Ferrari 400i Ignition distributor cap | FerrariChat

Ferrari 400i Ignition distributor cap

Discussion in 'Technical Q&A' started by Piston.Broke, Apr 17, 2021.

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  1. Piston.Broke

    Piston.Broke Karting

    Mar 5, 2009
    Full Name:
    Hi all.
    I am looking at replacing the distributor cap on my 1979 400iA (Single coil). I have read on previous threads that the Jaguar Marelli V12 cap (Dual coil) can be used as a direct replacement. (It has certain price and supply advantages over the original).
    I have 4 questions:
    1. Is the following cap 'Intermotor Distributor Cap 46952' a direct screw in replacement for the original?
    2. Can the original Ferrari Rotor be retained for use with this cap or is a new Rotor required?
    3. Can the dual coil cap be used by simply connecting up the single coil to the central coil tower and leaving the second coil post vacant?
    4. Has anyone else carried out this change of distributor cap and if so were there any problems in doing so?
    Thanks in advance for any advice/assistance.

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