Ford LSG 875 Service Manual page 164

8-02
SPECIFICATIONS
8-02
SPECIFICATIONS (Continued)
\MSHAFT AND BEARINGS (Cont' d.)
CONNECTING ROD BEARINGS (Cont' d.)
Marine - Intake .......................
.285
Allowable ....................
0.0008-0.0025
Exhaust ..................... .290 Wall Thickness
Maximum Allowable Lobe Lift Loss
....... 0.005
Standard ................... 0.0757-0.0762
Bearing Inside Diameter
.........
2.1258-2.1273
Camshaft Bearing Location -
PISTONS
No. 1 Bearing
Piston Diameter* -
.................. 0.040-0.060*
Timing Chain Deflection - Maximum
..... 0.500
Coded Red ................... 4.3585-4.3591
listance in inches that the front edge of the
Coded Blue .................. 4.3597-4.3603
earing is installed toward the rear from the front
0.003 Oversize ...............
4.3609-4.3615
ice of the cylinder block.
Piston to Cylinder Bore
3ANKSHAFT AND FLYWHEEL
Clearance .................... 0.0022-0.0030
Piston Pin Bore Diameter
........ 1.0402-I .0405
Main Bearing Journal Diameter
... 2.9994-3.0002 Ring Groove Width,
Main Bearing Journal Runout -
Compression Top
.............. 0.080-0.0815
Maximum
............................ 0.002
Compression Bottom ...........
0.080-0.0815
Main Bearing Journal Out-of-Round -
Oil Ring ........................
0.188-0.189
Maximum
........................... 0.0006
*Measured at the piston pin bore centerline at 90" to
Main Bearing Journal Taper -
the pin bore.
Maximum ......................
0.0005 Inch
.
Connecting Rod Journal Diameter 2.4992-2.5000
PISTON PIN
Connecting Rod Journal Out-of-Round -
Piston Pin Diameter - Standard . . 1.0398-1.0403
Maximum
........................... 0.0006
0.001 Oversize ................ 1.0410-1.0413
Connecting Rod Bearing Journal Taper -
Piston Pin Length .................
3.290-3.320
Maximum 0.0006 Per inch
Piston Pin to Piston Clearance
... 0.0002-0.0005
...................
Thrust Bearing Journal Length .......
1.124-1 .I26
Piston Pin to Connecting Rod
Crankshaft Free End Play ..........
0.004-0.008
Bushing Clearance ..... Interference Press Fit
Service Limit
.........................
0.012
PISTON RINGS
UN BEARINGS
Top Compression Ring Width .......
0.077-0.078
Crankshaft Clearance
Bottom Compression Ring Width .... 0.077-0.078
Desired ......................
0.0008-0.0015
Top Compression Ring Side
Allowable
Clearance .................... 0.0025-0.0045
No. 1
0.0008-0.0020
Service Limit .........................
0.006
......................
No. 2, 3, 4, 5 ............... 0.0008-0.0025
Bottom Compression Ring Side
Wall Thickness
Clearance .................... 0.0025-0.0045
Standard
Service Limit .........................
0.006
...................
0.0955-0.0960
1
INNECTING ROD
Oil Ring Side Clearance
.................
Snug
. Top Compression Ring Gap Width ...
0.010-0.020
Piston Pin Bore I.D. Standard
..... 1.0386-I .0393
Bottom Compression Ring Gap
Piston Pin Bore Out-of-Round and Taper . 0.0004
Width ..........................
0.010-0.020
Bearing Bore Diameter ..........
2.6522-2.6530 Oil Ring Gap (Steel Rail) ...........
0.010-0.035
Bearing Bore Out-of-Round and Taper ... 0.0004
NOTE: Ring gap may exceed these specifications
Connecting Rod Length -
when measurement is made in block.
Center to Center ..............
6.6035-6.6065
Twist Total Difference - Maximum
0.024*
oil PUMP
.......
Bend Total Difference - Maximum
....... 0.012*
Relief Valve Spring Tension - (Lbs.
Side Clearance
...... 20.6-22.6 @ 2.490
...................
0.01 O-0.020
@ Specified Length)
Service Limit .........................
0.023
Drive Shaft to Housing Bearing
in bore and crankshaft bearing bore must be
Clearance
.................... 0.0015-0.0030
arallel and in the same vertical plane within the
Relief Valve Clearance
.......... 0.0015-0.0030
oecified total difference at ends of an 8-inch long
Rotor Assembly End Clearance
..... 0.001-0.004
ar measured 4 inches on each side of rod.
Outer Race to Housing Clearance
INNECTING ROD BEARINGS
(Radial) ........................
0.001-0.013
Inner to Outer Rotor Tip Clearance
....... 0.012
Bearing to Crankshaft Clearance
Desired ...................... 0.0008-0.0015