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Join Date: Sep 2002
Posts: 18
Question 2.7 vacuum advance question

I have a 914-6 with a 1976 2.7 liter 911 engine in it. I am running weber 40 IDAP's. The dizzy is of the vacuum advance type. I have two vacuum ports, 1 ooff the base of the carb on the #1 cylinder and the other of the base of the carb at the #4 cylinder. How should I have the vacuum advance hooked up? to one or with a tee to both? If one only which one? I really appreciate your help.
Thank you

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Old 05-31-2003, 08:51 AM
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it's a retard on a 76, so you don't need it. to set the timing, just use a adjustable advance timing light and set the total advance to 32-35°.

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Old 05-31-2003, 09:01 AM
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