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Thread: spark plug change =large mpg increase

  1. 06-11-2013, 10:00 AM #51
    It's A G8!
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    So what would be the part number for the NGK TR6.
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  2. 06-11-2013, 11:36 AM #52
    768MPH
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    http://ngksparkplugs.com/part_finder...uv/results.asp

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    2014 Mustang GT- 6M/Recaros/trackpack
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  3. 06-11-2013, 05:02 PM #53
    johnbell2
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    I'm 140 hp over stock and use the AC Delco 41-110. They work just fine. I used to run NGK TR6... mistake, my mileage & power are better with the iridium plugs.
    2009.5 MSM/Onyx G8 GT premium/sport/sunroof
    Wrenched and tuned by Reckart Performance Tuning in Cedar Park, TX USA
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  4. 06-25-2013, 04:47 AM #54
    cstmg8
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    So, it seems as though there is a little disagreement on when to go with the TR 6.
    Headers, full two and a half inch exhaust, intake, and 93 tune. Tr5 or tr6?

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  5. 06-25-2013, 06:14 AM #55
    MongosG8
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    Funny I see this old thread come back to life.

    Just last week I noticed some sputtering..hesitation when I left a green light. I thought it was this crappy ethanol gas mix in CT.

    Does anyone think it can be the plugs? My G8 sits a lot..its more of a garage queen than a daily driver.
    2009 White Hot G8 GT w/ Onyx/Red Int. Sport/Premium, No Sunroof, Garage Queen

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  6. 06-25-2013, 11:39 AM #56
    djchubbs
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    So with a CAI and a super chips tune what NGK would be recommended I am at 50k and would prob change them.
    09 g8gt psm superchips, custom flowmaster



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  7. 06-25-2013, 01:41 PM #57
    768MPH
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    Quote Originally Posted by djchubbs View Post
    So with a CAI and a super chips tune what NGK would be recommended I am at 50k and would prob change them.
    NGK TR-5ix or TR-5s

    2014 Mustang GT- 6M/Recaros/trackpack
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