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. Even though the big-block was destined to eventually find a home in trucks and family sedans, it started off as a serious ...Jan 30, 2024 · 1983 Chevy 454 Engine Specs Engine Configuration. The 1983 Chevy 454 engine was a part of the big-block engine family manufactured by General Motors. It was a V8 engine with a displacement of 7.4 liters or 454 cubic inches. This engine was commonly used in various Chevrolet vehicles during the 1980s, including trucks, vans, and recreational ... May 18, 2009 ... It responds excellent to basic modifications such as a 266H or 268H cam Holley 750Dp/Performer-2 Intake and Headers to get trouble free 400+Hp ...The descriptions and specifications contained in this manual were in effect at the time of printing. Crusader Marine Engines’ policy of continued improvement reserves the right to change specifications or design without notice and without obligation. This manual will cover the following year of manufacture Crusader engines: YearModelFlywheel / Flexplate: Like all big block V8 engines, the 454HO engine has 3.58" diameter flywheel flange bolt pattern. This engine comes equipped with a 14" diameter flexplate with a 168 tooth ring gear, GM Part Number 10185034. If your application requires a flywheel, GM Part Number 14096987, should be used.Advertisement Kindle Paperwhite measures 6.7 inches (169 millimeters) high by 4.6 inches (117 millimeters) wide. It is a scant 0.36 inches thick (9.16 millimeters for the WiFi-only...Engine Weight: Roughly 685 lbs; 454 Horsepower: Ranged from 230 hp to 450 hp; 454 Torque: Up to 500 lb-ft; As the 1970s progressed, the Chevy 454’s engine …Kohler engines are known for their reliability and performance. Whether you are using a Kohler engine in your lawn mower, generator, or other equipment, ensuring that the torque sp...454CI V8 Specifications and Technical Configurations. The 1970 LS5 featured a standard cast-iron block, which housed a forged-steel crankshaft, with a total of five main bearings. While most 454ci V8s were of a two-bolt main design, a number of four-bolt main LS5s have been recorded. Attached to this crankshaft, was a set of I-Beam forged steel ...Technical Specifications PERFORMANCE TO MOVE YOU 03/18. 2 ... Engines at the address listed below, and, for a processing fee of $10.00, a new owner’s registration card will be issued to you. Any questions concerning service, parts or this warranty should be directed to your selling dealer. If your dealer is unable to assist or if you relocate ...1988-1990 L19’s were Mark IV 454 blocks, with 4 bolt mains and a 2 piece rear-main seal. Air and fuel was supplied 2 barrel throttle body EFI system. The cylinder heads were the ubiquitous peanut port small ovals. Valve-train was non-adjustable with a flat tappet camshaft. Compression ratio checked in at a whopping 7.9:1.The information below is divided into the following sections: package contents, engine fastener torque specifications, component information, start- up and break- in …1982 Chevy 454 Engine Specs. The 1982 Chevy 454 engine is a powerful and reliable V8 engine that was commonly used in various Chevrolet vehicles during that era. It offered impressive performance and was known for its durability. Let’s take a closer look at the engine specifications, configuration, and recommended service intervals. ...Jan 30, 2024 · 1983 Chevy 454 Engine Specs Engine Configuration. The 1983 Chevy 454 engine was a part of the big-block engine family manufactured by General Motors. It was a V8 engine with a displacement of 7.4 liters or 454 cubic inches. This engine was commonly used in various Chevrolet vehicles during the 1980s, including trucks, vans, and recreational ... See All 21 Photos. The stock, 114cc, heart-shaped combustion chambers were designed for a 4.50-inch bore (the 8100 bore measures 4.25). The chambers overlap the 496's bores, which shrouds the ...Engine Detail: International Harvester D-179: diesel: 3-cylinder: liquid-cooled: Displacement: 179 ci 2.9 L: Bore/Stroke: 3.875x5.0625 inches 98 x 129 mm: Air cleaner: dry Rated RPM: 2200 Starter volts: 12 Oil capacity: 8 qts 7.6 L: Coolant capacity: 12.5 qts 11.8 LDetailed specs and features for the Used 1991 Chevrolet C/K 1500 Series 454SS including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and ...Jan 15, 2024 · The 1973 Chevy 454 engine is a V8 engine that belongs to the Big-Block engine family. It features a displacement of 454 cubic inches, which is equivalent to 7.4 liters. This massive displacement allows the engine to generate an impressive amount of power and torque. The engine is equipped with a cast-iron block and cylinder heads, providing ... While the majority of big-blocks displaced 454 inches, Chevy did build a production engine displacing 496ci. But the future of the Rat appears to be stroker versions and today you could easily build a stock deck height Rat motor at 500-plus-ci using off-the-shelf parts. It’s hard to tell a Rat by its cover.The 454 was the biggest engine Chevrolet ever bolted into a production passenger car and, in LS6-tune, it made effortless horsepower and torque. The LS6's iron block was outfitted with four-bolt main caps for added strength. Inside, forged-aluminum pistons and forged-steel connecting rods swung from a forged-steel crankshaft.1972 Chevy 454 Engine Specs. The 1972 Chevy 454 engine is a powerful and iconic V8 engine that was widely used in various Chevrolet vehicles during the 1970s. Known for its impressive performance and reliability, the 454 engine has become a favorite among car enthusiasts and collectors.454 High Performance Engine Torque Specifications: NOTE: These specifications are correct for the ZZ454 or 454HO Base engine. If using components different from that …The 1990 Chevy 454 engine is a big-block V8 engine that belongs to the Chevrolet Mark IV engine family. It has a displacement of 7.4 liters or 454 cubic inches, hence the name. This engine features an overhead valve (OHV) design with two valves per cylinder, providing excellent low-end torque and power. The Chevy 454 engine utilizes a cast-iron ...Though it had a relatively short production span of only five years, the Chevy 7.4 Vortec engine is well known for reliability. This guide is going to cover everything you need to know about the 7.4 Vortec engine. This includes specs, vehicle applications, design, common problems, reliability, a brief maintenance and ownership guide, and …The 1976 Chevy 454 engine features a V8 configuration, meaning it has eight cylinders arranged in a V shape. This design provides excellent power and torque, making it suitable for heavy-duty applications. With a displacement of 454 cubic inches (7.4 liters), this engine is capable of producing substantial horsepower and torque.See the complete technical specifications and performance information for the 1970 Chevrolet Corvette, including engine specs, acceleration, & quarter mile. Get Ad-Free Access: Just $39/year. ... ENGINE SUFFIX: CGW: 454 CUBIC INCH, 390 HORSEPOWER, AUTOMATIC TRANSMISSION CRJ: 454 CUBIC INCH, 390 …Chevy 396 and 402: Engine by Engine Chevy L34, L35, L37, and L66 Engines – 396 Big Blocks. L34: Chevy produced the L34 from 1966-1969, and it made 350-360 horsepower. In 1966 it had four bolt mains, but switched two-bolts from 1967-on. It had oval port heads, 10.25:1 compression, high-lift hydraulic camshafts, and a high-rise …Advertisement Kindle Paperwhite measures 6.7 inches (169 millimeters) high by 4.6 inches (117 millimeters) wide. It is a scant 0.36 inches thick (9.16 millimeters for the WiFi-only...Count the number of bolts in the pan. 13 bolts for the TH400/475 (3 speed) - pan is NOT square. 16 bolts for the TH700 (4 speed OD) - pan is nearly square. 17 bolts for the TH4L80E (4 speed OD) - pan is rectangular. The 400/475 is a strong tranny and was probably originally in your MH.Other key features of this LSx 454 supercharged engine include a boost-ready design, forged rotating assembly, six-bolt cylinder heads and a hydraulic roller cam for reduced wear and friction. We also carry a 440ci LS7 edition that delivers the same jaw dropping 700 horsepower. Peak Horsepower: 725bhp @ 6700 rpm. Peak Torque: 580lb/ft @ 5200 rpm.Feb 9, 2021 · What are the specs on a Chevy 454 engine? The Chevy 454 engine is a 454 cubic inch big-block 7.4L with a bore and stroke of 4.25 x 4 inches. The engine was underrated and exact stats are hard to find, but it could go well over 500 horsepower with the right upgrades. The engine had a relatively short lifespan, having its horsepower cut in half ... Aug 31, 2022 · Of the three versions produced, the LS6 version was the high-performance option for Corvettes, Camaros, and Chevelles. This package supplied 450 horsepower and 500 lb-ft of torque. The ’70 version of the LS6 454 was a pinnacle year as, by 1971, Chevrolet started to detune the engine. The block's dimensions and surfaces are carefully checked. Chevrolet Corvette Stingray 454 LS7 specs. Chevrolet. Corvette Stingray 454 LS7 specs. Car type. Coupe. Curb weight. 