Spark Plugs

SPARK PLUG BASICS: The spark plug has two primary functions: To ignite the air/fuel mixture and to remove heat from the combustion chamber. Spark plugs transmit electrical energy that turns …

Valve Timing & Performance

If racing is your thing, or just an automotive enthusiast, then you are most likely not afraid of swapping camshafts in your engine. However, the trick to making your car …

How to Perform a Leak-Down Test

When your street or race engine starts showing signs of “lack-of-power”, a common and yet simple test that can be performed is a “Leak Down” test. A “Leak Down” test …

Degreeing In Your Camshaft

Disconnect the Battery Do not use the starter to perform any of these steps. To find Top Dead Center use a piston stop to stop the piston in the same …

Head Studs vs Head Bolts

Believe it or not, there is a huge difference between using a cylinder head “stud” and a cylinder head “bolt.” Factory head “bolts” will eventually stretch and pull out of …