05-22-2017, 07:45 AM
.020 total is sufficient, even for gasoline. The rod will center itself, so there will be ABOUT half the clearance per side once the rod's in the engine. Tolerance stackup and dynamic loads mean that the rod finds its own position when running. The spacers and hardened washers keep the big end of the rod much nearer to the center of the crank journal. Steve and Bonbright have saved a lot of Benders and increased their performance by this method. Ted