Stock Car Vortec L31 Small Block Chevy Cylinder Block Components

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Learn the differences between Chevy 2-bolt and 4-bolt main blocks, how to ID them, key years, and whether a 4-bolt is worth it for your build

The small block Chevy is still a great option for your muscle car, hot rod, or classic truck, just follow our build lists

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

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!

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.