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Standard Ignition VC-246 Distributor Vacuum Advance
Overview of Standard Ignition Distributor Vacuum Advance VC-246
The Standard Ignition VC-246 distributor vacuum advance is designed to provide precise vacuum control for ignition systems. This component is compatible with a range of Chevrolet and GMC vehicles, including popular models like the Chevrolet C10, Impala, and GMC Jimmy.
- Includes distributor vacuum control for accurate ignition timing
- Equipped with one hose connector for easy installation
- Compatible with Chevrolet and GMC trucks and cars from various model years
- Part number VC-246 ensures correct fitment and performance
Product Details and Specifications
The VC-246 distributor vacuum advance from Standard Ignition is engineered to regulate the vacuum advance mechanism within the distributor. This helps optimize ignition timing based on engine load and speed, improving engine efficiency and performance. The unit features a single hose connector designed to interface with the vehicle’s vacuum system, ensuring reliable operation. It is specifically compatible with Chevrolet and GMC models such as the Bel Air, C10 Suburban, Caprice, El Camino, and K5 Blazer, among others. Using the correct part number VC-246 guarantees proper fit and function in these vehicles.
Applications and Common Issues Addressed
- Restores proper vacuum advance function in Chevrolet C10 and GMC K20 trucks
- Resolves ignition timing inconsistencies in Chevrolet Impala and Caprice models
- Eliminates rough idling caused by faulty vacuum advance in GMC Jimmy and K5 Blazer
- Improves fuel efficiency and engine response in Chevrolet El Camino and GMC G20 vans
- Prevents stalling and hesitation related to distributor vacuum control failure
Installation Notes and Tips
- Ensure the vacuum hose is securely connected to the single hose connector on the unit
- Verify compatibility with your specific Chevrolet or GMC model before installation
- Inspect the distributor and vacuum lines for wear or damage during replacement
- Follow vehicle manufacturer guidelines for distributor vacuum advance replacement procedures
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications for reliable performance. The VC-246 distributor vacuum advance undergoes quality control testing to ensure durability and proper function. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region.
| Brand | Standard Ignition |
| Part Number | VC-246 |
| Contents | Distributor Vacuum Control |
This part fits 53 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1979 | Chevrolet | C10 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | Chevrolet | C20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | Chevrolet | C30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | Chevrolet | P20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | Chevrolet | P30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | C1500 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | C1500 Suburban | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | C2500 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | C3500 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | K3500 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | P1500 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1979 | GMC | P3500 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | C10 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | C20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | C30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | K20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | K5 Blazer | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1978 | Chevrolet | P30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | C10 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | C20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | C30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | K20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | K30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | K5 Blazer | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1977 | Chevrolet | P30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | C10 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | C20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | C20 Suburban | 7.4L | V8 | N/A | Standard; Dist. No. 1112886; Converter |
| 1976 | Chevrolet | C30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | Caprice | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | G20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | G30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | Impala | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | K10 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | K20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | Chevrolet | K5 Blazer | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | GMC | G25 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1976 | GMC | G35 | 7.4L | V8 | N/A | Dist. No. 1112886; Converter |
| 1976 | GMC | Jimmy | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | Chevrolet | Bel Air | 7.4L | V8 | N/A | |
| 1975 | Chevrolet | C10 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | Chevrolet | C20 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | Chevrolet | C20 Suburban | 7.4L | V8 | N/A | Dist. No. 1112886 |
| 1975 | Chevrolet | C30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | Chevrolet | El Camino | 7.4L | V8 | N/A | |
| 1975 | Chevrolet | G30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | Chevrolet | P30 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
| 1975 | GMC | G25 | 7.4L | V8 | N/A | Fitment: OE No. 1112886 - Compatible with Distributor Vacuum Advance |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.