20R/22R

Engine - Timing Chain Evolution Single Row vs. Double Row From 1975 to 1982 Toyota produced the 20R & 22R four-cylinder engines that utilized a dual timing chain system. It proved to be very depe … Read more

Ignition - 22 Performance Ignition Timing Curve Initial Timing at 1000 RPM: 12-14 Degrees Centrifugal Timing at 2000 RPM: 20-22 Degrees Vac Advance (Venturi Vacuum Source): 4-6 Degrees … Read more

Engine - Setting The Proper Distributor Timing Setting ignition timing on a high performance Toyota engine can make a very big difference in how they ultimately will perform. When using an LC Enginee … Read more

Engine - Setting The Ignition Timing Correctly Before attempting to check/adjust the timing, make sure the air gap is correct between the distributor rotor and signal generator. Connect a tac … Read more

Engine - LC Engineering Pro Distributor An often forgotten component, but an extremely important one for the performance of your engine is the Distributor. The Distributor redirects all the high volt … 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