1531 kg (3375 lbs) Dimensions. 4.64 m (183 in) long, 1.75 m (69 in) wide, 1.21 m (48 in) high.Jan 30, 2004 ... didnt even look at the specs was $8000. my question was why is there almost$1500 differenc in the heavy duty truck motor and the rv motor. after ...These 454 big block HP engines offer 525 horsepower and have a hydraulic roller camshaft. Choose a Chevy 454ci big-block ATK crate engine at JEGS High Performance! ... Engine Specifications. Horsepower: 525 hp; Torque: 550 lb/ft; Block Information: Seasoned OE 1991-1995 Gen V 4 bolt main 1pc seal (no mechanical fuel pump provision) Bore/Stroke ...Jan 19, 2024 · The 1989 Chevy 454 engine requires engine oil that meets the following specifications: – Oil Type: SAE 10W-30 or SAE 5W-30. – API Service Classification: SG or higher. It is essential to use high-quality engine oil that meets these specifications to ensure optimal lubrication and protection for the engine components. Engine Oil Specifications. The 1978 Chevy Truck’s 454 engine requires high-quality engine oil that meets the following specifications: – Viscosity: 10W-30 or 10W-40. – API Service Classification: SF or SG. It is important to use engine oil that meets these specifications to ensure proper lubrication and protection for the engine components.The 454 was the biggest engine Chevrolet ever bolted into a production passenger car and, in LS6-tune, it made effortless horsepower and torque. The LS6's iron block was outfitted with four-bolt main caps for added strength. Inside, forged-aluminum pistons and forged-steel connecting rods swung from a forged-steel crankshaft.Going thru this process right now. Car is a 1975 Monte Carlo. Original engine specs: 454 C.I., 8.15 compression, 215 factory horsepower. Turbo 400 trans, 3.42 posi. The car has always run great, but for years the rear main has leaked and it used a quart of oil approx 100 miles. Finally got tired of dealing with the leaks and oil.Aug 20, 2019 ... 20:13. Go to channel · Building a 1100+ Horsepower Jon Kaase Big Block Ford - Engine Power S6, E5. POWERNATION•1.3M views · 12:14. Go to channel ...The 1993 Chevy 454 engine is a robust V8 engine that offers impressive performance and durability. With its big-block design and cast-iron construction, this engine is well-suited for heavy-duty applications. By following the recommended engine oil specifications and service intervals, you can ensure that your 1993 Chevy 454 engine …Nov 1, 2006 · This all-new engine is filled with a forged 4340 steel crank with 4.375-inch stroke, shot-peened, forged 4340 H-beam rods, and forged-aluminum pistons with full-floating wristpins. The 572 makes ... Chevy Big Block Crate 454 Engine - Import Killer, Part 2. ... Camshaft Specs. Hydraulic Roller. Solid Roller. Manufacturer. Crane Cams. Crane Cams. PN. 168761. 16R000015 (custom) Duration @ 0.050 ...Keeping with the LS tradition, this LSX454 requires no more space under the hood than production LS engines. Specifications: Power: 599 HP @ 6000 RPM, 572 ft. lbs. of torque @ 4900 RPM Displacement: 454 CID, 7.4L Bore x Stroke: 4.185” x 4.125” Compression Ratio: 11:1 Recommended Fuel: 92 Octane Block: LSX Cast Iron with 6 bolt cross bolted ...1972 Chevrolet Chevelle SS 454. Engine Used. 454ci/270hp. Zero to Sixty. 8.0 sec. Quarter Mile. 15.1 sec @ 93.0 mph. Even as the Chevelle as a muscle car began its decline in 1971 and continued not only through 1972 but for the rest of the time it existed, the Chevelle was still rated the second most popular car in America in 1972.We deliver the 454 HO with a water pump, balancer, 14-inch flexplate, and aluminum intake manifold. Add a carburetor, ignition system, and starter and your budget Big-Block will be ready to roar. Show More. 454 HO TECH SPECS: Engine Type: Chevy Big-Block V-8; Displacement: 454ci; Bore x Stroke: 4.250'' x 4.000'' Block: Cast-iron with four-bolt ...The 1986 Chevy 454 Motorhome engine is a powerful and reliable V8 