64-67 Distributor Vacuum Advance - Hi Performance
Item #:
272033
$46.35
In Stock - - Ships today if ordered by 3PM ET
The vacuum advance control unit on the distributor is intended to advance the ignition timing above and beyond the limits of the mechanical advance under light to medium throttle settings. When the load on the engineis light or moderate, the timing can be advanced to improve fuel ecomomy and throttle response. Once the engine load increases, this "over-advance" condition must be eliminated to produce peak power and to eliminatethe possibility of detonation ("engine knock").
Stamped B28
Stamped B28
| Model Year | 1964, 1965, 1966, 1967 |
|---|---|
| Base Unit of Measure | EA |
| Search Description | C2 CORVETTE DISTRIBUTORS ADVANCES 272031 |
| Net Weight | 0.300000 |
| GM Item No. | 1973469 |
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