Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1985CONQUEST L4-2555CC 2.6L SOHC TURBOREPAIR AND DIAGNOSISSPECIFICATIONSPRESSURE, VACUUM AND TEMPERATURE SPECIFICATIONSDISTRIBUTOR, IGNITION
1985 Plymouth Conquest L4-2555cc 2.6L SOHC Turbo
Distributor, Ignition
1985 Plymouth Conquest L4-2555cc 2.6L SOHC TurboSECTION Distributor, Ignition
| Part No. | T4T62181 | T4T63371 | T4T63372 | 100291-057 | 100291-063 | 100291-064 | 100291-116 |
| Centrifugal Advance Starts | 0 at 500 Degrees At RPM (deg @ rpm) | 0 at 600 Degrees At RPM (deg @ rpm) | 0 at 600 Degrees At RPM (deg @ rpm) | 0 at 500 Degrees At RPM (deg @ rpm) | 0 at 500 Degrees At RPM (deg @ rpm) | 0 at 500 Degrees At RPM (deg @ rpm) | 0 at 600 Degrees At RPM (deg @ rpm) |
| Intermediate Centrifugal Advance | 6 at 1400 Degrees At RPM (deg @ rpm) | 6.5 at 1150 Degrees At RPM (deg @ rpm) | 6.5 at 1000 Degrees At RPM (deg @ rpm) | 6 at 1400 Degrees At RPM (deg @ rpm) | 6 at 1400 Degrees At RPM (deg @ rpm) | 6 at 1400 Degrees At RPM (deg @ rpm) | 6 at 1400 Degrees At RPM (deg @ rpm) |
| Full Centrifugal Advance | 10 at 3000 Degrees At RPM (deg @ rpm) | 12.5 at 2500 Degrees At RPM (deg @ rpm) | 16.5 at 3000 Degrees At RPM (deg @ rpm) | 10 at 3000 Degrees At RPM (deg @ rpm) | 10 at 3000 Degrees At RPM (deg @ rpm) | 10 at 3000 Degrees At RPM (deg @ rpm) | 10 at 3000 Degrees At RPM (deg @ rpm) |
| Vacuum to Start Plunger | 3.15 Inch Of Mercury (in Hg) | 3.15 Inch Of Mercury (in Hg) | 3.15 Inch Of Mercury (in Hg) | 5.12 Inch Of Mercury (in Hg) | 5.12 Inch Of Mercury (in Hg) | 3.15 Inch Of Mercury (in Hg) | 2.36 Inch Of Mercury (in Hg) |
| Max. Vacuum Advance | 23 at 11.02 Degrees At Inches Mercury (deg @ in hg) | 23 at 11.02 Degrees At Inches Mercury (deg @ in hg) | 23 at 11.02 Degrees At Inches Mercury (deg @ in hg) | 30 at 11.81 Degrees At Inches Mercury (deg @ in hg) | 23 at 11.02 Degrees At Inches Mercury (deg @ in hg) | 20 at 14.17 Degrees At Inches Mercury (deg @ in hg) | 28 at 9.45 Degrees At Inches Mercury (deg @ in hg) |
| Maximum Retard | --- | 7 at 17.7 Degrees At Inches Mercury (deg @ in hg) Note: Distributor Pressure. | 7 at 17.7 Degrees At Inches Mercury (deg @ in hg) Note: Distributor Pressure. | --- | --- | --- | --- |
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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.