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75mm

  1. Tune needed for 70mm TB?

    4.6L Tech
    i was looking at a BBK 70mm for my 97 gt. just a cold air intake on it. how are BBKs compared to Acufab? and will i need a tune for the 70. iv seen people say i do and iv seen some people say i dont.
  2. 70mm vs. 75mm throttle body

    4.6L Tech
    Leaning towards a PP throttle body due to price, any real difference between 70mm and the 75mm throttle body?
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