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Correct Coil replacment |
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jmcl197 
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Joined: February-27-2011 Location: Longwood, FL Status: Offline Points: 9 |
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 Topic: Correct Coil replacmentPosted: July-09-2024 at 3:28pm |
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Hey....got this boat running after sitting for 12 years ....a barn find :) Looking to see what coil replacement (internal or external resistor) I would need? 1979 Ski Nautique....looks mostly original engine/parts. Thanks
 
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11112 |
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Posted: July-09-2024 at 8:03pm |
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My ultra sharp X ray vision tells me that you have an electronic module under the distributor cap, probably a Pertronix.
Well OK, the red and black wires coming from the distributor yo the coil are a giveaway that there's an electronic module tucked under there Also the ballast resistor with the wires hooked to one post to bypass it is a pretty good clue too  Pertronix would tell you that one of their Flamethrower or Flamethrower 2 coils would be good but they also tell you that really any 1.5 ohm coil will work whether it says that it needs an external resistor or not. A couple of numbers that could be cross referenced or used would be Standard FD-471 or BWD E70 Or go to your local parts store and ask for a run of the mill stock replacement coil for a 67 Ford Mustang with a 289 and a 4 speed. Stock engine, electronic conversion........no super duper fancy coil needed |
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jmcl197
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Joined: February-27-2011 Location: Longwood, FL Status: Offline Points: 9 |
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Posted: July-10-2024 at 7:48am |
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Thank you so much........Appreciate the information and the time to respond. Will head out today and grab a new coil.
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11112 |
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Posted: July-10-2024 at 7:50am |
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That would lead to a question like......why do you need a new one?
Like you said, most everything looks original on your barn find
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jmcl197
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Joined: February-27-2011 Location: Longwood, FL Status: Offline Points: 9 |
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Posted: July-10-2024 at 7:59am |
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Had it out for the first time this past weekend......first time on the lake in double digit years. Ran great and about an hour or so in started running a bit rough and would stall. Isolated it to coil being old and maybe breaking down a bit and ran resistance and there were little to no ohms when tested leading me to conclude that it might need a new one..... Been a fun project and will continue to get it in shape cosmetically and mechanically. Appreciate it.
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