LS3 is considered a small block? - CorvetteForum
Sep 9, 2015 · Big block is engines of 396, 427, or 454 cu. in., optional in Corvette engines from 1965 through 1974. The LS3 is 376 cu. in., small block.
Are All LS Engines Small Blocks? A Deep Dive into the Facts
Aug 1, 2025 · While LS engines are often referred to as small blocks, this label can be misleading. The LS series was designed to be a modern evolution of the classic small-block Chevy, but it …
GM's LS2 Vs. LS3 Engine: What's The Difference Between Them?
Apr 20, 2024 · GM's small block LS2 and LS3 V8 engines are similar, but not the same. What are the biggest differences between these two beastly powerplants?
LS Engine Codes Explained - LSX Magazine
Apr 27, 2016 · LS engines are ALL considered small blocks. Though some have a big-block displacement, like the LSX 454 crate engine (Exception being the 8.1 Vortec which is a big block). …
Big-Block, Small-Block, Or LS Engine: Choose Your Power
Mar 7, 2016 · That brings us to this point in our discussion; what parameters are being considered when people decide whether to build a big-block, small-block, or an LS-style engine for their project?
Ultimate Chevrolet LS3 Engine Guide - Specs, Problems, Mods
May 29, 2023 · As we mentioned, the LS3 engine is part of the fourth generation of small-block V8 engines. It is a 6.2 liter (376 cid) V8, and GM based the block on the Vortec 6200 L92 block, which …
LS and GM Small Block Engine Identification, Casting Numbers and …
Apr 14, 2023 · General Motors (GM) truck motors are known for their durability, reliability, and performance. Whether you're looking to purchase a new or used GM truck engine for your race car …
Recognizing small-block, big-block, and LS engines
Sep 30, 2024 · With that said, the looks and unmatched strength of a big-block are undeniable, so those builds are continually on our radar. Of course, the small-block fraternity is about as hard-core as it …
Ask Away! with Jeff Smith: Should I Run a Big Block or an LS Engine in ...
Feb 10, 2025 · Expert Jeff Smith offers insight on the pros and cons of a modern GM LS engine versus a classic big block Chevy V8 for an old muscle car.
LS1 Vs LS3 (List Of Differences) - CarShtuff
Apr 3, 2025 · The LS3 engine has a bigger displacement, more peak power, and a higher compression ratio than the LS1. The newer engine (LS3) is considered more reliable and makes better engine noise.