Have you had the valve covers off? I thought I had a cam in my stang too bu it turned out to just be 1.7 roler rockers. They will rough up you idle just a little and make it sound like you hav a mild cam.
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91 LX: Green/white stripes, TFS heads, intake, cam, and 1.7 rockers. BBK longtubes, off-road h-pipe w/ flowmasters.
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