The 1,064-hp twin-turbocharged V-8 makes the ZR1 the most powerful gas-powered American production car.
ZR1’s twin-turbo LT7 V-8 uses turbos to spin up 1,064 hp. We’re getting 1,064 hp instead. That makes the ZR1 not only the most powerful Corvette of all time, but also the most powerful gas-powered American production car of all time, Chevy boasted on Thursday. If the 375-hpThe power comes courtesy of the new LT7 twin-turbocharged dual-overhead-cam 5.5-liter V-8. It’s a version of the Z06’s LT6 670-hp V-8.
Chevy isn’t giving many performance figures yet, noting that some of that stuff needs to be done with cars that aren’t covered in camouflage. However, engineers expect a. Chevy also says the car can go from 80 to 200 to 80 mph in 24.5 seconds, 22% quicker than the C7 ZR1.told Motor Authority that the ZR1 has put up seven-minute times at the Nürburgring with him at the wheel in traffic and using a standing start, implying faster times are likely.
Expect top speed, 0-60 mph, and times at other tracks to be announced closer to the car’s on-sale date. Same goes for pricing, though that should start in the upper $100,000s and top $200,000 with the available ZTK Performance Package. More on that in a bit.remains the only choice, but it had to be revised to handle the ZR1’s grunt. It has wider gear profiles, stronger shafts, and improved lubrication.Stronger brakes are also needed to arrest the ZR1’s higher speeds.
More speed and more power required more downforce and more cooling ducts for both the coupe and convertible body styles. Up front, the base ZR1 increases downforce with a carbon-fiber splitter, an underwing with stall Gurney deflectors, and a flow-through hood. The side intakes add brake ducts at their trailing edges, and the coupe gets new intakes on top of the rear fenders to supply more air to the engine.
All told, the ZR1 additions will increase the weight about 200 pounds over the Z06 with a dry weight of 3,670 pounds for the coupe and 3,758 pounds for the convertible. Chevy says the suspension tuning will be slightly softer than the very track-focused Z06. The ZTK package will be stiffer, but not as stiff as the Z06 with its Z07 Performance Package.Interior changes amount to only ZR1 badges and a slightly different door upholstery pattern.
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