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2.8 mammoth

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  1. 2003 - 2004 SVT Mustang Cobra
    I'm currently finishing up the installation of the 2.8 kb lc mammoth and going step by step with the instructions provided by kb. My question is kb recommends that the externally mounted boost bypass diaphragm is supposed to have a vacuum source. I've been told that it should be the opposite...
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