How much HP can a built 454 make?
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.
How much power do peanut port heads produce?
You can get 425 HP on peanut head quite easy. A few years ago, we took a 330HP 454 with peanut port heads. We pocket ported and installed larger valves. The cast crank is good for about 500 HP, but always align bore the mains.
How can I improve my 454?
How to Increase Gas Mileage on a Chevy 454 Eng
- Replace your current air filter with a high-flow dry or oiled air filter.
- Remove your spark plugs using a spark plug socket wrench.
- Adjust your idle speed to the lowest setting.
- Tune up your vehicle.
- Maintain the proper tire pressure in your vehicle.
How can I make my 454 big block 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.
How much horsepower does a peanut port 454 have?
Run on the dyno with long-tube headers, the peanut-port 454 produced 334 hp at 4,300 rpm and 448 lb-ft of torque at 3,500 rpm. Besides, the junkyards are full of Gen-V motors just begging to be pulled and transformed. With torque production in mind for a heavy truck or towing application, we decided to see just what the peanut-ports had to offer.
Can you run a 454 with peanut heads?
Nothing fancy at all. The peanut port 454’s can and do run very well. Go easy on the cam and induction, and it will surprise the heck out of you (and many who lines up next to you!) Ummmm… don’t forget there are other mods required when you swap to a big block.
Why are peanut port heads good for big block?
Since head flow is one of the key components to power production, the peanut-port heads are often dismissed by big-block enthusiasts as little more than paper weights.
Is it possible to make more power with peanut ports?
While it is true that you can ultimately make more power with standard oval-port heads (like the much sought-after 049s), don’t rule out the plentiful peanut-ports for your daily driver, especially if you are looking for a cheap alternative that makes plenty of torque.