Installation Time
(approx) 30 Minutes
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Distributor Vacuum Advance, ACDelco (78-80 Corvette C3)Find parts that fit my vehicle
Item EK-25-113476-1
Our Price
$59.99 each
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$3.00 Available in EK Cash Rewards.
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Distributor Vacuum Advance Unit
- Advances Ignition Timing Under Light Load
- Improves Fuel Economy
- Enhances Throttle Response
- Eliminates Over Advance Under Heavy Load
- Helps Reduce Engine Knock
- Factory Style Replacement Design
- Durable Metal Construction
- Moderately Difficult Installation
- Fits 1978-1980 Corvette C3
Description
Optimized Ignition Timing. The Distributor Vacuum Advance Unit is designed to improve ignition timing control for enhanced engine efficiency and performance. By advancing ignition timing under light load conditions, this component helps improve fuel economy, throttle response, and overall drivability. It also helps eliminate over advance during heavy load operation to reduce the risk of engine knock.
Construction and Appearance. Manufactured from durable metal construction, this vacuum advance unit is engineered for long-lasting reliability in demanding engine compartment environments. The factory style replacement design ensures proper fitment and seamless compatibility with original distributor assemblies. Its OEM-inspired appearance maintains the authentic look of the engine bay while supporting dependable ignition performance.
Installation. Installation is moderately difficult and may require distributor adjustment and timing calibration for proper operation. No drilling is typically required, though mechanical experience is recommended for accurate installation and tuning.
Application. This Distributor Vacuum Advance Unit fits 1978-1980 Corvette C3.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Distributor Vacuum Advance Unit
Questions & Answers
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