Table of Contents
Is Gen V 454 a 4 bolt main?
454ci/L29: Rated at 290 hp, The Vortec 7400 is the last generation 454, with the same 4.5×4-inch bore and stroke as before. Like the Gen V, all engines feature four-bolt mains.
How many horsepower does a stock 454 have?
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 does a Chevy 454 have?
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.
How much HP can a stock 454 block handle?
600 hp
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). Indeed, many do. Using the same multiplier, a 496 can support 645 hp.
How much horsepower does a Chevy 454 motor have?
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…
What are the specifications for a Chevy 454 engine?
– The LS5 454 engine has a compression ratio of 10.25 to 1. – The LS6 454 engine has a compression ratio of 11.25 to 1. – The Vortec 7400 454 engine has a compression ratio of 8.5 to 1. – The 454 HO crate engine has a compression ratio of 8.75 to 1.
When did Chevy come out with the 454?
The Chevrolet 454 engine was a part of the 2nd generation of Chevrolet big block engines. The first generation of Chevy big block engines was introduced in 1958, with the 2nd generation being introduced for production vehicles in beginning in 1965. The introduction of the 454 engine did not actually begin until 1970.
What is the timing of Chevy 454 engine?
The timing on stock 396, 402, 427 and 454 engines is 32-34 degrees total advance at 3500 rpm. This is for an engine with stock camshaft, heads, stroke, and a compression ratio of 10:1. The high-performance versions are slightly higher with a maximum advance of 38 degrees on premium fuel, if the camshaft warrants it.