Powermaster Jeep Inline 4 2.5

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 how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

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!

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.

This is more than the story of a vintage sprint car. It's also the story of how a dynamic duo of "Speedy" Bill Smith and Jan Opperman toppled giants at the 1976 Hulman Classic.

Engine Cylinder Numbers

It in this last part of the race car sponsorship series, Frank and McKenna discuss the importance of following up and continuing to build relationships with sponsors.

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

A quick review of the Performance Tool W41036 Deluxe Engine Leveler available at Speedway Motors.

Jan Opperman was a two-time Indianapolis 500 starter in 1974 and 1976. His success with USAC earned him a ride in the 1974 Indianapolis 500 in this very car. He didn't finish, but there's plenty more to the story...