Is there a Vortec 454?

Is there a Vortec 454?

The Vortec 454, also referred to as the Vortec 7400, was designed as a big-block engine for light-duty trucks. General Motors manufactured this engine in 1996, but upgraded to a different model engine five years later.

How many MPG does a 454 big-block 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 MPG does a 454 big block get?

How much power can you get out of a 454 big block?

In staying with the standard bore/stroke combination of 4.25/4 inches, however, it is not uncommon to yield power outputs of greater than 650 horsepower from the 454 in race engine configurations.

What year is Vortec 454?

Why did my GM 454 Vortec engine stop working?

There was a lot of exhaust manifold problems in the class A motor homes with that engine and was probably due to the tight installations and heat build up. Father-in-law replaced two sets on his Bounder. Other than that, the engine performed quite well. Horse power is what you make of it.

What’s the best rpm for a GM 454 Vortec?

At 60mph the engine is running at about 2200 rpm. Then if it downshifts on a hill, it only goes up to 3300 rpm which is its best torque rpm. Hope this helps. I’ve owned both, and I have very little technical background in engines.

Is the 454 engine a good RV engine?

The 454 is a great engine. Our 1989 Southwind (454 engine, 32′) made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we’ve owned it. We love the coach and don’t think we need to upgrade anytime soon.

There was a lot of exhaust manifold problems in the class A motor homes with that engine and was probably due to the tight installations and heat build up. Father-in-law replaced two sets on his Bounder. Other than that, the engine performed quite well. Horse power is what you make of it.

Is the Chevy 454 Vortec a good engine?

For a Chevy, the 454 was not a bad engine. There was a lot of exhaust manifold problems in the class A motor homes with that engine and was probably due to the tight installations and heat build up. Father-in-law replaced two sets on his Bounder. Other than that, the engine performed quite well. Horse power is what you make of it.

What kind of air cleaner does a 454 engine use?

I would also go to a Banks exhaust and KN air cleaner if I still had the coach. The 454 is a great engine. Our 1989 Southwind (454 engine, 32′) made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we’ve owned it.

Is the GM 454 Vortec a multi port injection?

Nurse Barbara, the 454 and the 8.1 are built on the same block. I am not sure but I beleive the 454 is a throttle body injection and the 8.1 is a multi port injection. And yes either one will do well on a coach up to 34 or 35 feet. more then that you not preform too well.