Chevrolet is hoping to make huge strides with its latest announcement. The automaker recently announced the release of one of its largest crate engines yet. This new 632-cubic-inch monster engine is capable of 1,000 horsepower and 876lb-ft of torque. The ZZ632 engine is the biggest and most powerful engine to be released from Chevrolet Performance yet. It will debut at the 2021 Specialty Equipment Market Association (SEMA) show in Las Vegas. Chevrolet Performance is a subsidiary that sells brand parts. The group has been in production since 1967 and it has handled all high-performance crate engines since. Now the group has released one of its most powerful crate engines. The ZZ632 is a street engine that pumps on gas and delivers power without power adders. Chevy will be sure to upgrade their line with this bad boy. We may see it used in a Camaro or maybe even a Silverado. We’ll dive into more detail about the new engine and check out what it’s capable of.
Chevy’s New ZZ632 Crate Engine
Chevrolet’s subsidiary Chevrolet Performance recently announced their largest crate engine yet. The ZZ632 is a powerful beast of an engine that is capable of producing 1,004 horsepower and 876 lb-ft of torque. This new crate engine sees its peak power at 6,600 rpm but it easily maxes out at 7,000 rpm. Fuel is delivered by eight-port injectors with the big-block breathing through high-flow CNC-machined aluminum cylinder heads. Typically big blocks are designed with variations in port shape according to each individual cylinder. With the ZZ632, all eight of the intake ports have the same length, volume, and layout. The exhaust ports are also identical which ensures that each cylinder produces the same amount of power. About their new crate engine, the Director of the Performance and Racing Propulsion Team Russ O’Blenes said,
“This is the biggest, baddest crate engine we’ve ever built,” said Russ O’Blenes, director of the Performance and Racing Propulsion Team. “The ZZ632 sits at the top of our unparalleled crate engine lineup as the king of performance. It delivers incredible power, and it does it on pump gas.”
For the ZZ632’s iron block, Chevrolet Performance utilized the same mold as was used with ZZ572 crate engines. The difference was that the castings were machined to accommodate the large 632 cubic-inch displacement. The bores grew by 0.04 inches compared to the 572 V8s and most of the displacement gain came from a stroke that’s 0.375 inches longer. Chevrolet engineers were able to modify the block and the connecting rods to provide more clearance for this longer stroke. They utilized a forged rotating assembly and four-bolt main caps to ensure strength and durability. With their careful adjustments, they were able to take a single ZZ632 engine through 200 simulated dragstrip passes on a dyno.
The new ZZ632 crate engine is Chevrolet’s next advancement for their high-performance vehicles. The crate engine will officially debut at the 2021 SEMA show in Las Vegas. There, consumers will be able to get a closer look at this bad boy. From what we’ve learned so far, Chevy will have a very exciting engine for future use. We can’t wait to see what they do with it.
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Photo Credit: Chevrolet
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