engine that was commonly used in motorhomes and larger recreational vehicles during the 1980s. Here are the key specifications and details of this engine: – Displacement: The engine has a displacement of 7.4 liters, which is equivalent to 454 cubic inches.The Classic Convertible Mercury Cars Channel lets you see under the hood of Mercury convertibles. Get specs on and see photos of classic convertible Mercury cars. Advertisement The...1970 Chevy 454 Engine Specs. The 1970 Chevy 454 engine is a legendary powerhouse that has left a lasting impression on the automotive industry. With its impressive performance and robust design, this engine has become an icon among muscle car enthusiasts. Let’s delve into the specifications of this remarkable engine.This all-new engine is filled with a forged 4340 steel crank with 4.375-inch stroke, shot-peened, forged 4340 H-beam rods, and forged-aluminum pistons with full-floating wristpins. The 572 makes ...The 1970 versions of the Chevrolet 454 were the most powerful, with the LS5 putting out around 360 horsepower and the LS6 delivering about 450 horses. The LS6 was phased out after 1971, and …Flywheel / Flexplate: Like all big block V8 engines, the ZZ454/440 engine has 3.58" diameter flywheel flange bolt pattern. This engine comes equipped with a 14" diameter flexplate with a 168 tooth ring gear, GM Part Number 10185034. If your application requires a flywheel, GM Part Number 14096987, should be used.Big Block Chevy V8 - BBC - Engine Specifications 396-454 CID - BBC Firing Order. Torque Specs Always torque bolts in three equal increments. Bolts or Parts: Lube or Sealer: Torque to: Main Caps 396-427 (2 bolt) Engine Oil: 95 ft-lbs. Main Caps 396-454 (4 bolt) Inner and Outer bolts: Engine Oil: 110 ft-lbs. 3/8 Connecting Rod Cap:454ho engine (19433409 base) long block specifications part no.rev 07mr23 19172102 sheet 1 of 18 all information within above border to be printed exactly as shown on 8.5 x 11 white 16 pound non-bond recyclable paper. print on both sides, excluding templates. to be unitized in accordance with gmcca specifications. part no.Feb 11, 2010 ... A 465 hp (347 kW) and 490 lb·ft (660 N·m) version of the 454, dubbed LS7 was also designed but never went to production. However, a handful of ...Car Performance (Sae Net) : 325 hp @ 4800. 390 lb-ft @ 3600. This Vette can accelerate faster than 365 hp version and reach 13.7 Sec @ 107 mph. Reply 1.3k. 1971 Chevrolet Corvette Stingray 454 LS5 specs, performance data, engine specifications, pictures, updated October 2023.1990 Chevrolet 1500 454 SS technical specifications and data. Engine, horsepower, torque, dimensions and mechanical details for the 1990 Chevrolet 1500 454 ...FinOps Foundation introduces FOCUS, a standardized cloud cost data specification, to streamline multi-cloud financial management. The FinOps Foundation, a foundation under the ausp...Chevrolet Corvette Stingray 454 LS7 specs. Chevrolet. Corvette Stingray 454 LS7 specs. Car type. Coupe. Curb weight. 1531 kg (3375 lbs) Dimensions. 4.64 m (183 in) long, 1.75 m (69 in) wide, 1.21 m (48 in) high.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 …The Chevrolet 454 V8 originated in 1970, it evolved from the famous 427 and its improvements allowed versatile usage. The 454 originated in 1970, a versatile engine that would be used in automotive and marine applications. This engine was used in many of Chevrolet’s flagship models, including the Chevelle, Monte Carlo, and Corvette.What Is The Best Big Block Chevy Engine? The answer to this question depends on the application and the BBC engine specs you need. Regarding parts availability, the 454 engine has the most availability of parts in comparison to the other engine sizes. This is due to the number of blocks available for the 7.4 liter versus a 396, 402, 427, or ...The 1986 Chevy 454 Motorhome engine is a powerful and reliable V8 engine that was commonly used in motorhomes and larger recreational vehicles during the 1980s. Here are the key specifications and details of this engine: – Displacement: The engine has a displacement of 7.4 liters, which is equivalent to 454 cubic inches.Apr 10, 2021 ... Which monumental motor will make the most horsepower... the Chevy 454 or the Ford 460? Joe and Mike build one of each in the HorsePower shop ...What’s Coming From Ford: 1,200 lb-ft of Torque Power Stroke Diesel Engine. In 1970 the largest Mark IV motor arrived on the scene. Displacing 454 cubic inches it was first offered in the Chevrolet …The 454 was the biggest engine Chevrolet ever bolted into a production passenger car and, in LS6-tune, it made effortless horsepower and torque. ... Specifications Engine Chevrolet Mark IV "big-block" V-8, cast-iron heads and block. Displacement 454-cu.in. Compression 11.25:1 ...Jan 30, 2024 · Here are the detailed engine specifications of the 1980 Chevy 454: Engine Type. V8. Displacement. 