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timmy2 timmy2 is online now
ROW '78 911 Targa
 
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Join Date: Jul 2011
Location: Salem, OR
Posts: 10,217
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More likely the wire failure is occurring in the factory green wire, if that is even the cause of your misfire.
Is it brown and cracking at the distributor?

What rotor are you running? Resistorless is recommended for an MSD install.

3000 rpm seems to be a common point for failures in the advance mechanisms on the SC's.
Have you checked the distributor mechanical advance mechanism for lubrication and free movement and the shaft for any axial or radial play?
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Dennis
Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C
Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds.
Old 07-23-2017, 10:56 PM
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