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  1. Mustang fuel system help!

    Mustang 101 - Tech Basics | Ask an Expert
    I'm slowly upgrading my (2011 5.0) stangs internals to get some more get up and go out of her. Currently have new nkg plugs, street racing coils, 47lb injectors (800cc roughly I believe). I have a basic race tune right now and am running 93. I plan to switch to e-85 soon when I buy a bigger fuel...
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