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Home >> Ford >> 1998 >> Econoline XLT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine - 7.3L (99F E Series & 99F F450/550) V8 Turbo Diesel - VIN F) >> Engine Specifications >> Pistons, Piston Pins & Piston Rings Specifications

Pistons, Piston Pins & Piston Rings Specifications

WARNING: This page is about a different variant/trim than selected.
PISTONS, PINS & RINGS

Application In. (mm)
Pistons
Diameter 4.1069-4.1076 (104.315-104.333)
Clearance .0045-.0059 (.1143-.1498)
Piston Height Above Cylinder Block .010-.031 (.25-.79)
Pins
Diameter 1.3079-1.3081 (33.220-33.226)
Piston Fit .0003-.0007 (.007-.018)
Rod Fit .0004-.0009 (.010-.023)
Rings
No. 1
End Gap .014-.024 (.36-.61)
Side Clearance (1)
No. 2
End Gap .062-.072 (1.57-1.83)
Side Clearance .002-.004 (.05-.10)
No. 3 (Oil)
End Gap .012-.024 (.30-.61)
(1) For measuring of side clearance, see PISTON RINGS  under CYLINDER BLOCK ASSEMBLY under OVERHAUL.