BP SPECIFICATIONS

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PISTONS PINS & RINGS SPECIFICATIONS

Application   In. (mm)
Piston Clearance   .0015-.0020 (.039-.052)
Diameter   3.2659-3.2667 (82.954-82.974)
Standard   0.25" (.010) 3.2760-3.2763 (83.211-83.217)
Oversize   0.50" (.020) 3.2859-3.2861 (83.461-83.467)
Pins    
Diameter   .7869-.7871 (19.987-19.993)
Piston Fit   -.0002-.0005 (-.005-.013)
Rings    
No. 1 & No. 2    
End Gap    
Standard   .006-.012 (.15-.30)
Service Limit   .039 (1.0)
Side Clearance    
Standard   .0012-.0026 (.030-.065)
Service Limit   .006 (.15)
No. 3 (Oil)    
End Gap    
Standard   .008-.028 (.20-.71)
Service Limit   .039 (1.0)

CYLINDER BLOCK SPECIFICATIONS

Application In. (mm)    
Cylinder Bore    
Diameter    
Standard   3.2679-3.2682 (83.005-83.012)
Oversize   0.25" (.010 mm) 3.2778-3.2781 (83.256-83.264)
    0.50" (.020 mm) 3.2876-3.2879 (83.505-83.513)
Maximum Taper & Out-Of-Round   .0007 (.019)
Deck Height    
Standard   8.720 (221.5)
Service Limit   8.712 (221.3)
Maximum Deck Warpage   (1) .006 (.15)
    (1) Replace cylinder block if material
removed is more than .008" (.20 mm).

CYLINDER HEAD SPECIFICATIONS

Application   In. (mm)
Cylinder Head Height   5.268-5.276 (133.81-134.01)
Maximum Warpage   .004 (.10)
Valve Seats    
Valve Seat Angle   45°
Seat Width   .031-.055 (.79-1.38)
Valve Guides   .2366-.2374 (6.010-6.030)
Valve Guide I.D    
Valve Guide Installed Height   720-.744 (18.29-18.90)
Valve Stem-To-Guide Oil Clearance    
Intake   .0010-.0024 (.025-.060)
Exhaust   .0012-.0026 (.030-.066)
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