Dunphy X55 ignition question
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Category: General Correct Craft Discussion
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URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=41990
Printed Date: January-11-2025 at 4:57am
Topic: Dunphy X55 ignition question
Posted By: MourningWood
Subject: Dunphy X55 ignition question
Date Posted: September-25-2017 at 8:45pm
Does the Dunphy x-55 w/ Ford 312 Interceptor ignition system use a ballast resistor?
I ask for the following reasons:
1. y boat doesn't have one
2. Prior owner installed Pertronix
3. After @ 20 min of running, sputters to a halt. Floods.
This is symptomatic of a friends '83 Nautique which, after several tries, was finally cured with a new coil.
4. Dunphy has new coil of correct resistance.
Thanks
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Replies:
Posted By: 8122pbrainard
Date Posted: September-25-2017 at 8:53pm
Brian,
Yes, the 312's in the X's all used externally ballasted coils. Did the PO give you the point plate if you when back to a point set?
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/diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete
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Posted By: MourningWood
Date Posted: September-25-2017 at 11:14pm
I'll check through my parts.
I think I looked up on the Pertronix website, and confirmed the correct ohm coil is on the boat.
The Pertronix instructions show the blast is deleted.
My symptoms are very much like an overheating coil.
Next week I'll use an IR gun to check temp.
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