Learn about the GM & Chevy Vortec 7400 7.4L big-block V8 engine. GM/Chevy used the Vortec 7400 from 1996-2001 inside 3/4 and 1 ton trucks, as well as in commercial vehicles and RV motorhomes. Make sure to check out our 7.4 Vortec Engine Guide and top 7.4 Vortec Performance Upgrades. We’re always adding more Vortec 7400 content, so check back soon.
The 7.4 Vortec put down 290 horsepower and 410 lb-ft of torque which is nothing crazy for a 454 cubic inch engine. Fortunately, GM overbuilt these engines and then underpowered them, leaving a ton of room for performance upgrades. With internals that are good for over 800hp and a block that can handle more than…
In 1996, Chevrolet released their 7.4 Vortec V8 engine. It was part of Chevy’s penultimate generation of their big block series, and it is sometimes called the 454 Vortec. It is distantly related to the 454 LS6 V8 that Chevy put in their famous 1970 Chevelle SS — hence the 454 name. Though it had…
