Dodge 2001 Ram 1500 Owner's Manual page 1161

9 - 14 ENGINE 3.9L
ENGINE 3.9L (Continued)
SPECIFICATIONS
3.9L ENGINE
GENERAL DESCRIPTION
DESCRIPTION
Engine Type
Bore and Stroke
Displacement
Compression Ratio
Firing Order
Cylinder Compression
Pressure (Min.)
CAMSHAFT
Bearing Diameter (Inside)
No. 1
No. 2
No. 3
No. 4
Journal Diameter
No. 1
No. 2
No. 3
No. 4
Bearing to Journal
Clearance
Standard
Max Allowable
SPECIFICATION
90° V-6 OHV
99.3 x 84.0 mm
(3.91 x 3.31 in.)
3.9L (238 c.i.)
9.1:1
1–6–5–4–3–2
689.5 kPa
(100 psi)
50.800 - 50.825 mm
(2.000 - 2.001 in.)
50.394 - 50.825 mm
(1.984 - 1.985 in.)
49.606 - 49.632 mm
(1.953 - 1.954 in.)
39.688 - 39.713 mm
(1.5265 - 1.5653 in.)
50.749 - 50.775 mm
(1.998 - 1.999 in.)
50.343 - 50.368 mm
(1.982 - 1.983 in.)
49.555 - 49.581 mm
(1.951 - 1.952 in.)
39.637 - 39.662 mm
(1.5605 - 1.5615 in.)
0.0254 - 0.0762 mm
(0.001 - 0.003 in.)
0.127 mm
(0.005 in.)
DESCRIPTION
End Play
CONNECTING RODS
Piston Pin Bore Diameter
Side Clearance
(Two Rods)
Total Weight
CRANKSHAFT
Rod Journal Diameter
Rod Journal Out of
Round
(Max)
Rod Journal Taper
(Max)
Rod Journal Bearing
Clearance
Rod Journal Service Limit
Main Journal Diameter
Main Journal Out of
Round
(Max)
Main Journal Taper
(Max)
BR/BE
SPECIFICATION
0.051 - 0.254 mm
(0.002 - 0.010 in.)
24.940 - 24.978 mm
(0.9819 - 0.9834 in.)
0.152 - 0.356 mm
(0.006 - 0.014 in.)
762 grams
(25.61 oz.)
53.950 - 53.975 mm
(2.124 - 2.125 in.)
0.0254 mm
(0.001 in.)
0.0254 mm
(0.001 in.)
0.013 - 0.056 mm
(0.0005 - 0.0022 in.)
0.08 mm
(0.003 in.)
63.487 - 63.513 mm
(2.4995 - 2.5005 in.)
0.0254 mm
(0.001 in.)
0.0254 mm
(0.001 in.)