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  1. Possible Crack in Intake Manifold? 2004 GT

    4.6L Tech
    Recently (500 mi ago?) I had 4.10 gears/bearings/tune installed into my 04 GT. I'm still getting used to the changes and how it drives, which makes me vague to whether or not I actually have a problem. I drive ~40 miles one way to school. 35 of those miles are straight highway and interstate. As...
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