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Thread: GTX Loses RPMS

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    Mighty Mouse's Avatar
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    GTX Loses RPMS

    I have a 2005 GTX NA just acquired and it pulls good up to 7200rpms. But after 20 seconds or so, the rpms begin to drop to 6700-6800 which drops gauge speed to 45 or so. I am going to try a plug replacement, but doubt this will fix. Any hints on what's going on? Runs great at all speeds.


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    Site Admin Green Hulk's Avatar
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    You may be surprised, changing your spark plugs will likely solve this issue

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    Mighty Mouse's Avatar
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    Yeah, It's the cheapest fix. I'll give it a go and hope for the best.

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    Mighty Mouse's Avatar
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    Amazing what new plugs will do. All is well.

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