Specifications for V8 Engine Models 35, 39, and 42 - Page 14
INFORMATION
2
GENERAL DATA
Oil pump - Engine numbers without suffix B
Gear to cover face minimum clearance
0.05 mm
. . . . . . . . . . .
0.002 in
Oil pressure relief valve - Engine numbers
without suffix B
Spring free length
81.28 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 in
Oil pump - Engine numbers with suffix B
Inner to outer rotor clearance - maximum
0.25 mm
. . . . . . . . .
0.01 in
Rotors to cover plate clearance - maximum
0.1 mm
. . . . . . .
0.004 in
Drive gear wear step depth - maximum
0.15 mm
. . . . . . . . . . .
0.006 in
Oil pressure relief valve - Engine numbers
with suffix B
Spring free length
60.0 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 in
Oil pressure by-pass valve - Engine numbers
with suffix B
Spring free length
60.0 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 in
Camshaft
Maximum run-out
0.05 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.002 in
End-float - Camshafts with thrust plate
0.05 to 0.35 mm
. . . . . . . . . . .
0.002 to 0.014 in
Piston rings
Ring to groove clearance:
Top compression
0.05 to 0.10 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
0.002 to 0.004 in
2nd compression
0.05 to 0.10 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
0.002 to 0.004 in
Ring fitted gap:
Top compression
0.30 to 0.50 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
0.012 to 0.02 in
2nd compression
0.40 to 0.65 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
0.016 to 0.026 in
Oil control rails
0.38 to 1.40 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.014 to 0.05 in
Oil control ring width
3.00 mm
. . . . . . . . . . . . . . . . . . . . . . . . .
0.12 in - maximum
Pistons
Clearance in bore
0.015 to 0.045 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . .
0.001 to 0.002 in
Gudgeon pins
Length
72.67 to 72.79 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.85 to 2.86 in
Diameter
22.215 to 22.220 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.87 to 0.871 in
Clearance in piston
0.006 to 0.015 mm
. . . . . . . . . . . . . . . . . . . . . . . . . .
0.0002 to 0.0006 in
Connecting rods
Length between centres
143.71 to 143.81 mm
. . . . . . . . . . . . . . . . . . . . . .
5.66 to 5.67 in
End-float on crankshaft
0.15 to 0.36 mm
. . . . . . . . . . . . . . . . . . . . . . .
0.006 to 0.014 in
Cylinder bore
Cylinder bore diameter:
3.5 engine
88.86 to 88.90 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.498 to 3.500 in
3.9 engine
94.00 to 94.04 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.700 to 3.702 in
4.2 engine
94.00 to 94.04 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.700 to 3.702 in
Maximum ovality
0.013 mm
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.0005 in
