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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

Engine - Adjustable Cam Gears Adjustable cam gears are the only way to change cam timing on a 20R or 22R series Toyota motor and be accurate. Both single, see Part# 1022006 and double, see Part# 10 … Read more