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Dizzy without Vac Advance

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K

karls59tr

Obi Wan
Bronze
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I've seen some brand new Pertonix dizzys that do not have vac advance. Is there any advantage to using this type of dizzy for a fast road car or slightly modified street car such as a TR3A with a mild steet cam and header?
 
J

JerryB

Jedi Warrior
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None for a street car.

You want vac advance to promote drivability, fuel milage and allowing the use of street gas.
 
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