The popular small-block Chevy 350 has long been one of the most popular engine choices for General Motors automobiles. However, GM's venerable 350 cubic-inch V8 wasn't created overnight.
The third generation began, as you would expect, with the GM LS1 engine ... GM gave the engine a bore of 3.9 in. with a 3.62 in. stroke, creating 5.7L of engine displacement.