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Bad vacuum advance?

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Old Apr 16, 2016 | 04:57 PM
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rx7inoregon
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Bad vacuum advance?
So.. How much trouble am I in if just one of the 12a distributors vacuum advances fail? It looks like it's the trailing advance, it has two screws holding it with the little timing marks. I need trailing advance, right?
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Old Apr 17, 2016 | 12:35 AM
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rx7inoregon
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Borrowed a good trailing vacuum advance, the car revs more smoothly with both vacuum advances hooked up. Sorry..
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