Rotating Assemblies

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Lifter tick vs rod knock—what's the difference? Learn how to identify these engine noises, their causes, potential damage, and how to fix them.

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

Learn proven small block Chevy 383 stroker engine build combos from 400-600 HP to power your next build

There are a lot of options out there when you're ready for a replacement performance crate engine. But if you compare the competition to BluePrint Engines, you'll find the value is hard to beat.

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

Understand GM’s AFM system—how it operates, it’s pros and cons, common lifter failures, and your options for tuning, disabling, or full AFM delete.