How Much Horsepower Does A Corvette 454 Have?

Published by Clayton Newton on

The 454 cu in (7.4 L) LS-4 big-block V8 engine was introduced in 1973 to replace the LS-5. It delivered 275 hp (205 kW) and 15% of the cars were ordered so equipped. “454” emblems adorned the hood of big-block equipped Corvettes.

How much horsepower does a 1970 454 Corvette have?

1970 Chevrolet 454 Corvette

Chevrolet 454 Corvette
PRICE
Displacement, cc/cu in 7440/454
Compression ratio 10.25:1
Bhp @ rpm 390 @ 4800

How much horsepower did a 1972 454 Corvette have?

The standard engine on the 1972 Corvette was the 350 cubic inch with 200 horse. The final year for the LT-1 engine had it rated at 255 horse, but it could now be ordered with air conditioning, a combination not permitted the two previous years. The LS5 454 cubic inch big block was available and came in at 270 horse.

How much horsepower did a 1974 Corvette 454 have?

Three engines were available: the L48 and L82 small-block 350s, rated at 195 and 250 hp, respectively; and an LS4 454, rated at 270 hp.

How much horsepower does a 1971 Corvette 454 have?

“1971 Corvette Specifications” Sales rebounded from the previous year’s short production cycle, despite the lowering of engine compression ratios to compensate for low lead fuels. Fortunately, the 454 LS6 engine still produced a respectable 425 horsepower.

What year 454 had the most hp?

1970
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.

What is the most horsepower you can get out of a 454?

In general, a properly tuned production automotive engine produces 1.0-1.5 hp per cubic inch. 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.

How much hp does a 427 BBC have?

427 Production codes
It produced 335 hp (250 kW). L-36: produced 1966–9, had 10.25:1 compression, Holley or Q-jet carburetor, nodular iron crankshaft, hydraulic lifters, oval port closed chamber heads, and two-bolt main caps.

What is the most powerful Corvette engine?

Not only is the 2023 Chevrolet Corvette Z06’s LT6 engine the largest flat-plane crankshaft V-8 in the world, it’s also the world’s most powerful naturally aspirated production V-8, leapfrogging the 622-hp 6.2-liter M159 engine that powered the Mercedes-Benz SLS AMG Black Series from 2013-2014 and producing 670 hp at

What is the most powerful Corvette engine in the 60s?

All 1963 cars had 327cid engines, which made 250 hp standard, with optional variants that made 300 hp, 340 hp and 360 hp. The most powerful engine was the Rochester fuel injected engine.

Which Corvette had the most horsepower?

2023 Z06
The 2023 Z06 packs a mind-blowing 670 horsepower by way of a 5.5-liter, naturally aspirated, flat-plane crank V8, making it the most powerful naturally aspirated V8 ever put into a production car. Period. And in case you’d forgotten, even the supercharged 2022 Cadillac CT5-V Blackwing offers just 668 ponies.

How much horsepower does a 1982 454 have?

If you do the math, this 454 was actually making almost 250hp and 400 lb-ft of torque.

How much horsepower did the ls7 454 have?

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 pump gas, generates 425 horses and 500 lb.

How much is a 1971 Corvette with a 454 in it worth?

Detailing

Vehicle: 1971 Chevrolet Corvette 454/365 coupe
Years Produced: 1971
Number Produced: 14,680 (all 1971 Corvette coupes)
Original List Price: $5,496
SCM Valuation: $30,500

How much horsepower does a 1971 Chevelle SS 454 have?

All told the 454 makes 540 hp at 6,800 rpm and 565 lb-ft of twist at 4,200—more than enough to light the tires whenever the mood strikes.

How much horsepower does a 1973 Corvette 454 have?

275 hp
The 454 cu in (7.4 L) LS-4 big-block V8 engine was introduced in 1973 to replace the LS-5. It delivered 275 hp (205 kW) and 15% of the cars were ordered so equipped. “454” emblems adorned the hood of big-block equipped Corvettes.

What is the biggest big block engine?

Never satisfied and always looking to innovate and improve, Leonard decided it was time to create the biggest big-block on the planet: a 1,005.8ci behemoth with an unreal 5.220-inch bore and a 5.875-inch stroke.
Will it Fit?

Block: Sonny’s Automotive Racing (SAR) billet with 2-inch raised cam
Ignition: MSD Performance

How much does a 454 SS cost?

Detailing

Vehicle: 1990 Chevrolet 454 SS Pickup
Number Produced: 16,953
Original List Price: $18,295
SCM Valuation: $22,000
Tune Up Cost: $200

How fast is a 454?

But as MotorWeek found out, the 454 SS was still pretty quick. Lots of low-end torque helped the truck sprint to 60 mph in 7.7 seconds, while the quarter-mile took 15.9 seconds.

What big block has the most horsepower?

Yep, Chevrolet Performance just announced a 632-cubic-inch (that’s over 10 liters for the metric crowd) big-block monster that belts out a tick over 1,000 hp and a whopping 876 lb-ft of twist.

How much horsepower does a 427 big block have?

After running the 427 through a break-in procedure, the timings happy place of 37 degrees was found. This gave a best pull of 622 hp at 6,500 rpm and 530 lb-ft of torque at 5,400 rpm! The nearly flat torque curve peaked at 511 lb-ft at 4,000 rpm, and was still over 500 lb-ft where the pull ended at 6,500 rpm.

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