Jr Dragster Valve Spring Testers

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

Leaking engine cylinders is an important preventative maintenance test to do while racing. Learn the steps to perform this test and how to indicate proper engine tuning.

A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.

If your replacing, or purchasing a new spring for a solid front axle, it's important to know where to measure from to ensure you get the right spring for your rod.

Pat talks about air solenoids for your air ride setup.

Incorporating a Model A rear cross member and a high arc stock spring into a roadster build.

Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Learn how to check and set your engine's valve lashes to prevent and detect engine failure. See steps on removing spark plugs and if they are tuned correctly.

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.