AC C4 Auto Trans Dipsticks

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

A real-world guide to 4L60 transmission specs, strength, and swap tips.

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

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.

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.

What can sprint car wings do? Wings help cars go faster, handle better and add safety. Find out how sprint car wings are constructed, the concept behind down force and the sprint car wing adjustments you are allowed to make while at the track.

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

Our friends at FiTech created this handy guide to help with that critical throttle adjustment and IAC setting...