If the cylinder heads are on the engine, you will need to add air pressure to the cylinder to hold the valves in place. Our example is the Craftsman 47089 compression test kit using the 14mm long ...

Last month, we showed you a buildup on Tim Moore's budget 5.0L Ford. We pulled it from the junkyard and added a Lunati hydraulic roller cam, some head mods, and an intake and carburetor and made a ...

The scenario goes something like this. Our LS3 used to rev freely and make power all the way up through 6,800 rpm, but now it struggles to get to 6,000 and power is definitely down. After a thorough ...

Many gearheads buy their cylinder heads fully assembled and don’t have to sweat making sure all of the various parts are set up correctly. But for those that build their own, or that just need to swap ...