Weapon X coil on plug

Discussion in '2007 - 2014 Shelby GT500 Tech' started by stevester, Jan 27, 2011.

  1. stevester

    stevester New Member

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    Just wondered if anyone on this site has tried these on their shelby and if they have noticed any pwr gains or mileage increases.I've got the basic bolt-ons on my car;kooks L/t's,c@L cai,2.6 pully and tune.Thanks.
     
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  2. Rick 91GT

    SN Certified Technician Site Sponsor

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    I saw a small gain on a non shelby car with the coils, never seen as high of results as their claims. The stock coils work very well unless you want to blow some money or they are weak.
     
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  3. YELLOW42RCODE

    YELLOW42RCODE Member

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    Save your money.
     
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  4. ct07gt

    ct07gt Member

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    There is nothing wrong with the factory ones, so unless there is something wrong with your stock ones then leave them alone.
     
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