Piston/Pin/Ring Specifications

1987 Ford Cutaway 6.9 1SECTION Piston/Pin/Ring Specifications
PISTONS, PINS & RINGS SPECIFICATIONS

Application In. (mm)
Piston Clearance .0055-.0075 (.140-.165)
Pins
Piston Fit .0003-.0007 (.008-.018)
Rod Fit .0004-.0008 (.010-.023)
Rings
Ring No. 1
End Gap .014-.024 (.36-.61)
Side Clearance .002-.004 (.05-.10)
Ring No. 2
End Gap .060-.070 (1.52-1.78)
Side Clearance .001-.003 (.03-.08)
Ring No. 3
End Gap .010-.024 (.25-.61)
Side Clearance .002-.004 (.05-.10)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.