GM S-Series Engine Service

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

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

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

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

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

Learn correct spark plug firing orders for SBC, LS, Mopar, AMC, and Ford V8s, and learn what the correct firing order means for performance.

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce a number of new products in their booth (#23791) at the 2025 SEMA Show Nov. 4-7 in Las Vegas, Nev.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.