The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was a brawny gas-guzzling powerplant that should have died an ignoble death after the 1973 fuel crisis. … In its various configurations, it was used for everything from performance cars to trucks, and as a marine and industrial engine.
What is a 7.4 L V8?
The 7.4L (454 cubic-inch) V8 was a big-block engine manufactured by the Chevrolet Division of General Motors starting in 1970. It was the second-largest Chevy production engine after the 8.2L, or 502 cubic-inch motor.
What is a 7.4 liter Chevy engine?
The Vortec 7400 was based on the 1995 version of the 7.4 liter Chevy 454-cubic inch V8 big block that was rated at 230 horsepower. The Vortec version increased horsepower by 60 horsepower for the GM line of trucks. The 7400 refers to the engine size in cubic centimeters and this easily translates into 7.4 liters.
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.
Is a Chevy 454 a small block?
The 454 is based on the World Products’ Motown iron block, and the biggest news about it, beyond the huge displacement alone, is the 4.250-inch bore. … Combined with the 4.000-inch stroke, the World Products 454 small-block has the same bore and stroke combo as an original 454 Chevy big-block.
Is the 454 a LS engine?
Chevy LS 454 Chevy SHP LS Next Pump Gas Engine $19,450
They Say All Good Things Come To Those Who Wait. … Not Only Pushing 765 HP At A Mild 6400 RPM This Hydraulic Roller Engine Delivers A Torque Curve So Broad And Powerful That You’d Swear You Were Running An Engine With A Blower On Top!
What is a Chevy 454 engine worth?
Posted by McNally on February 10, 2022. Buying an almost-new 454 from a junk yard costs a few hundred dollars. The estimated cost of performing a street engine for a car or truck around $5,000 and factory-high performance up to $15,000 is not surprising if you consider the turn key performance.
Is the Chevy 454 a good engine?
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.
Which LS engine is the best?
If you’re planning on boosting your project the 4.8L truck engine will be perfect for you. The 4.8L can take insane amounts of boost completely stock and will really perform well. If you don’t want a barebones 5.3L or 4.8L you could always step up to a 6.2L truck block which is based on the LS3 engine.
What liter is a 572 big-block?
A 572-cubic-inch (9.4-liter) big block V-8 is available, along with two small block V-8s, a 580-hp 350-cubic-inch (5.7-liter) unit and a 470-hp 427-cubic-inch (7.0-liter) motor. The 572 option starts at $105,500, while the naturally aspirated 427 will cost $117,500 and the supercharged 350 will set you back $130,000.
What is a 8.1 liter engine?
The GM 8.1L Vortec is a big block V-8 based loosely on the company’s flagship 454 CID engine. The 8.1L shares the 454’s 4.25 inch bore but features a longer 4.37 inch stroke length.
Is a 427 A big-block?
Chevrolet’s 427 cubic-inch big-block didn’t last long, but it made an indelible mark in the performance world. The Mark IV big-block 427, available only from 1966–69, is the one that muscle car fans perhaps most revere.
What is the difference between a Vortec and LS?
The Vortec truck harness has a large portion up on top of the intake manifold, is supported by it, and is covered or hidden by the plastic engine cover. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine.
Which Chevy big block is the best?
Our Top 5 Big Block Chevys of All Time
- 396 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 Chevy 454 last?
454 will run 200k with the right oil.