SPY SHOTS: See the 2018 Chevy Corvette ZR1
The SpiedBilde cameras were at it again, this time capturing what appears to be the 2018 Chevrolet Corvette ZR1, which many industry watchers are expecting to be the final Corvette of the C7 generation. General Motors officials haven’t confirmed any details about a mid-engine Corvette to be released in 2019, and whether that will officially
Vote Now in the 4th Annual OnAllCylinders Readers’ Choice Awards!
Welcome to the most inclusive Readers’ Choice Awards, anywhere, ever. How inclusive are we? You don’t even have to be an actual OnAllCylinders reader—or even make any choices (simply throw darts at your computer screen or mobile device and let chance decide!)—to participate. Neat! But we hope you’ll decide to do both—read our stuff and
How to Retrofit GM LS Valve Springs on LT1 Cylinder Heads
Since the GM LS is such a popular engine series, LS-compatible parts are common and easy to find. Which means, if you’re using 1992-97 LT1-style heads on your engine, you may find more spring options if you look for valve springs designed for the LS. Those different spring types however, are not compatible. Fortunately, the




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