1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

tach question.

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Old 06-11-10, 05:31 PM
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Question tach question.

so anyone know what would cause the rpm level to jump around? it only happens between 2.5k-3.5k rpm on light throttle, it just kind of bounces some. it also seems like it's missing a little bit. any ideas? thanks!
Old 06-12-10, 10:19 PM
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anyone?
Old 06-12-10, 10:40 PM
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try swapping coils with the tach wire and see if it changes anything.
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