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NOTE: These are general gapping recommendations and are not to be considered absolute. State of engine tune, operating environment and personal experience must also be considered. If for any reason … Read more

The 4 Main Causes of Premature Camshaft Failure The key parts of any camshaft are the lobes. As the camshaft spins, the lobes open and close the intake and exhaust valves in time with the motion o … Read more

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 … Read more

Degreeing In Your Camshaft Degreeing In Your Camshaft means synchronizing the camshaft's position with the crankshaft. A few degrees of misalignment can affect the engine's operation dramatically. … Read more

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 … Read more

Engine - 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 … Read more