What Is The Most Horsepower You Can Get Out Of A 454?

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.

How much HP can I get out of a 454?

In general, a properly tuned production automotive engine produces 1.0-1.5 hp per cubic inch. Where a particular engine falls depends on many factors, so we’ll use 1.3 hp per cubic inch as a middle figure. That means a 454 can support almost 600 hp (454 x 1.3 = 590.2).

How much HP can a big block Chevy handle?

Builders say a stock Gen V block will handle 650 to 750 hp, depending on pump gas or race gas, and a two-bolt main limited to around 600 hp. A Mark IV can get you closer to the 900hp mark.

How big can you make a 454 big block?

They can safely be bored to 4.500 inches, which, even with the stock 454/502’s 4-inch-stroke crank, yields a displacement of 509 ci.

How much HP did 1970 454 have?

The 1970 LS6 454, factory rated at 450 hp, was exclusive to the Chevelle and the El Camino. It not only gave Chevrolet intermediates more power than the Corvette that year, it was the most powerful engine those cars would ever have.

How much horsepower does a cam add to a 454?

The 454 responded very well to the cam upgrade, as the peak numbers jumped from 376 hp and 482 lb-ft with the stock cam to 428 hp and 507 lb-ft of torque. An increase of 52 hp is always welcome, especially when it comes with a sizable jump in peak torque.

How do you make a 496 out of a 454?

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 . 060-inch over and you end up with the venerable 496.

What is the strongest Chevy block?

The ZZ632/1000 is a 632-cubic-inch V-8 delivering 1,004 horsepower. DETROIT – Chevrolet Performance today introduced the ZZ632/1000* crate engine — the largest and most powerful crate engine in the brand’s history. The naturally aspirated 632-cubic-inch V-8 produces 1,004 horsepower and 876 lb-ft of torque.

What is the strongest Chevy engine?

Of these, the hairiest was the 454 cubic inch LS6, which built on the knowledge gained from developing each of its predecessors.

How much can a 454 block be bored?

That’s because the classic, Mark IV big-block is limited to about 0.100-0.125-inch maximum overbores. On a 454ci engine with a stock, 4.00-inch stroke, a 0.100-inch overbore delivers a 476-inch displacement, while a 0.125-inch overbore will give you a 481-inch Rat.

How much power does a cammed 454 make?

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.

How much HP can a 572 handle?

The 572 offered from GMPP is designed as a 4.560-inch bore by 4.375-inch stroke combination using rectangle-port aluminum heads on a tall-deck Gen VI block.
This 572-Inch Crate Engine Look-Alike Rocks Out On Stage To The Tune Of 845 hp On Pump Gas.

What big block has the most horsepower?

Yep, Chevrolet Performance just announced a 632-cubic-inch (that’s over 10 liters for the metric crowd) big-block monster that belts out a tick over 1,000 hp and a whopping 876 lb-ft of twist.

How much does a rebuilt 454 cost?

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.

When did GM stop making the 454?

The revised 454 (now known as the Vortec 7400) was good for a whopping 290hp and 410 lb-ft of torque, and it was offered until 2001 (the final year for commercial and recreational vehicle use).

How fast is a 454?

But as MotorWeek found out, the 454 SS was still pretty quick. Lots of low-end torque helped the truck sprint to 60 mph in 7.7 seconds, while the quarter-mile took 15.9 seconds.

How much HP does a high lift cam add?

Our high-lift cam produced 20 more hp and 9 more lb-ft of torque than our identical low-lift version of the same camshaft. Comparing the data, we noticed that the camshafts are almost identical in horsepower and torque until right around 4,200 rpm, where we start to see the lines separate.

Does camming increase horsepower?

Yes. Adjusting the camshafts so the cams are slightly ahead or behind will alter the engine’s performance. Advancing the timing will cause the fuel intakes to open and close earlier, which improves low-end torque. Conversely, retarding the cam will improve high-end horsepower at the expense of low-end torque.

How much HP does a Stage 2 cam add?

How much HP does a Stage 2 camshaft add? Stage 2 is upgrading the camshaft while also upgrading the intake and remapping the ECU and exhaust system in order to complete Stage 1. What is this? You can see 20-25% more power from the engine when you’ve completed stages 1 and 2.

How much horsepower does a 496 put out?

The sweet spot was found at 32 degrees, where the 496 big-block stroker belted out 709 hp at 6,700 rpm and 602 lb-ft of torque at 5,600 rpm!

Is 496 a stroker motor?

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. This engine requires at least a 3000 stall converter if using an automatic transmission.