In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

The space, or gap, between the center and side electrodes needs to be an exact distance across; otherwise, your plugs don't fire efficiently. Adjusting the distance between the two electrodesis called ...

If you've decided that you can get at your spark plugs without damaging your vehicle, assemble the items you need before you begin: Never change just a few plugs; it's all or nothing for even engine ...

If you’re like me and you’re unconvinced that hydraulic lifters exist, you’ve probably got a set or 10 of feeler gauges stuffed in the top drawer of your toolbox: you know, the place where you keep ...

View post: Amazon Has a Bolt Extractor Kit on Sale for Just $20 We’re making the assumption here that the plug wires or boots and the distributor cap and rotor (if so equipped) are in good condition.