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  1. Focus ST Maintenance
    Boost build up to about 8-10 psi then starts breaking up car bogs down can’t go over 50mph when using boost, Boost between then is fine. mods list Awe track exhaust Megan racing catless DP K&N high airflow filter Ngk 6510 plugs. ( installed today gapped at .026) Turbosmart blow off (installed 2...
  2. Focus ST Discussions
    While maintaining throttle and between -3 and -1 vacuum, the BOV has started to consistently blow off 1 pound for a split second, every second so long as i'm between -3 and -1, roughly. It doesn't do this on higher vacuum, it also doesn't do this while under boost, to my knowledge (leaking). Is...
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