet finds cause and solution for Corvette Z06 engine problem

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By Gary Gastelu – Published August 21, 2015
Fox News
If you read my recent review of the 2015 Chevrolet Corvette Z06, you know it didn’t end well.

Oh, the car was a thrill. With 650 horsepower worth of stomach-churning acceleration, a top speed of over 200 mph and more lateral grip than a wall could provide, it was world class in all respects. Unfortunately, its monstrous, supercharged 6.2-liter V8 performed a dramatic act of self-immolation during some spirited laps at the racetrack.

And now we know why.

After bringing it back to Chevrolet HQ for inspection, the engineers determined that the likely cause was a piston connecting rod bearing that was damaged by debris in the oil that was left behind after tapping the threads for the oil filter. Once a piece gets jammed in there, it starts creating more debris, which keeps making things worse until finally … kablooey. In this case, it took out a few more pistons with it.

Several other engines built early in the production run exhibited similar problems, but Chevy is confident that it has solved the root issue. Nevertheless, it is now recommending that all Z06 owners change their oil after the 500-mile break-in period to make sure that it’s clear of any debris before any of it gets stirred up into the important parts during high-performance driving.

Full Story: Chevrolet finds cause and solution for Corvette Z06 engine problem | Fox News

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Rob Loszewski @https://twitter.com/CorvetteAC

Robert M. Loszewski is the Owner and Site Administrator of the Corvette Action Center; a quality-driven Corvette news and information web site that he started in 2000. Over the years, Loszewski has built the Corvette Action Center into one of the largest online repositories of Corvette information going all the way back to 1953.

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