Cylinder Block Specifications

1994 GMC C3500 HD 6.5 F, AutomaticSECTION Cylinder Block Specifications
CYLINDER BLOCK SPECIFICATIONS

Application In. (mm)
Cylinder Bore
Diameter 3.9995-4.0025 (101.587-101.664)
Maximum Taper (1) .0005 (.013)
Maximum Out-of-Round (2) .001 (.03)
(1) Specification is for thrust side. Relief side is .001" (.03 mm).
(2) Production specification is given. Maximum service specification is .002" (.05 mm).
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.