Vortec 1600 - Page 35

Industrial 1.6L Engine Mechanical 1-13
Crank Drive, Cylinder Block (Continued)
Crank Drive, Cylinder Block (Continued)
Engine 1.6 L Z 16 SE
Lower con-rod bearing shellCon-rod bearing
Color code Thickness
(Metric)
Thickness
(English)
Code
GM 400
Standard Size - 1.485 – 1.497 mm 0.0585 – 0.0589 in 264 N
Undersize (0.25) blue 1.610 – 1.622 mm 0.0634 – 0.0639 in 265 A
Undersize (0.50) white 1.735 – 1.747 mm 0.0683 – 0.0688 in 266 B
Upper con-rod bearing shell
Standard Size - 1.485 – 1.497 mm 0.0585 – 0.0589 in 264 N
Undersize (0.25) blue 1.610 – 1.622 mm 0.0634 – 0.0639 in 265 A
Undersize (0.50) white 1.735 – 1.747 mm 0.0683 – 0.0688 in 266 B
Perm. con-rod play - 0.019 – 0.071 mm .00075 - .00280 in -
Engine 1.6 L Z 16 SE
3 wide main bearing
journals (guide bearing)
Color code Width
(Metric)
Width
(English)
Code
GM 400
Standard Size green-brown 25.850 – 25.900 mm 1.0177 – 1.0197 in -
brown/blue 26.050 – 26.100 mm 1.0256 – 1.0276 in -Undersize (0.25)
green/blue
brown/white 26.250 – 26.300 mm 1.0335 – 1.0354 in -Undersize (0.50)
green/white