How Much Horsepower Does A 454 Big Block Put Out?

What is the most powerful Chevy engine?

6.2L LT5As the power behind the 2019 Corvette ZR1, the new supercharged 6.2L LT5 represents the pinnacle of Chevrolet’s performance: It’s the most powerful engine ever offered in a Chevy production vehicle..

What size is a 454 bored 30 over?

SO assuming a 454 bored . 030″ it should be around 462 cubic inches.

How can I get more power out of my 454?

How Do I Get More Power out of a Chevy 454?Improve the fuel and air intake system. The more fuel and air you are able to get into your Chevy big block engine, the more power it will be able to produce. … 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 much is a 454 big block worth?

Around here typical bare engines are in the $1000-$1500 range. Just the block is worth $500. A complete running engine (old and tired) can fetch at least $2500 with all the brackets etc. I’ve seen pickups that aren’t worth $500 sell for $1500 just because they have a big block.

What is the best Chevy engine to build?

Best Chevy Engine Builds427 Small-Block Build. … 383 Small-Block Build. … 350 Small-Block Build. … 396 LT1 Small-Block Build. … 355 LT1 Small-Block Build. … 388 LS7 Build. … 440 LSX Build. … 416 LS3 Build. Of course, you can also have excellent results with more stock based components such as this 416ci LS3 combo.More items…•

How much horsepower does a 1975 454 have?

my 75 454 is rated at 245 HP.

Is a big block faster than a small block?

A big block engine is physically larger and weighs more than a small block. [4] Larger bores, longer strokes, bigger valves and ports can lead to truly astounding power production. If a small block is a quick and nimble welterweight boxer a big block can be devastating heavyweight.

Are 396 and 454 blocks the same?

You cannot bore a 396 out to a 454 size. As stated previously . 060 is about the most that you can go. The blocks are the same with the exception of the bore of the cylinder when the cast was made.

How much horsepower can a 2 bolt 454 handle?

The 2 bolt Big Block Chevy blocks are fine for anything up to 6500 RPM and 600 HP.

How many miles will a 454 last?

Gone but not forgotten. I’ve seen them fail at less than 100,000 miles, and I’ve seen them go well past 300,000 miles. “Easy life” is the key phrase- the 454 is a “tractor motor,” not one that likes a lot of revs (at least not in stock form).

What’s the best Chevy big block?

10 Most Powerful Production Chevy Big Block Motors454 LS5 390 hp. Chevrolet brought out the 454 Big Block just as the curtain was lowering on the Classic Muscle Car Era. … 427 L36 390 hp. … 427 L68 400 hp. … 427 L72 425 hp. … 396 L78 425 hp. … 427 L88 430+ hp. … 427 ZL1 430+ hp. … 427 L71 435 hp.More items…•

A favorite for engine swaps, the 350 is very easily modded because of the abundance of aftermarket parts. And because so many Chevy 350s have been produced, they’re affordable and easily attainable for swaps of all kinds. You can find a Chevrolet 350 in just about anything—on land, sea, or air!

How much horsepower can you get out of a 454?

An engine built to this spec can produce anywhere from 500 horsepower to 900 horsepower, depending on how much boost you choose to run.

Is a 454 big block a good engine?

It was not the ideal time to introduce a large cubic-inch big block tailored for performance vehicles, but the Chevy 454 made quite an impression nonetheless. … 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.

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).

How much does it cost to rebuild a 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. Transmission pump is something we do not work on.

How much compression should a 454 have?

The stock compression for a 454 with 781 heads and flattops is around 7.75:1 cr. Then the bigger cam with the later intake valve closing point will reduce cylinder pressure even more. I would except to see 110 to 125 psi numbers.

How much HP can a 4 bolt main 454 handle?

Registered. A two-bolt main, cast crank bottom end, properly machined and assembled would be good for at least 550-600 hp. 6-6300 rpm limit. 4 bolt mains and a steel crank can handle 700hp and 7200 rpm.