7.4 liters. Compression Ratio. 8.2:1. Fuel System. 4-barrel carburetor. The 1986 Chevy 454 Motorhome engine is a powerful and reliable V8 engine that was commonly used in motorhomes and larger recreational vehicles during the 1980s. Here are the key specifications and details of this engine: – Displacement: The engine has a displacement of 7.4 liters, which is equivalent to 454 cubic inches.1970 Chevelle Turbo-Jet 454 V8 LS6 Engine Specs RPO Z15 / LS6 Engine 7.4 Liter, Mark IV 454 Cubic-Inch V-8 Horsepower 450 Horsepower @ 5,600 RPM Torque 500 Pound-Feet @ 3,600 RPM ...Where a particular engine falls depends on many factors, so we'll use 1.3 hp per cubic inch as a middle figure. That means a 454 can support almost 600 hp (454 x 1.3 = 590.2). Indeed, many do ...Specifications: Part Type. Engine. Product Line. Chevrolet LSX 454 Crate Engine (454ci/627HP) Cylinder Head Material. Aluminum. Engine Block Material. Cast iron. ... The GM 809-19417357 LS engine is not a traditional 454 big block engine. Answered by: jshook. Date published: 2024-01-14.Learn about the history, specifications and horsepower of the Chevy 454 V8 engine, a high performance engine used in muscle cars like the Camaro, Corvette and Chevelle from …Shown is the 460-bhp LS-7 unit with 3x2 carbs. For the 1970 model year, Chevrolet announced a 454-cid expansion of the Mark IV, available for Monte Carlo, Chevelle, the big Chevrolet, and Corvette. At the same time, two 400-cid engines appeared on the specs charts, but they were totally different. One was actually a slightly larger 402 ...Going thru this process right now. Car is a 1975 Monte Carlo. Original engine specs: 454 C.I., 8.15 compression, 215 factory horsepower. Turbo 400 trans, 3.42 posi. The car has always run great, but for years the rear main has leaked and it used a quart of oil approx 100 miles. Finally got tired of dealing with the leaks and oil.Feb 11, 2010 ... A 465 hp (347 kW) and 490 lb·ft (660 N·m) version of the 454, dubbed LS7 was also designed but never went to production. However, a handful of ...The 1986 Chevy 454 Motorhome engine is a powerful and reliable V8 engine that was commonly used in motorhomes and larger recreational vehicles during the 1980s. Here are the key specifications and details of this engine: – Displacement: The engine has a displacement of 7.4 liters, which is equivalent to 454 cubic inches.The Chevrolet 454 V8 originated in 1970, it evolved from the famous 427 and its improvements allowed versatile usage. The 454 originated in 1970, a versatile engine that would be used in automotive and marine applications. This engine was used in many of Chevrolet’s flagship models, including the Chevelle, Monte Carlo, and Corvette.The 1979 Chevy Truck with its 454 engine was a true powerhouse, delivering impressive power and torque. Whether you were hauling heavy loads or simply cruising down the highway, this engine provided the reliability and performance that truck enthusiasts desired. By following the recommended oil specifications and service intervals, you can keep ...
Common Sizes: 396ci, 402ci, 427ci, 454ci. Years: 1965-1990 (until 1974 in passenger cars) See All 13 Photos. The Mark IV Rat Motor is the traditional big-block we …. Is international fellowship of christians and jews legitimate
