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07-16-2012, 05:28 PM
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#7 |
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VIP Member
Join Date: Jun 2006
Posts: 3,422
Likes: 531
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Re: Indexing small block ford plugs?
more than likely the reason for indexing is to avoid contact between the ground wire and the piston thus closing the plug- on any engine--might be some HP value in doing that but probably insurance to avoid the contact----
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