Tech Articles

Dowel Pin Clearance Another contributing factor to a "Blown Head Gasket" is dowel pin clearance - or lack of clearance, which can occur when a cylinder head is milled too much. This is an often-overl … Read more

Spark Plugs Spark plugs are one of the most misunderstood components of an engine. Numerous questions have surfaced over the years, leaving many people confused. Spark plug reading is a science all i … 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 maki … 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 p … 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. If … 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 th … Read more