Building and testing a 427ci BigBlock Hot Rod Network

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A small block Chevy motor can be stroked and bored to over 400 ci (as evidenced by our high-performance Chevy engines). No, it comes down to bore centers. The small block has bore centers spaced 4.4 inches apart. On the big block, those centers are at 4.84 inches. With more metal separating the bores, there's extra space for cooling galleries.

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The Chevrolet "big block" engine is a term for a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline -powered, V8 engines; that were developed and produced by the Chevrolet Division of General Motors, from the 1950s until present.

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"The big block Chevy is one of the most raced engine platforms in motorsports. We've compiled some history and a massive library of parts swap knowledge into a comprehensive resource. Read on!" The big-block Chevy goes by many names - the Rat, the Porcupine, and if you go back far enough, the semi-hemi.

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Big-block Chevy engines come in two deck heights (measurement from the crankshaft centerline to the head mounting surface), standard deck height is 9.8 inches, and tall-deck height is 10.2 inches. Truck (industrial) blocks are typically tall deck.

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Crate Engine, Longblock, Chevy, Big Block, 496 Stroker, 454 Stroker, Aluminum Cylinder Heads, 575HP. Part Number: MLL-BP4967CT 4.0 out of 5 stars

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Big Block Crate Engine Comparison | Chevy Performance Parts Bolt EV From: $26,500 Build & Price Bolt EUV From: $27,800 Build & Price Trax From: $20,400 Build & Price Trailblazer From: $23,100 Build & Price Equinox From: $26,600 Build & Price Equinox EV Upcoming Sign up for updates Blazer From: $35,400 Build & Price Blazer EV From: $56,715

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LSX 454 Crate Engine | Big Block | Chevy Performance Parts Bolt EV From: $26,500 Build & Price Bolt EUV From: $27,800 Build & Price Trax From: $20,400 Build & Price Trailblazer From: $23,100 Build & Price Equinox From: $26,600 Build & Price Equinox EV Upcoming Sign up for updates Blazer From: $35,400 Build & Price Blazer EV From: $56,715

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The ZZ572/720R Deluxe crate engine is Chevy Performance's most powerful big block engine - the king of all rat engines - and is ready-to-run when delivered. ZZ572/720R Deluxe Crate Engine | Chevy Performance Parts. Engine Type: Chevy Tall Deck Big-Block V-8; Displacement (cu. in.): 572; Bore x Stroke (in.): 4.560 x 4.375;

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The Complete History of Chevy Big-Block Engines The Family Tree Unlike lesser engines, the evolution of the big-block Chevy can be traced back to a prestigious great-great-grand pappy, the high-performance 425-hp L78 396, first available in 1965 Corvettes and Chevelles.

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Big Block Chevy 4.250 in. Bore 9.800 in. Deck Height Ductile Iron Main Caps Sold Individually View Details $3,462.09 (1) Ships on 04/15/24 Lowest Price Guarantee Add To Cart Dart 31223345 Part Number: 301-31223345 Dart Big M Sportsman Iron Engine Block Big Block Chevy 4.250 in. Bore, +.400 in. Raised Camshaft Big M Sportsman Iron Engine Block

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CHEVROLET Chevy big block Gen V Crate Engines - Free Shipping on Orders Over $109 at Summit Racing Home Crate Engines CHEVROLET Product Results Filters In Stock. Ships Today. (2) Get Results Brand BluePrint Engines (17) ATK High Performance Engines (8) VEGE (4) Chevrolet Performance (2) ATK Marine Engine (1) Get Results Crate Engine Family

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Discover the Chevrolet Performance classic ZZ427/480 big block crate engine & learn how it is built for greater drivability and a broader performance range. ZZ427/480 Crate Engine | Big Block | Chevy Performance Parts. Engine Type: Chevy Big-Block V-8; Displacement (cu. in.): 427 (7.0L) Bore x Stroke (in.): 4.250 x 3.750;

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Small Block, Big Block and Sealed Crate Engines | Chevy Performance SUVs Trucks Electric Performance Commercial Upcoming Bolt EV From: $26,500 Build & Price Bolt EUV From: $27,800 Build & Price Trax From: $20,400 Build & Price Trailblazer From: $23,100 Build & Price Equinox From: $26,600 Build & Price Equinox EV Upcoming Sign up for updates Blazer

Engine Month Today Is 427 Day! Celebrate the Chevrolet BigBlock


Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. PART NO. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability.

Engine Month Today Is 427 Day! Celebrate the Chevrolet BigBlock


Our Big-Block crate engines have evolved to become more innovative, more powerful, and bigger than they've ever been. The new Chevrolet Performance ZZ632/1000 DELUXE Big-Block Crate Engine is no exception. It's our most powerful crate engine ever, with the modern convenience of EFI technology, providing more than 1,000 horsepower on 93-octane.

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10 Big-Block Chevy Crate Engines Under $6,000 Power output, cost, mass, and wow factor. The Chevy V-8 ticks all the boxes. View Gallery 13 Photos Related Video Click to Unmute Johnny.