144—ENGINE
CHRYSLER SERVICE MANUAL
ENGINE (Cont'd)
G-71
C-72, G-73, G-70
Pitch
Width
TAPPETS
Type
Clearance in Block
Body Diameter
Clearance Between Valve Stem and
Rocker Arm (Tappet Bled Down)....
PISTONS
Type
Material
Land Clearance (diametral)
Clearance at Skirt
Weight
Piston Length (overall)
Ring Groove Depth
No.
1
No.
2
No.
3
Pistons for Service....
PISTON PINS
Type
Diameter and Length
Clearance in Piston (thumb press at
70° F.)
End Play
Clearance in Rod (Selective)
Piston Pins for Service
Direction Offset in Piston
PISTON RINGS
Number of Rings Per Piston
Compression
Oil
Width of Rings—
(Compression)
(Oil).
Piston Ring Gaps (All)
Ring Side Clearance
(Compression)
Upper
.375"
1W
Hydraulic
.0005 to .0015"
.9040 to .9045"
Dry Lash .060 to .210'
Horizontal Slot w/Steel Band
Aluminum Alloy Tin Coated
.027 to .032"
At Top of Skirt
.0005 to .0015"
595 gm.
3.55"
.200"
.200"
.194"
Std., .005, .020, .040,
.060"
OS
Full Floating
.9841 to .9843 x
3.140 to 3.150"
.0000 to .0005"
.004 to .026"
.0001 to .0004"
Std., .003, .008" OS
Toward Right Side of Engine
3
2
1
.0775 to .0780"
.1860 to .1865"
.010 to .020"
.0015 to .0030'
.375
Hydraulic
.0005 to .0015"
.9040 to .9045"
Dry Lash .060 to .210"
Horizontal Slot w/Steel Strut
Aluminum Alloy Tin Coated
.028 to .033"
V/2 from Bottom of
Skirt .0005" to .0015"
646 gm.
3.99"
.205"
.205"
.198"
Std., .005, .020, .040,
.060"
OS
Full Floating
.9841 to .9843 x
3.140 to 3.150"
.0000 to .0005"
.004 to .026"
.0001 to .0004"
Std., .003, .008" OS
Toward Right Side of Engine
3
2
1
.0775 to .0780'
.1860 to .1865'
.010 to .020"
.002 to .0035"
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