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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 dependab … Read more

Engine - Timing Chain This is the chain that drives the camshaft, valve train and ignition system. It's a very important part in your engine dependability and performance. A little history on the … Read more

Engine - Timing Chain Conversion: The Timing Chain Conversion Kit (see Part# 1015012 ) adds a dual row timing chain to replace the single timing chain that is standard in the late 85-95 22R & 22RE … Read more

Engine - Proper Cam Timing Camshaft timing is very critical to the 20R and 22R series motors. With the early motors, the double row chain was very adequate, however, in late 1983 Toyota started th … Read more

Engine - 94mm CP Pistons CP Pistons Cylinder Honing Recommendations For CPN & CPN2 For use with our CPN and CPN2. piston rings, we recommend plateau honing with a cylinder bore cross hatch angle o … Read more

Engine - Checking Compression Ring Gaps (Street Pistons) Ring gaps are often a confusing and misunderstood part of a re-ring job. There are MINIMUM and MAXIMUM ring gap specifications, which must be … Read more