How much horsepower does a 454 big block put out?
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.
What is cammed exhaust?
The term “camming” refers to the modification of a truck’s camshaft. While it may sound justifiably complex, the process of changing out the camshaft allows you to build a custom engine that performs better within a particular RPM range.
How many horsepower is a 454?
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 can I make my 454 faster?
How Do I Get More Power out of a Chevy 454?
- 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.
- Replace the stock exhaust system with a high-flow system.
- Replace the stock timing parts with ones tuned for racing.
When did the Camaro 454 Cam come out?
Thanks.:thumbsup: Big blocks do not make the same level of power per cubic inch that the small block does due to two issues. The motor was designed in late 1961 to be a race engine for NASCAR high bank racing. As such it was designed to make power only at high RPM.
What’s the horsepower of a Chevy 454 Cam?
The original heads were created not by computer, but by an engineer that was more concerned with ease of casting more than optimizing horsepower. Case in point the hottest 454 offered by Chevrolet was the LS-7 that was rated at 465 horsepower and 610 ft./lbs. of torque.
What kind of Cam is on a 1972 Camaro block?
Block is a 1972 454, .060″ over pistons, Steel 427 Crank, Went with an Iskenderian Cam, Flat Tappet/ Hydraulic Cam, Crane Roller Rockers. And use the Valvoline Race oil with the Zinc additive.
Why does my 454 Camaro have no power?
That rumpity rump idle is caused by your fresh air and fuel charge being pushed back up the intake ports by the valve being left open. Starved of a fresh air and fuel charge and polluted by exhaust gasses pouring into the cylinder by the exhaust valve being left open, you have no bottom end power.