fmu

Discussion in 'Fox 5.0 Mustang Tech' started by airbag, Aug 21, 2006.


  1. airbag

    airbag New Member

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    at what point do i need a fmu? combo is in sig, with the addition of a paxton sn92 8lbs. of boost and 30lb inj.
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  2. BlownFiveLiter

    BlownFiveLiter have car, will race....wait, it doesn't run

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    Preferably never. It's just a band-aid for using injectors that are too small for the combo, by increasing fuel pressure when you're under boost. Step up to somewhere in the neighborhood of 42lb injectors and throw the FMU in the trash.
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