Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise.
How much horsepower does a stock 454 have?
The 454 EFI version was rated from 230 hp (172 kW) to 255 hp (190 kW) and from 385 lb⋅ft (522 N⋅m) to 405 lb⋅ft (549 N⋅m) of torque.
Which is better a 454 or a 350?
In a light to medium weight car, a 350 will probably offer you the happiest experience, especially in a daily driver role. In a truck, the 454 will probably feel better to your foot. In an all out performance car, the 454 will probably be more likable as long as the car is a straight line car (drag racing etc).
What year is the best 454?
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.How much horsepower does a 1988 454 have?
This 7.4-liter V-8 is configured with a 4.251-inch (108 mm) bore and 4-inch (102 mm) stroke. Horsepower output varied slightly and was application specific, but typically count on 350 hp to 400 hp, with torque slightly higher, coming in at 450 lb. -ft.
How much power can a 454 handle?
That means a 454 can support almost 600 hp (454 x 1.3 = 590.2). Indeed, many do. Using the same multiplier, a 496 can support 645 hp.
Is the Chevy 454 a good engine?
The 454 big block is a very good engine to go with if you are looking for something that can output a lot of power, and fit in a lot of classic cars and trucks. This is a classic engine from Chevrolet and stock it makes great power from the factory, if you upgrade it you can get even more out of it.
What is a Mark IV 454?
In 1970, the Mark IV was treated to a 0.24-inch bore job, taking it out to 4.00. With the 4.25 stroke unchanged, the new engine displaced 454 ci. … This is the engine that never was, at least in production form. It’s the LS7, and it was destined for the ’70 Corvette.How many miles per gallon does a 454 get?
The 454 is a big-block carbureted engine found in most older model Chevrolet cars and trucks. The engine uses eight cylinders to provide high-end torque and speeds. The combination of larger bore and eight cylinders equates to very poor gas mileage. The engine runs an average of 10 to 15 mpg.
What Gen is a 1987 454?454ci/L19/EFI: Chevrolet phased big-blocks out of passenger cars as emissions and fuel standards went into place in the late 1970s. In 1987, a new 454 Mark IV hit the market with EFI, exclusively in trucks. See all 28 photos Photo: Courtesy of Barrett-JacksonIf you notice, the name changes with the Gen V.
Article first time published onHow much horsepower does a 454 SS truck have?
EngineBase engine size7.4 lBase engine typeGasCylindersV8Horsepower230 hp @ 3,600 rpm
How can I get more power out of my 454?
- Improve the fuel and air intake system. …
- Replace the stock exhaust system with a high-flow system. …
- Replace the stock timing parts with ones tuned for racing. …
- Bolt on a supercharger.
Is a big block faster than a small block?
Big block engines are larger in size and weigh more, but they produce more consistent power and torque to overcome the weight. Small block engines are smaller for better acceleration and handling, but more recently built models can be just as powerful as big block engines.
How much HP does a 1984 454 have?
Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.
What Gen is a 85 454?
Chevy 396, 402, 427 and 454, 1965-1985; 454 Gen IV (Generation 4 or IV ), 454/502 Gen V (Generation | Northern Auto Parts.
How much horsepower does a 1977 454 have?
Early Truck 454s In 1977, General Motors offered special trailering packages for its Chevys and GMC trucks, including the 1-tons. These 454s with four-barrel carburetors developed 230 horsepower and 360 foot-pounds of torque.
How long will a 454 engine last?
454 will run 200k with the right oil.
What Gen is a 1995 454?
MARINE 454, 7.4 GEN V 310-330 HP ENGINE 1991, 1992, 1993, 1994, 1995.
Which Chevy big block is the best?
- 396 L78. This is the original factory big block Mark IV engine from Chevrolet. …
- 427 Tri-Power. The 427 big block was introduced as a production engine in 1966 for full-sized Chevrolets and Corvettes. …
- 454 LS6.
What size engine is a 7.4 liter?
The 7.4L (454 cubic-inch) V8 was a big-block engine manufactured by the Chevrolet Division of General Motors starting in 1970. It was the second-largest Chevy production engine after the 8.2L, or 502 cubic-inch motor.
How much does it cost to build a 454 big block?
A 454 that’s needs a complete rebuild from a junk yard for a few hundred dollars or less. A turn key you can expect to pay for performance a street engine for a car or truck about $5,000 to factory high performance around $15,000.
How much power can a big block Chevy handle?
a typical 350 Chevy can make upwards of 350 – 375 HP before you exceed the reliability of the components. For a big block with the same stock components it can make in the area of about 400 to 475 or so HP and handle upwards of about 500 HP before you exceed the reliability of the stock cast pistons.
How do I know what kind of 454 I have?
- Identify the year and model. …
- Look for decals on the engine. …
- Locate the engine ID number located at the front of the engine block on the passenger side. …
- Decode the ID number. …
- Verify the casting numbers from either the cylinder head, intake manifold or crankshaft.
How much horsepower does a 1978 454 have?
The 454 engine produced about 230 horsepower and 360 foot-lbs. of torque.
What year is a Mark IV 454?
The Mark IV went into production in 1965, displacing 396 ci. Mark IVs were subsequently made in versions of 427 and 454 cid; deck heights were 9.80 inches.
How fast is a Chevy 454 SS?
0 – 60 mph7.1 s0 – 100 mph22.5 s1/4 mile15.7 s @ 87.0 mphTop speed193 kph (120 mph)Lateral acceleration0.79 g (8 m/s²)
How much is a 1990 454 SS worth?
Vehicle:1990 Chevrolet 454 SS PickupYears Produced:1990–93Number Produced:16,953Original List Price:$18,295SCM Valuation:$22,000
How much HP does a 1990 Chevy 350 have?
When fitted in the 1990 G-series van, the 350 produces 190 to 195 horsepower and 290 to 300 pound-feet of torque. The 1990 Suburban’s 350 produces 190 to 210 horsepower and 300 pound-feet of torque. The 1990 Blazer’s 350 engine produces 210 horsepower and 300 pound-feet of torque.
How big can you stroke 454?
Take a 454, add a 4.250-inch stroke crank along with some 6.385-inch rods and your displacement shoots up to 489 cubes.
How much does it cost to rebuild a Chevy 454?
Engine only to rebuild including no labor to remove & replace or related parts is about $3000.00 on up depending on exactly what you want, this does include the oil pump as no rebuilt engine will not include one. total job will be $6000.00 plus.
How much horsepower does a 1995 454 have?
Performance. The 454 produced 425 horsepower, had a compression ratio of 9.6 to 1 (an engine’s maximum volume compared to its minimum), a maximum rpm of 5,500 and an ignition timing of four degrees before top dead center.