Question: Which Is Better A 454 Or A 350?

Is a 454 a good motor?

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

What’s better big block or 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.

How much HP can a 454 block handle?

As for big block Chevy a factory 2 bolt 454/427/402 block with out large over bores will easily and safely handle 700+hp/torque, and never discount the cast cranks As I have seen 600-700 hp on cast cranks, they just dont like shock loading quite as much as sbc will take,,tend to have reliability issues.

What year is the best Chevy 350 engine?

L31 (2002) From a purely technical standpoint, the most recent version of the Chevy 350 would naturally be the best of the bunch. Marketed as the “Vortec 5700” engine, but known internally by the moniker of L31, this engine was used primarily in GM vans and trucks until 2002.

What’s the biggest big block engine?

At 1,005.8 ci, the “Godfather” is the biggest big-block engine ever built.

What is the best small block Chevy engine?

The 327 L84 remained the most powerful Chevrolet small block production engine ever until the quad-cam LT5 came out in the 1990s. And it was the most powerful naturally-aspirated single-cam small block until the arrival of the LS6 engine in the early 2000s.

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.

How much oil does a 454 take?

7 quarts with a filter change is pretty much the rule on a 454.

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.

How much horsepower 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.

What’s the biggest small block Chevy engine?

LSX454The largest-displacement small-blocks ever produced by GM are the LSX454/LSX454R crate engines offered through Chevrolet Performance, at 454 cubic inches (7.4L); the largest-displacement small-block for a production vehicle is the 427-cubic-inch (7.0L) LS7 used currently in the Corvette Z06.

How much does it cost to rebuild a 454 engine?

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.

Is the 7.4 Vortec a good engine?

The 1996-2000 L29 7.4L big blocks are great engines. Much more dependable and durable than the 6.5L diesel of that era. L29’s had multiport sequential fuel injection, all of the latest sealing technology to prevent oil leaks and the “Vortec” style heads flowed very well.

When did the 454 get fuel injection?

1988But in 1988, Chevrolet introduced Throttle Body Fuel Injection to the 454. It was the same TBI system used on small-block V-8s and the V-6s. Fuel efficiency increased and the TBI system remained until 1995. It extended the 454’s life to power buses, watercraft and industrial applications.

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.

Which Chevy big block is the best?

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. … 454 LS6.

How many miles will a 454 last?

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 engines are considered big blocks?

Typically, big-block engines have displacements of greater than 400 cubic inches and small block engines have a smaller displacement.

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.

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 1975 454 have?

my 75 454 is rated at 245 HP.