dodge Workshop Repair Guides

Dodge Workshop Service and Repair Manuals

Piston, Engine|Specifications|Page 1794 > < Harmonic Balancer - Crankshaft Pulley|Specifications|Page 1790
Page 1
background image

Piston: Specifications

Pistons

Type Material .................................................................................................................................................................  Aluminum (Full Floating Pins)
Piston Diameter .................................................................................................................................................  95.98 ± 0.019 mm (3.7788 ± 0.0008 in.)
Clearance at Size Location .......................................................................................................................  -0.007 to +0.047 mm (-0.0003 to +0.0018 in.)

Piston Weight

A Size ............................................................................................................................................................................  438-443 grams (15.45-15.62 oz.)
B Size ............................................................................................................................................................................  433-438 grams (15.27-15.45 oz.)

Piston Pins

Type .............................................................................................................................................................................................................  Full Floating
Clearance in Piston ..................................................................................................................................................  0.005-0.015 mm (0.0002-0.0006 in.)
Clearance in Rod .......................................................................................................................................................  0.007-0.018 mm (0 0003-0.007 in.)
Diameter ..............................................................................................................................................................  23.997-24.000 mm (0.9448-0.9449 in.)

Piston Rings

Ring Gap-Top Compression Ring ...................................................................................................................................  0.20-0.36 mm (0.008-0.014 in.)
Ring Gap-2nd Compression Ring ...............................................................................................................................  0.23-0.50 mm (0.0091-0.0197 in.)
Ring Gap-Oil Control (Steel Rails) .................................................................................................................................  0.25-0.76 mm (0.010-0.030 in.)

Ring Side Clearance

Top and Second Compression Ring ............................................................................................................................  0.04-0.08 mm (0.0016-0.0031 in.)
Oil Ring (Steel Rails..............................................................................................................................................  0.038-0.184 mm (0.0015-0.0073 in.)

Ring Width

Top Compression Ring ...............................................................................................................................................  1.17-1.19 mm (0.0461-0.0469 in.)
2nd Compression Ring ....................................................................................................................................................  1.47-1.49 mm (0.058-0.059 in.)
Oil Ring (Steel Rings.............................................................................................................................................  0.445-0.470 mm (0.0176-0.0186 in.)

Piston Ring Groove Diameter

No. 1 ................................................................................................................................................................................  87.4-87.6 mm (3.441-3.449 in.)
No. 2 ..............................................................................................................................................................................  86.3-86.5 mm (3.397-3.4055 in.)
No. 3.................................................................................................................................................................................  85.8-86.0 mm (3.378-3.385 in.)

Piston, Engine|Specifications|Page 1794 > < Harmonic Balancer - Crankshaft Pulley|Specifications|Page 1790