How much is a rebuilt 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.

What year is the best Chevy 454 engine?

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. The LS6 was phased out after 1971, and the LS5’s power had dwindled to about 245 horsepower by 1973 thanks to stricter emissions control.

How much HP does a 454 big-block have?

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.

Is a 454 a big-block or small block?

The 454 is based on the World Products’ Motown iron block, and the biggest news about it, beyond the huge displacement alone, is the 4.250-inch bore. Combined with the 4.000-inch stroke, the World Products 454 small-block has the same bore and stroke combo as an original 454 Chevy big-block.

How many MPG 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.

How many miles per gallon does a 454 get?

How do you tell the difference between a 427 and a 454?

if it has two letters it’s 69 or earlier and would have been a 427 originally, if 3 letters it’s from 1970 or newer and would have been a 454.

Are 396 and 454 blocks the same?

The blocks are the same with the exception of the bore of the cylinder when the cast was made. The walls will not allow for that much bore. If you wish to use the 454 crank and rods with the 396 block you can purchase a set of pistos with the corrocponding compression hieght and have a stroker 421 CI engine.

Are 454 engines reliable?

Re: Reliability of 454 I have found them to be very reliable although I haven’t had one with more than 45000 miles on it. They do tend to run a bit warm but once you find the “normal” for your unit and keep the coolant clean and properly serviced you should have no trouble.

What is the HP rating of a 454?

At its peak, the 454 was developing 450 horsepower in the Camaro and Chevelle passenger cars. By 1974, however, government-mandated smog requirements killed the muscle car as the 454’s horsepower rating dipped to 235.

What is the weight of a Chevy 454 engine?

The engine breathed through a four-barrel carburetor, and ignition was provided by a Delco Electric unit. The marine 454 weighs 980 lbs and makes 330 horsepower, at its maximum RPM of 4,400.

How much horsepower does a 454 big block have?

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.

What is bore and stroke of Chevy 454?

The Vortec 8100 7th generation (known as gen VII) Chevrolet big block, has the same bore as a 454 (4.25 inches), but has a stroke of 4.37 inches (111 mm). It is similar to the smaller GM LS engine family in that it has coil-on-plug ignition and a 1-8-7-2-6-5-4-3 firing order.