Chevrolet unveiled its biggest, most powerful crate engine to this point on the 2021 SEMA present this week, and now it is provide a tease of this large engine’s sound.
The Chevrolet Efficiency ZZ632/1000 V-8 crate engine displaces 10.35 liters, or 632 cubic inches, and may rev to 7,000 rpm. Chevrolet Efficiency just lately posted a brief video on Instagram displaying the big-block V-8 hitting that rev restrict on the dyno.
The ZZ632/1000 has a claimed output of 1,000 horsepower and 876 pound-feet of torque. It is also designed to run on common pump gasoline.
Whereas 7,000 rpm is the advisable rev restrict for the engine, peak horsepower happens at 6,600 rpm, in response to a dyno chart launched by Chevy as a part of the engine’s reveal. Peak torque is accessible at 5,600 rpm, and the engine produces over 600 lb-ft at simply 3,000 rpm.
The ZZ632/1000’s iron block is shared with Chevy’s smaller ZZ572 line of crate engines, with the elevated displacement achieved by way of barely wider bore and an extended stroke. Solid metal is used for the crankshaft and connecting rods whereas solid aluminum is used for the pistons. Gas is delivered by way of port injectors, one for every cylinder. Chevy made the scale for every port the identical to make sure related energy from every cylinder, versus various them as in most big-block V-8s.
Chevy hasn’t introduced pricing for the ZZ632/1000 however earlier than you begin in search of mission vehicles to place it in, be aware that Chevy says the engine is designed for competitors use solely and can doubtless violate emissions guidelines in some states.
The 2021 SEMA present runs November 2-5. For extra protection, head over to our dedicated hub.
