Operation CHARM: Car repair manuals for everyone.

General

Displacement (CID) 6.8L (415)
No. Cylinder 10
Bore/Stroke 90.215/105.8 mm
Fire Order 1-6-5-10-2-7-3-8-4-9
Oil Pressure (200 degrees F) At 650 rpm 18 psi
At 4000 rpm 100 psi
Cylinder Head/Valve Train Combustion Chamber Volume 52.6 - 51.6 cc
Valve Seat Width Intake 2.1-1.9 mm
Exhaust 2.1-1.9 mm
Valve Seat Angle 45.00-44.50 degrees
Valve Seat Runout (T.I.R.) 0.025 mm
Valve Arrangement (Front to Rear) Valve Stem Guide Clearance Intake 0.069-0.020 mm
Exhaust 0.095-0.045 mm
Valve Head Diameter Intake 44.63-44.37 mm
Exhaust 34.12-33.88 mm
Valve Face Runout (Limit) 0.05 mm
Valve Face Angle 45.75-45.25 degrees
Valve Stem Diameter Intake 6.995-6.975 mm
Exhaust 6.970-6.949 mm
Valve Stem Diameter (List Oversizes) Intake N/A
Exhaust N/A
Valve Spring Compression Pressure Intake
N @ Spec. Length
667.3 N @ 28.02 mm
Exhaust
N @ Spec. Length
667.3 N @ 28.02 mm
Valve Spring Free Length Intake 50.2 mm
Exhaust 50.2 mm
Valve Spring Installed Pressure N @ Spec. Length Intake 289.1 @ 40.01 mm
Exhaust 289.1 @ 40.01 mm
Valve Springs Installed Pressure
N @ Spec. Length - Service Limit
Intake 274.6 mm @ 40.01 mm
Exhaust 274.6 mm @ 40.01 mm
Valve Springs - Out of Square Limit Intake 2.5 degrees
Exhaust 2.5 degrees
Valve Guide Inside Diameter 7.044-7.015 mm
Camshaft Lobe Lift Intake 6.58077 mm
Exhaust 6.58551 mm
Lobe Lift - Allowable Lift @ Loss 0
Valve Lift @ Zero Lash Intake 12.00 mm
Exhaust 12.00 mm
Camshaft End Play 0.25-0.188 mm
End Play Service Limit 0.025-0.188 mm
Journal to Bearing Clearance 0.076-0.025 mm
Journal Diameters 26.962-26.936 mm
Journal Inside Diameter (Cap Assembled) 27.012-26.987 mm
Camshaft Runout
Full indicator measurement on all journals when supported on front and rear journals.
0.09 mm
5 Places
Cylinder Bore Diameter Grade 1 90.200-90.210 mm
Grade 2 90.210-90.220 mm
Grade 3 90.220-90.230 mm
Piston Piston Diameter (Grade 2) at Right Angle to Pin Bore 90.180 +/- 0.005 mm
Piston to Bore Clearance (-0.005) to +0.025 mm
Pin Bore Diameter (Piston) 22.008-22.014 mm
Pin Diameter 22.0005-22.30 mm
Clearance (Neg. or Pos.) 0.01395-0.005 mm
Pin Bore Diameter (Rod) 22.012-22.024 mm
Clearance 0.009-0.0235 mm
Ring Groove Width Top 1.503-1.505 mm
Intermediate 1.502-1.504 mm
Oil Control 3.030-3.050 mm
Piston Ring Gap Top 0.13-0.28 mm
Intermediate 0.25-0.40 mm
Oil Control 0.15-0.65 mm
Crankshaft Main Bearing Journal Diameter 67.482-67.504 mm
Maximum Out-of-Round 0.0075 mm
Between Cross Sections
Maximum Taper (Straightness) 0.004 mm
Runout
FIM of center journals when located on front and rear journal
0.05 mm
3 Places
Crankshaft Journal to Main Bearing Clearance 0.048-0.024 mm
Connecting Rod Journal Diameter 53.003-52.983 mm
Maximum Out-of-Round 0.0075 mm
Between Cross Sections
Maximum Taper 0.004 mm
Crankshaft End Play 0.075-0.377 mm
Connecting Rod Big End Journal Inside Diameter with Assembled Liners 53.049-53.027 mm
Rod Bearing to Journal Clearance 0.064-0.026 mm
Pin Bore Diameter (Rod) 22.024-22.012 mm
Balance Shaft System Balance Shaft Journal Diameter 26.962 - 26.936 mm
Clearance - Balance Shaft Journal to Cylinder Head 0.076 - 0.025 mm
Cylinder Head B/S Journal Diameter 27.012 - 26.987 mm
Gear Backlash 0.0076 - 0.1295 mm
Balance Shaft Endplay 0.04 - 0.18 mm
Rod Length (Centerline Bore-to-Bore) 169.1 mm
Alignment Bore-to-Bore Max. Twist +/- 0.05 mm
Bore-to-Bore Max. Bend +/- 0.038 mm
Side Play (As Assembled to Crank) Standard Play 0.410 +/- 0.26 mm
Max Play 0.670 mm