7A Hitachi ISV to Bosch conversion

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  • cgharibo
    S2Forum Enthusiast
    • Aug 2011
    • 165
    • Country: United States

    #1

    7A Hitachi ISV to Bosch conversion

    I have a 1990 and a 1991 coupe quattro with the 7A. The ISV is 2 wire Hitachi in the 1990 and 2 wire Bosch in the 1991.

    Does the Bosch ISV work with the 1990 car that has the Hitachi ISV? Has anyone done this conversion?
  • varia
    S2Forum Maniac
    • Mar 2009
    • 821
    • Current: United States

    #2
    ecu/tune is different.
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