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General Motors introduced EFI in 1987, which was found on GM C1500 SS, C/K2500 and C/K3500 trucks. 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.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. Using the same multiplier, a 496 can support 645 hp.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.
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How much power can a 454 block handle?
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. Using the same multiplier, a 496 can support 645 hp.
How much horsepower is a 454?
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.
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Are 454 engines reliable?
Both the 350 or 454 are great reliable engines and going with either one of them would be great for a classic American sports car.
How much power does a 454 produce?
How Much Hp Does A 454 Big Block Have? According to The 454, it churned out 330 horsepower and 475 pounds in horsepower and torque. Obviously, this truck-based four cylinder came with a midrange of almost 500 pounds-feet, so its large output wasn’t that surprising.
Is a big block better 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.
What liter is a 454 engine?
For many years the 454 (7.4-liter) V8 was the top choice from GM, while Ford had the mighty 460 (7.5-liter) V8.
Is a 454 fast?
Although there were some issues with its performance, as MotorWeek discovered, the 454 SS was pretty quick at its disposal. The truck was able to travel 60 mph with low-end torque on 7 wheels. The quarter-mile took 15 seconds, while the fast pace was seven seconds. A little over 9 seconds.
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The Chevrolet 454 Was The Ultimate GM Pickup Truck Big …
The revised 454 (now known as the Vortec 7400) was good for a whopping 290hp and 410 lb-ft of torque, and it was offered until 2001 (the final …
Top 10 Engines of All Time (#8): Chevrolet 454 – OnAllCylinders
The 1970 versions of the Chevrolet 454 were the most powerful, with the LS5 putting out around 360 horsepower and the LS6 delivering about …
Chevy 454 Engine: The Iconic Big Block – VehicleHistory
How much horsepower does a 454 big block have? There have been many different versions of the 454 engine that were made by Chevrolet from 1970 …
Big-Block Chevy Buyer’s Guide – MotorTrend
HOT ROD has proved it before; for example, Evan Perkins installed a top-end kit on a tired 454 from a motorhome and made 567.2 hp and 537 …
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 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.
How long will a 454 engine last?
454 will run 200k with the right oil.
Is 350 or 454 better?
Which Is Better A 454 Or A 350? A medium or light-bodied 350 may provide you the greatest comfort, especially as your daily driving needs come into play. You probably won’t need too many cushions when driving a 454.
454 Chevy Big Block Bow Tie Build – Horsepower S13, E12
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How long does a Chevy 454 engine last?
I had a 1992 Chevy 3500 with a 454, and it had 165,000 miles on it when it was retired. It was the original engine, and I can say it never gave me any trouble. I’ve seen them fail at less than 100,000 miles, and I’ve seen them go well past 300,000 miles.
How much is a 454 engine?
As crate engines go, GM Performance Parts’ 454 H.O. crate engine is not only a bargain at its street price of around $4,600, its forged crank, pistons, and rods also make it capable of handling nearly as much power as you’re capable of throwing at it. We proved that in our Aug.
How much does it cost to build a 454?
We Build A 700HP 454 For $2,403 without braking the bank. It seems a certainty that Chevy guys would rather eat dirt than drive a Ford, but not all Chevy guys agree about their choice of powerplant. The original small-block has a lot going for it, including power potential, minimal weight and even affordability.
Is a 454 A big block?
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.
What’s the best big block engine?
- 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. …
- L88. …
- 454 LS6.
Is there a Chevy 350 big block?
In 1976, Chevrolet introduced a new emissions-friendly 305-cubic-inch small-block V8. Big blocks and the small-block 400 were dropped from the car line, and the 350 took over as the largest engine offering for most of GM’s passenger cars.
Is the Chevy 7.4 a good engine?
The 1996-2000 L29 7.4L big blocks are great engines. Much more dependable and durable than the 6.5L diesel of that era. L29’s had multiport sequential fuel injection, all of the latest sealing technology to prevent oil leaks and the “Vortec” style heads flowed very well.
Is a 454 gas or diesel?
The 454ci big-block gasoline V-8 may be one of the most coveted, recognizable powerplants ever cast by General Motors. Its large displacement and big bore gave it the kind of low-rpm power a small-block owner could only dream of.
What cars had a 454 engine?
- GMC Sprint (1971–1972)
- Chevrolet Corvette (1970–1974)
- Chevrolet Chevelle (1970–1975)
- Chevrolet Caprice (1970–1976)
- Chevrolet El Camino (1970–1975)
- Chevy Trucks & Other Vehicles with 454 Engine.
How much does a 454 big block weigh?
…
How Heavy Is A 454 Block?
| Weight | 246.99 lbs |
|---|---|
| Brand | Chevrolet Performance |
| Replaces/Supersedes | 12561353 |
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How much does it cost to rebuild a 454 big block?
How Much Does It Cost To Rebuild A 454 Engine? The price of a 454 rebuild from a junk yard typically ranges in the $200-300 range. When purchasing a turn key with a street engine for your car or truck, expect it to cost at most $5,000 for factory-high performance, which reaches about $15,000.
What is the smallest big block?
- Chrysler. Chrysler 360 small block Mecum. 350 B-Series. …
- Ford. Ford 400 small block Mecum. 370 385-Series. …
- Chevrolet. LS7 small block engine GM. 348 W-Series.
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