GMC Sprint Fuel Injection Relays

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.

Check out episode 9 of our 410 Sprint Car Build series! Today, the guys are having some fun with the fuel system.

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

Pat talks about our Tanks Inc. EFI fuel tanks.

Pat talks about one of our LS1 fuel delivery kits.

Pat answers some commonly asked questions about the MSD LS fuel delivery kit and shows basic installation tips.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.