Are 454 engines reliable?

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.

How many miles will a 454 last?

Gone but not forgotten. 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).

Is 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.

How many horsepower is a 454 engine?

The 454 EFI version was rated from 230 hp (172 kW) to 255 hp (190 kW) and from 385 lb⋅ft (522 N⋅m) to 405 lb⋅ft (549 N⋅m) of torque.

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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).

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 can I get more power out of my 454?

How Do I Get More Power out of a Chevy 454?

  1. 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. …
  2. Replace the stock exhaust system with a high-flow system. …
  3. Replace the stock timing parts with ones tuned for racing. …
  4. Bolt on a supercharger.

How much does it cost to rebuild a 454 marine engine?

Rebuilding a gaser will cost around $750 doing the work yourself. Now that is all new pistons,rings,lifters,bearings ect.

How much power can a 454 block handle?

MonzaRacer. 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.

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Can you stroke 454?

Best of all, they’re ripe for the stroker treatment. Take a 454, add a 4.250-inch stroke crank along with some 6.385-inch rods and your displacement shoots up to 489 cubes. Now bore those cylinders out a touch, to say .

Are 427 and 454 blocks the same?

Yes, the 427 and 454 block are interchangable. The 427 needs a different crank, pistons, balancer, and flywheel. The 454 and 427 and 396 all use the same rod. Yes, there can be some issues with the bigger domes that were meant for the close chambers if used on the open chamber heads.

What is a 572 Hemi?

FHO 572 Street Hemi Package. The 572 has become the most popular engine produced at FHO. It offers the most bang for the buck, with improved torque and power over the smaller 528/540’s. With the added low end torque, this engine does not require steep gears or high stall torque converters to perform.

What car came with a 572?

Chevrolet Chevelle Malibu

How much horsepower does a 1975 454 have?

my 75 454 is rated at 245 HP.

What size is a 454 bored 30 over?

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

How much horsepower does a 1987 454 have?

230 horsepower

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