Read more: 11 Best Motor Oil Brands In 2024, Ranked As part of the fourth-generation GM small block engine series, the LS3 and LSA are more similar than they are different. Starting with the ...

So, how much does an LS3 crate engine cost? Currently, GM Performance Motor are selling LS3 crate engines for $9,679 – although don't underestimate the costs of actually fitting and plumbing in ...