How Much HP Can A 454 Block Handle?

How can I get more horsepower 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 horsepower does a 2000 Chevy 454 have?

Performance. The USO7’s peak rating is 485 horsepower at 1,500 to 1,900 rpm, with a governed rating of 340 horsepower at 2,100 rpm. It has a bore of 5.16 inches and a stroke of 6.22 inches, with a compression ratio of 16:1. It produces 1,700 ft.

How can you tell if a 454 is a 4 bolt main?

Chevynut wrote: “You can tell if it’s a 4-bolt main by looking for an oil cooler port above the oil filter boss. If it has an extra plug there, it’s probably a 4-bolt block.”

How much HP can a 2 bolt main 454 handle?

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

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 kind of gas mileage does a 454 get?

10 to 15 mpgThe 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 is a 496 stroker?

The 496 stroker HP high performance crate engine includes forged pistons, 4340 rods and HP aluminum heads so you don’t have to give up quality to get a big block at an economical price. This engine requires at least a 3000 stall converter if using an automatic transmission. Part Number.

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.

Is a 4 bolt main better than a 2 bolt main?

A 2-bolt main with aftermarket studs is stronger than a 4-bolt main block, less prone to crack, and can take up to 600 HP on a seasoned block. … Most of the engine builders online, including some big brands, will drill extra holes on their 2-bolt main blocks and it makes the mains weaker and more prone to cracking.

How much HP can a 4 bolt main 350 handle?

4 bolt 350 010 blocks can handle 1200 hp all day.

How much HP can you get out of 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.

How much does it cost to rebuild a 454 big block?

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.

What is the best big block engine?

Our Top 5 Big Block Chevys of All Time396 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 the Chevy 454 a good engine?

The Chevrolet 454 remains a favorite among performance enthusiasts because of the its power output and the availability of aftermarket parts for the engine.

How hard is it to rebuild a 454?

Rebuilding a 454 is easy, provided that you know your way around an engine. To save yourself some money, choose an engine with a solid core. If you’re going to rebuild the engine, you’d be well served to purchase a 454 maintenance manual to ensure that all of your components are torqued to factory specifications.

What size is a 454 bored 30 over?

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

How much is a Chevy 454 engine 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.