Late last year, we heard that the Chevrolet Corvette would get a new DOHC V8, dubbed the LT5, at some point in 2018. We guessed this engine might end up in the Corvette ZR1, which in the 1990s, also featured a DOHC also wearing the LT5 name. This ZR1 convertible test mule seems to indicate that our guess was accurate.

Why? Just look at its hood–the pictured ZR1's hood is much taller than the one in Chevrolet's other supercharged Corvette, the Z06, which uses a pushrod V8. An overhead-cam engine is typically taller than a pushrod motor since, you know, the cams sit over the block. Fitting a DOHC V8 in a Corvette would likely require a taller hood for clearance.

A Corvette Z06, for comparison. Chevrolet

This test mule is definitely a ZR1 because it has the same wheels and blue brake calipers of the ZR1s we've seen testing on the Nurburgring. It's also sporting the smaller of two wings Chevy has fitted to its ZR1 prototypes.

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You can also see in the below video and this recent Instagram clip that the hood design on the ZR1 is quite different than the Z06.

We've heard that the ZR1 should either debut at an IMSA race this summer or at an event at the Corvette Museum. Hopefully, that means we'll see it soon.

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via Corvette Blogger

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