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Old 09-01-2012, 10:07 PM
LEROYDOZOIS LEROYDOZOIS is offline
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vacuum advance for fuel mileage?

my neighbor decided to come over and tell me if i unhook my vac adv that ill get better fuel mileage and wont notice a change in performance. he then also said that he would rebuild the 900 cfm holly that he had on his 496 and that i should buy if from him..............

although i dont believe him in any way i have noticed in a few posts that people dont hook up their vac advance for 1 reason or another so now im curious, is there any advantage to having/not having a vac adv ???
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