Is a 454 big block a good engine?
I would recommend the 454 big block as a suitable option if you desire something that offers high power output and can be used for a wide variety of vehicles. Oldest Chevrolet engine with a solid performance, it runs well out of the factory and can be upgraded to make even better performance.
How much power can you get out of a 454 big block?
| Dyno Details 454 | |
|---|---|
| Heads | GM Rectangular/Oval cylinder head |
| Timing | locked out @ 38 degrees |
| Max torque | 541 lb-ft @ 4,100 rpm |
| Max power | 501 hp @ 5,500 rpm |
Is a 454 engine 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.
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.
How much is a 454 big-block worth?
How Much Does A Chevy 454 Cost? It is quite easy to find cheap ones for $2500 to $3500 to go up to high performance, and depending on what you are looking for and how long you want them, the $50,000+ range is easily within your grasp. The average 454 needs a complete rebuild from a scrap yard to run properly again.
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 kind of gas mileage 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 are some 454 Chevy engine common problems?
Remove the bolts and clean the bolt threads and the ends of the wire attachments and clean down to the frame using a wire brush.
How big can you make a 454?
I’ve seen as big as 524 stroker kits from www.flatlanderracing.com for 454 blocks. .060 block and a 4.25 crank. I have no idea if that’s “Safe”, but it’s out there. Go with the 4.25″ stroke.
How much horsepower does a 454 big block have?
What are the specs of a Chevy 454 big block? 454 Big Block Performance Specs The original LS5 engine was introduced with 390 hp and 500 lb-ft of torque, while the LS6 was rated at 450 hp. By the time 1972 was reached, change of power calculations along with reduced power for emissions control resulted in a drop to max power rating of 270 horsepower with a peak torque of 468 lb-ft.
What are the specifications for a Chevy 454 engine?
– The LS5 454 engine has a compression ratio of 10.25 to 1. – The LS6 454 engine has a compression ratio of 11.25 to 1. – The Vortec 7400 454 engine has a compression ratio of 8.5 to 1. – The 454 HO crate engine has a compression ratio of 8.75 to 1.