How much horsepower does a 454 engine have?
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. Step 1 Determine the power output desired.
Is a 454 BBC a good engine to upgrade?
If upgrades to the short block are necessary, it may be worthwhile to consider installing an aftermarket "stroker" crank to gain even more displacement. This has become very commonplace to the point that a 454 BBC is considered a small BBC performance engine.
What size heads do I need for a 454 engine?
Not all factory production heads are suited to high horsepower production; however, there are several choices available from aftermarket vendors. Generally speaking, a head with 290 to 320 cc intake port volumes will allow high RPM airflow and maximum horsepower outputs in a 454-cubic inch engine.
What happened to the 454 Chevy?
Uncle Sam started to tighten down on emission controls in 1971 which affected a lot of the power of the 454. Another big blow for the 454 was the gas crisis of 1973 which pretty much sealed the fate for the motor during this period. The last Chevelles of 1973 used the 454 but by this point the engines had been toned down to a measly 245 horsepower.
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.
What year 454 has the most horsepower?
1970The 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 v8 have?
454ci/L29: Rated at 290 hp, The Vortec 7400 is the last generation 454, with the same 4.5x4-inch bore and stroke as before. Like the Gen V, all engines feature four-bolt mains.
How do you make a big power with a 454?
1:1212:47HOW TO MAKE CHEAP BBC POWER. JUNKYARD 454 VS ...YouTubeStart of suggested clipEnd of suggested clipWe we would eventually put a camshaft in it but going with the the big pricey items we decided toMoreWe we would eventually put a camshaft in it but going with the the big pricey items we decided to show you what happens when we just take and run this thing on the dyno.
How much HP can a 454 block handle?
600 hpWhere 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). Indeed, many do. Using the same multiplier, a 496 can support 645 hp.
How strong is a 454 engine?
General Motors introduced EFI in 1987, which was found on GM C1500 SS, C/K2500 and C/K3500 trucks. 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.
Is 454 a good motor?
The 454 big block is a very good engine to go with if you are looking for something that can output a lot of power, and fit in a lot of classic cars and trucks. This is a classic engine from Chevrolet and stock it makes great power from the factory, if you upgrade it you can get even more out of it.
Is the Chevy 7.4 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.
How long will a 454 engine last?
454 will run 200k with the right oil.
How much does it cost to build a 700 hp engine?
We build a 700hp 454 engine for $2,403.
How much does a 454 engine cost?
As crate engines go, GM Performance Parts' 454 H.O. crate engine is not only a bargain at its street price of around $4,600, its forged crank, pistons, and rods also make it capable of handling nearly as much power as you're capable of throwing at it. We proved that in our Aug.
How much does it cost to build a 454 BBC?
We Build A 700HP 454 For $2,403 without braking the bank. It seems a certainty that Chevy guys would rather eat dirt than drive a Ford, but not all Chevy guys agree about their choice of powerplant. The original small-block has a lot going for it, including power potential, minimal weight and even affordability.