454 big block

A N.O.S. LS-7 454 big-block Chevy from 1979 runs for the first time at Westech Performance—read what happens!

HOT ROD explains everything you need to know about Chevy big-blocks engines, including which one you should consider for your next build.

Follow along as this article shows you how to make good power with a big block Chevy V8 without a big wad of cash.

High Horsepower Very Streetable Road King

How to Build Chevy Big-Blocks: Intake Manifold Guide Includes in-depth instruction and photos. Also covers how to disassemble and rebuild any manual transmission. More info on performance mods, clutches and shifters.

Hardcore Horsepower puts its skills to the test in the construction of this pump-gas big-block Chevrolet engine that boasts 551 horsepower on 87 octane.

Raylar Engineering Turns Chevy's Rat/LS Combo Motor Into a Viable Performance Candidate

Westech Dyno Tested a 496-Inch solid-roller big-block Chevy that was built to run on pump gas on the street as well as the strip. The result is a mill that makes a ton of torque all across the rpm band.

We take a look back at the now retired LSX454R from Chevrolet Performance. This monstrous small-block was able to deliver big-block-like horsepower numbers.

In 1965, Chevrolet began offering the big block Chevy Mark IV—better known as the Rat. This wasn’t Chevy’s initial go-around with big block engines as its Gen. I W-series big blocks …