Standard Ignition VC-187 Distributor Vacuum Advance

Distributor Vacuum Advance for Chrysler and Dodge

Standard Ignition VC-187 is a distributor vacuum advance built for precise ignition timing control in classic Chrysler and Dodge applications. It is calibrated for correct advance response and tested to 30 HG maximum vacuum to help confirm leak-free operation.

Key Features

• Precision-calibrated vacuum advance for distributor timing control
• Vacuum-tested to 30 HG maximum vacuum
• 1 hose connector for direct vacuum line connection
• OE-style replacement for select Chrysler and Dodge vehicles
• Standard Ignition VC-187 for ignition distributor service

Detailed Description

This distributor vacuum advance helps restore proper ignition advance behavior in vehicles that rely on vacuum-controlled timing. Standard Ignition VC-187 is engineered for select 1972-1978 Chrysler and Dodge models, including Dodge Charger, Dodge Monaco, Dodge D100, Dodge D200, Dodge D300, Dodge W100, Dodge W200, Dodge W300, and Chrysler Newport applications. It also serves additional B-series, Ramcharger, Imperial, New Yorker, and Town & Country fitments listed below. This part cross-references Standard Ignition V341 for the same application.

What It Helps Fix

• Erratic ignition timing during acceleration or cruise
• Vacuum advance units that leak under load
• Driveability issues tied to worn distributor advance diaphragms
• Reduced throttle response from incorrect timing advance
• Restoration needs on classic Chrysler and Dodge ignition systems

Installation Notes and Tips

• Verify distributor number and OE reference before ordering.
• Inspect the vacuum hose and distributor canister connection for cracks or looseness.
• Confirm the vacuum source matches the original ignition setup.
• Use the vehicle notes to match OE and distributor numbers exactly, especially on 1972-1978 Dodge Charger, Dodge Monaco, and Dodge D-series trucks.

Quality Assurance

Standard Ignition has supplied the automotive aftermarket since 1919 and maintains quality control from component manufacturing through finished product inspection. VC-187 is vacuum-tested to 30 HG maximum vacuum to help ensure the unit does not leak.