Vacuum Advance - Manifold or Ported

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#30 (permalink)

01-14-2007, 02:54 PM

mr0077

Senior Club Cobra Member

Join Date: Jul 2000

Location: Las Vegas, NV

Cobra Make, Engine: ERA 427 SO

Posts: 1,126

Not Ranked

The higher the vacuum, the more the spring is compressed and more vacuum advance is added...when the vacuum drops, the spring extends and takes out advance.

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Ken

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