Bit Driver Sets

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.

Learn the proper steps in upgrading your air cleaner assembly to ensure clean air, allowing your engine to more easily make the power that it should.

You never forget your first car. Here are a few from the resident gearheads at Speedway Motors!

This article guides you through the process of repairing and painting a subframe for a 1967 Poncho Firebird. See how the front suspension gets an overhaul including new G-comp spindles and a disc brake kit.

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

Advantages of using Speedway Motors weld-on rear disc brake kit for a Ford 9-Inch rear end. Learn some tips for installation. This kit includes IMCA approved brake calipers.

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

Zach bent an exhaust valve and needed to pull the top off of the engine to replace the valve and gaskets. There are several reasons why you would need to pull the top off of your engine, but Zach's step by step process is universal.

Dirt modified racing delivers high-horsepower, adrenaline-fueled action, learn more about them and their racing classes

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects