System Specifications

1985 Jeep Cherokee 4WD V6-173 2.8L VIN W 2-bblSECTION System Specifications
<Except Calif><Man. Trans> <Except Calif><Auto Trans>
Rotation C C
Centrifugal Advance Advance Starts 0 at 900 Degrees At RPM (deg @ rpm)0 at 900 Degrees At RPM (deg @ rpm)
Full Advance 10 at 2500 Degrees At RPM (deg @ rpm)12 at 2500 Degrees At RPM (deg @ rpm)
Vacuum Advance Vacuum To Start Plunger 3 Inch Of Mercury (in Hg)3 Inch Of Mercury (in Hg)
Max. Advance 11 at 18 Degrees At Inches Mercury (deg @ in hg)9 at 18 Degrees At Inches Mercury (deg @ in hg)
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:

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