Mitsubishi 4G1 Service Manual page 301

Piston ring - SOHC
End gap
No. 1 ring
No. 2 ring
Front wheel drive vehicle
Rear wheel drive vehicle
Oil ring
Front wheel drive vehicle
Rear wheel drive vehicle
Ring to ring groove clearance
Front wheel drive vehicle
Rear wheel drive vehicle
Piston ring - DOHC
End gap
No. 1 ring
No. 2 ring
Oil ring
No. 1 ring
No. 2 ring
ournal O.D.
'in O.D.
Two-camshaft engine
Four-camshaft engine
NOTE
O.D. = Outer Diameter
Standard
0.45 - 0.60 (.0177 - .0236)
0.25 - 0.45 LOO98 - .0177)
0.20 - 0.60 LOO79 - .0236)
0.20 - 0.70 (.0079 - .0276)
0.03 - 0.07 LOOI 2 - .0028)
0.05 - 0.09 (0020 - .0035)
0.02 - 0.06 (.0008 - .0024)
0.30 - 0.45 (.0118 - .0177)
0.45 - 0.60 (.0177 - .0236)
0.20 - 0.70 (.0079 - .0276)
0.03 - 0.07 (.0012 - .0028)
0.02 - 0.06 (.0008 - .0024)
22.001 - 22.007 (8662 - .8664)
75.00 - 175.00 (1,653 - 3,858)
Room temperature
0.05 (0020) or less
0.1 (004) or less
0.10 - 0.25 (.0039 - .0098)
0.05 - 0.25 (0020 - .0098)
60 (2.36)
50 (I .97)
Less than 0.005 (.0002)
Less than 0.003 (.OOOl)
Less than 0.005 (.0002)
0.020 - 0.050 t.0008 - .0020)
mm (in.)
Limit
0.8 (.031)
0.8 (.031)
0.8 (.031)
0.1 (004)
0.1 (004)
0.1 (.004)
0.8 (.031)
0.1 (.004)
0.1 (.004)
0.4 (.016)
0.3 (.012)
0.1 (.004)
0.1 (.004)