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At Under $38,000 USD, It’s Over Double The Price Of The Discontinued LT5 Supercharged V8

Chevrolet Performance 10.4L ZZ632 1004 horsepower big block v8 engine 2021 sema show 632 cubic inch
Image via Chevrolet

The crown jewel for Chevrolet Performance for the 2021 SEMA Show is the ZZ632: a 1,000-plus horsepower engine that promises to be available to customers early next year. Pricing for the 10.4L Big Block V8 hasn’t been officially announced yet, but Gandrud Chevrolet, a dealer in Wisconsin, is taking pre-orders for the ZZ632 crate engine at an MSRP of $37,758 USD, with a listed sale price of $29,499 USD. That’s more than double that of discontinued 755 LT5 V8 crate engine, which had an MSRP of around $18,000 USD. Meanwhile, the 1,000 hp Mopar Hellephant crate engine was priced from $29,995 USD, but needed the $2,265 installation kit to go with it.

Another way to compare, the LT5 crate engine gave you .04 horsepower per dollar spent. The ZZ632 gives you .026 horsepower per dollar spent. Inflation, man.

The only engines that come close to the price of the ZZ632 are replacement motors for the COPO Camaro. Gandrud Chevrolet has those listed, too if you’re curious. Additionally, pricing for the recently announced LS427/570 small block crate engine is listed from $15,766 USD, while the 572/620 Deluxe Big Block V8 crate engine is $20,903 USD.

ZZ632 Crate Engine Spark Plugs

Chevrolet Performance ZZ632 Big Block V8: 10.4L, 1,004 Horsepower, Zero Forced Induction

The ZZ632 Big Block V8 crate engine is far and away the most powerful motor General Motors has ever announced. And it does so the old fashioned way: a cast iron, OHV design, with enough displacement to swallow a small child. And there’s no need for a turbocharger or a supercharger, either. All told, peak horsepower is dyno tested at 1,004 horsepower, and 876 lb-ft of torque. On 93-octane pump gas!
Chevrolet Performance notes that the ZZ632 Big Block V8 is not intended for marine applications. Which means boat makers will have to figure out a way to make it work. In addition, the cylinder head port design system requires its own custom exhaust system, leaving it up to the imagination of the builder. And if you’re mounting it to a manual transmission (we’re sure there are a few out there that can handle nearly 900 lb-ft of torque), you’re going to need an internally balanced flywheel to make it work.
For an idea of what a 1,000 hp crate engine looks like in a muscle car, be sure to follow Hoonigan and their Chevrolet Camaro Z/28 project for the SEMA Show.

Written by Manoli Katakis

Muscle Cars & Trucks was founded by Manoli Katakis - an automotive media veteran that has been covering the latest car news since 2009. His journalism has uncovered dozens of major product changes, updates, plans, and cancellations long before automakers were ready to make things official.

Some highlights over the years of his reporting include the uncovering of the Zora trademark before anybody else reported on the coming of a mid-engine Corvette, as well as the dead-accurate reporting of the coming of the Chevrolet Colorado ZR2, two years before it hit the market, and even before the debut of the concept vehicle. This type of reporting has immediately continued here, with reports of the original seventh-generation Camaro plans being shelved, as well as what's in store for the Chevrolet Silverado.

Some of his work can be found on massive automotive media outlets, such as Motor1. He also has been a guest on the 910AM Radio Station with Detroit News auto critic Henry Payne, as well as the enthusiast-oriented Camaro Show podcast.

Over the years, Manoli has interviewed various automotive industry titans, leaders, and people that make things happen otherwise. These include figureheads such as GM CEO Mary Barra, GM President Mark Reuss, automotive aftermarket icon Ken Lingenfelter, Dodge firebrand Tim Kuniskis, along with various chief engineers of vehicles such as the Ford F-150 & Mustang, Chevrolet Camaro & Corvette, and many more.

At MC&T, Manoli is taking his journalism expertise, deeply planted sources, driving abilities, and automotive industry knowledge to new levels, covering more vehicles and brands than ever before. This is the place where you will continue to read groundbreaking stories about American performance vehicles, pickup trucks, and sport utility vehicles. Here is where you’ll also read insights and quotes from various automotive subject matter experts on the latest relevant products, as well as some of the latest official news from their manufacturers.

Fun facts: he also once beat Corvette Racing driver Tommy Milner in an autocross with a Chevrolet Bolt EV. The biggest vehicle he’s ever driven is a John Deere mining truck. Besides a go-kart, the smallest vehicle he’s driven has been a Hyundai i10. He’s also spent time in the cockpit of various American performance vehicle icons, including the fifth-generation Chevrolet Camaro Z/28, Dodge Challenger Demon, and Ford Mustang GT350R. He has reviewed dozens of trucks, SUVs, and performance vehicles over the years.

One of his favorite new vehicles on the market today happens to be the Chevrolet Colorado ZR2 Bison. He is also a card carrying member of the Sports Car Club of America, and regularly participates in Detroit Region autocross events.

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