How can you not love summer?Sure, it gets hot, but it definitely beats the cold, and there’s a lot to do with your time.At Engine Builder, our team has been busy attending racing events, shows, visiting manufacturers and engine shops, and our usual content work.
When the timing cover or block does not have a dowel pin, or the dowel pin hole does not fit snugly against the pin.Take an old damper and sand down the center so that it can now slide-fit onto the crank nose.Use it to secure the cover while tightening the bolts.
Whether you’re a professional engine builder, mechanic or manufacturer, or a car enthusiast who loves engines, race cars, and fast cars, Engine Builder has something for you.Our print magazines provide in-depth technical features on everything you need to know about engine building and its different markets, while our newsletter options keep you up to date with the latest news and products, technical information and industry insiders.However, you can only get all of this with a subscription.Subscribe now to receive monthly print and/or digital editions of Engine Builders Magazine, as well as our weekly Engine Builders Newsletter, Weekly Engine Newsletter or Weekly Diesel Newsletter directly in your inbox.You’ll be covered in horsepower in no time!
Whether you’re a professional engine builder, mechanic or manufacturer, or a car enthusiast who loves engines, race cars, and fast cars, Engine Builder has something for you.Our print magazines provide in-depth technical features on everything you need to know about engine building and its different markets, while our newsletter options keep you up to date with the latest news and products, technical information and industry insiders.However, you can only get all of this with a subscription.Subscribe now to receive monthly print and/or digital editions of Engine Builders Magazine, as well as our weekly Engine Builders Newsletter, Weekly Engine Newsletter or Weekly Diesel Newsletter directly in your inbox.You’ll be covered in horsepower in no time!
While much of the new car talk these days revolves around phasing out internal combustion engines for battery-powered EVs, there are still some OEMs looking to satisfy the appetites of our engine enthusiasts.A perfect example is Chevrolet Performance’s new ZZ632/1000 large block engine – over 1,000 horsepower and 632 cubic inches of fuel consumption!
We know that crate engines can be a touchy subject for our crowd, but it’s hard to ignore what some OEMs have been churning out lately.While that may seem to contradict all the promises of moving to more hybrid and electric vehicles, car companies like Dodge and Chevrolet are also upping the ante on the internal combustion side, with products like the Hellephant and the 572 big block in COPO Camaro .
Chevrolet Performance is now taking it a step further with its latest big 632-cubic-inch, 10.35-liter, 1,004-horsepower chunky Chevrolet.The engine was shown at SEMA 2021, and crate engines like this continue to evolve with more innovation, more power, and larger displacement than ever before.
The new Chevrolet Performance ZZ632/1000 Deluxe Big Block Crate Engine is no exception.It’s the most powerful crate engine Chevrolet has ever built, with modern convenience EFI technology and more than 1,000 horsepower on 93-octane pump gas.It hits that horsepower at 6,600 rpm and delivers 876 lb.-ft.Torque at 5,600 rpm.Did we mention that these numbers are naturally aspirated?
The ZZ632 is a V8 engine with cast iron, tall deck blocks with 4-bolt power covers, 4.600˝ x 4.750˝ bore and stroke.It’s the same foundation used on the 572 block, but it’s drilled more than 0.040˝ and has 3/8″ more travel.The rotating assembly consists of a forged 4340 steel crankshaft, forged steel H-beam rods and forged aluminum 2618 pistons, all of which are internally balanced.
On top, the 632 features an aluminum expansion port cylinder head with a 70cc chamber and an RS-X design.The intake manifold is also aluminum and is a high-rise, single-plane design.The valve train consists of a billet steel hydraulic roller camshaft with an intake duration of 270º and an exhaust duration of 287º.Valve lift is 0.780˝ intake and 0.782˝ exhaust.
Speaking of the valves, the parts are titanium with a 2.450-inch intake port, 1.800-inch exhaust port, and a 5/16 OD stem.The swingarm is a forged aluminum roller shaft mounted swingarm with a ratio of 1.8:1.
Additional features for the engine include 86 lb/hr.Fuel injectors, 58X crank trigger, coil near-plug ignition, aluminum water pump, 8-qt steel sump and 4500-style throttle body.All of these offer over 1,000 horsepower at 93-octane and a 12:1 compression ratio at 7,000 rpm.
With plenty of aftermarket support for the big block, it’s not hard for people to push this engine past the 1,004-horsepower mark, whether you choose to use forced induction or not.With nearly 10.4 liters of displacement available and a fully forged bottom end, this engine is ready to take the punishment of high horsepower.
As such, rumors abound about the price of the 1,000-horsepower, 632-cubic-inch engine.Chevrolet’s MSRP looks to be in the $37K-$38K range.If you can live with the price, we’d love to know what you’re prepared to put this beast in.It will be available in early 2022.
This week’s engine is sponsored by PennGrade Motor Oil, Elring – Das Original and Scat Crankshafts.If you have an engine that you would like to highlight in this series, please email Engine Builder Editor Greg Jones [email protected]