Valve Seat

1982 Buick LeSabre Estate Wagon V8-307 5.0LSECTION Valve Seat
Seat Width Intake .037-.075 Inch (in)
Exhaust .050-.090 Inch (in)
Seat Angle Intake 45 Degrees (deg)
Exhaust 31 Degrees (deg)
Run Out Intake 0.004 Inch (in)
Exhaust 0.002 Inch (in)
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.