We took an LS3 block from Summit Racing, added a 3.267-inch stroke crankshaft from a 4.8L, spun it to 8,000, and made 607 hp. The secret to this small-block screamer is the short stroke and good head ...

Katech Engines has released its LS3-based, 416-cubic inch short block with a price tag of $5,899.99. That's a pretty penny, and a fair bit more than the competing 427-cubic inch short block by ...

What is the best bang-for-buck V-8 crate engine you can buy in 2024? The correct answer is Chevy's tried and true swap platform, the “Gen IV” 6.2-liter LS3 V-8 engine. Why the LS3 when there are ...

In last month's installment, Texas Speed and Performance (TSP) used a brand-new GM L92/LS3 block as the foundation to build a high-performance 418ci stroker engine. Sunset Racecraft in Lubbock, Texas, ...

Last month Chevrolet Performance sent over two brand new transmissions, a 4L65-E and a 4L85-E to use in some project car builds that we are currently working on. Now it's time to unveil the engines ...