In fact, the LS6 (optional motor) that was available in 1971 was one of the highest-output 454 engines in production for its configuration. The fire-breathing Rat blew brimstone at the rate of 425 hp.It was part of the popular Chevrolet small-block engine family, known for its durability and performance. Here are the key specifications of the 1974 Chevy 350 engine: – Engine Type: V8. – Displacement: 350 cubic inches (5.7 liters) – Bore x Stroke: 4.00″ x 3.48″. – Compression Ratio: 8.5:1.The crankshaft delivers a 4.125-inch stroke to achieve the engine’s 454 cubic-inch displacement with the 4.185-inch bores. ... The fastener torque specs are verified by the computer and recorded ...Engine Oil Specifications. The 1978 Chevy Truck’s 454 engine requires high-quality engine oil that meets the following specifications: – Viscosity: 10W-30 or 10W-40. – API Service Classification: SF or SG. It is important to use engine oil that meets these specifications to ensure proper lubrication and protection for the engine components.Feb 18, 2024 · Surprisingly, the 454 big-block V8 engine laid down 330 horsepower and 475 pound-feet of torque. Its truck-based 454 engine was tuned for torque with a surprise of reaching nearly 500 lb. feet without being loud. The engine block can produce a large power output. It is a good engine for performance vehicles and a great option during a gas crisis. 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. Even though the big-block was destined to eventually find a home in trucks and family sedans, it started off as a serious ...The Chevy 454 engine is a big-block V8 engine that was first introduced in 1970. It has a displacement of 454 cubic inches, which is equivalent to 7.4 liters. This large displacement allows the engine to produce ample power and torque, making it suitable for heavy-duty applications. The engine features an overhead valve (OHV) configuration ...Fifth-generation 454 big block Chevrolet engines produced from 1991 to 1995 feature improved designs for the rear main seal, oil passages, valve covers, and …Advertisement Kindle Paperwhite measures 6.7 inches (169 millimeters) high by 4.6 inches (117 millimeters) wide. It is a scant 0.36 inches thick (9.16 millimeters for the WiFi-only...What are the specs on a Chevy 454 engine? The Chevy 454 engine is a 454 cubic inch big-block 7.4L with a bore and stroke of 4.25 x 4 inches. The engine was underrated and exact stats are hard to find, but it could go well over 500 horsepower with the right upgrades. The engine had a relatively short lifespan, having its horsepower cut in half ...The descriptions and specifications contained in this manual were in effect at the time of printing. Crusader Marine Engines’ policy of continued improvement reserves the right to change specifications or design without notice and without obligation. This manual will cover the following year of manufacture Crusader engines: YearModelThe 1985 Chevy 454 engine is a V8 engine with a displacement of 7.4 liters. It belongs to the big-block engine family and is known for its power and durability. The engine features an overhead valve (OHV) design with two valves per cylinder, totaling 16 valves. The 454 engine has a cast-iron block and cylinder heads, providing strength and ...Buick car models come in all shapes and price ranges. See pictures and learn about the specs, features and history of Buick car models. Advertisement Buick models come in all shape...Mar 10, 2023 · A N.O.S. LS-7 454 big-block Chevy from 1979 runs for the first time at Westech Performance—read what happens! ... LSX, and Vortec Engines: Specs, History, Swaps, and More. Steven Rupp | Jan 22 ... Catching Up With History. Today the LS6 is a legend. Although Chevrolet has since offered crate motors featuring more power and torque, it's still a sought-after …This 454 carries nearly all of the exact same engine pieces in your engine albeit with lower compression 8.75 to 1 pistons and a tamer hydraulic roller camshaft. This 454HO uses modern 92 octane ...Base Price $ 8,799. The LSx 454ci competition short block uses a new Dart SHP Pro cast iron block with 4.185" bore and 4.125” Stroke to produce the large 454ci. The larger cubic inch of the LS 454 short block allows for more low end torque is a good foundation for higher horsepower applications. Reach Out Build Now.Apr 10, 2021 ... Which monumental motor will make the most horsepower... the Chevy 454 or the Ford 460? Joe and Mike build one of each in the HorsePower shop ...Big Block Chevy V8 - BBC - Engine Specifications 396-454 CID - BBC Firing Order. Torque Specs Always torque bolts in three equal increments. Bolts or Parts: Lube or Sealer: Torque to: Main Caps 396-427 (2 bolt) Engine Oil: 95 ft-lbs. Main Caps 396-454 (4 bolt) Inner and Outer bolts: Engine Oil: 110 ft-lbs. 3/8 Connecting Rod Cap:.