Vortec 1600 - Page 34

1-12 Engine Mechanical Industrial 1.6L
Crank Drive, Cylinder Block (Continued)
Engine 1.6 L Z 16 SE
Lower crankshaft bearing shellCrankshaft bearing
1,2,4,5
Color code Thickness
(Metric)
Thickness
(English)
Code
GM 400
brown 1.989 – 1.995 mm 0.0783 – 0.0785 in 221 NStandard Size
green 1.995 – 2.001 mm 0.0785 – 0.0788 in 201N
brown/blue 2.114 – 2.120 mm 0.0832 – 0.0835 in 222 AUndersize (0.25)
green/blue 2.120 – 2.126 mm 0.0835 – 0.0837 in 202 A
brown/white 2.239 – 2.245 mm 0.0881 – 0.0884 in 223 BUndersize (0.50)
green/white 2.245 – 2.251 mm 0.0884 – 0.0886 in 203 B
Upper crankshaft bearing shell
brown 1.989 – 1.995 mm 0.0783 – 0.0785 in 221 NStandard Size
green 1.995 – 2.001 mm 0.0785 – 0.0788 in 201N
brown/blue 2.114 – 2.120 mm 0.0832 – 0.0835 in 222 AUndersize (0.25)
green/blue 2.120 – 2.126 mm 0.0835 – 0.0837 in 202 A
brown/white 2.239 – 2.245 mm 0.0881 – 0.0884 in 223 BUndersize (0.50)
green/white 2.245 – 2.251 mm 0.0884 – 0.0886 in 203 B
Perm. bearing clearance - 0.015 – 0.041 mm .00059 - 0.0016 in -
Perm. end clearance - 0.100 – 0.202 mm 0.004 – 0.008 in -
Perm. out of round - 0.03 mm 0.0012 in -
Lower crankshaft bearing shellCrankshaft bearing
3
Color code Thickness
(Metric)
Thickness
(English)
Code
GM 400
brown 1.989 – 1.995 mm 0.0783 – 0.0785 in 225 NStandard size
green 1.995 – 2.001 mm 0.0785 – 0.0788 in 205N
brown/blue 2.114 – 2.120 mm 0.0832 – 0.0835 in 226 AUndersize (0.25)
green/blue 2.120 – 2.126 mm 0.0835 – 0.0837 in 206 A
brown/white 2.239 – 2.245 mm 0.0881 – 0.0884 in 227 BUndersize (0.50)
green/white 2.245 – 2.251 mm 0.0884 – 0.0886 in 207 B
Upper crankshaft bearing shell
brown 1.989 – 1.995 mm 0.0783 – 0.0785 in 225 NStandard Size
green 1.995 – 2.001 mm 0.0785 – 0.0788 in 205 N
brown/blue 2.114 – 2.120 mm 0.0832 – 0.0835 in 226 AUndersize (0.25)
green/blue 2.120 – 2.126 mm 0.0835 – 0.0837 in 206 A
brown/white 2.239 – 2.245 mm 0.0881 – 0.0884 in 227 BUndersize (0.50)
green/white 2.245 – 2.251 mm 0.0884 – 0.0886 in 207 B