Piston & Rod Assembly
- Connecting rods are available in 4 tolerance ranges. Rod size depends on crank journal bore. A reference number between 1 and 4 is stamped on side of rod's big end bore. Any combination of numbers between 1 and 4 may be found in engine.NOTE: Reference numbers are for big end bore code. Numbers DO NOT indicate rod position in engine.
- Nominal connecting rod's big end bore is 2.20" (56 mm). Install piston and connecting rod with arrow on top of piston toward timing belt side of engine.