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1991 Testarossa US Spec.

Discussion in 'Boxers/TR/M' started by maghriha, Feb 19, 2020.

  1. maghriha

    maghriha Rookie

    Aug 18, 2006
    11
    Saudi Arabia
    Full Name:
    Hosam maghribi
    Hi
    Can any one help to provide the Vacuum system drawing ? As i have some vacuum hoses missing and i want to connect them properly.
    Thanks
     
  2. Shamile

    Shamile F1 Veteran
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    Dec 31, 2002
    6,427
    Lakeland FL
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    Shamile
    I then if you open the rear engine cover, it shows the vacuum lines and where they go on a label.


    Shamile

    Freeze....Miami Vice!

    Sent from my SM-G950U using Tapatalk
     
    Rifledriver likes this.
  3. Shamile

    Shamile F1 Veteran
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    Dec 31, 2002
    6,427
    Lakeland FL
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    Shamile
  4. Shamile

    Shamile F1 Veteran
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    Dec 31, 2002
    6,427
    Lakeland FL
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    Shamile
    ....forgot to mention, mine is also a 91 US spec.

    Shamile

    Freeze....Miami Vice!

    Sent from my SM-G950U using Tapatalk
     
  5. vincenzo

    vincenzo F1 Rookie

    Nov 2, 2003
    2,672
  6. turbo-joe

    turbo-joe F1 Veteran
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    Apr 6, 2008
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    southwest germany
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    romano schwabel
    the vacuum lines are not all the same for every country
     
  7. vincenzo

    vincenzo F1 Rookie

    Nov 2, 2003
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  8. Veedub00

    Veedub00 F1 Rookie
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    Jun 30, 2006
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    James
    how does the air injection work in the second drawing? It's not forced air like the US models but just sucks from the atmosphere?
     
  9. Steve Magnusson

    Steve Magnusson F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    18,732
    Texas
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    Steve Magnusson
    Yes, that's the air pumpless "pulse" air injection where the exhaust pulse draws in atmospheric air to the exhaust stream -- it was used on the circa 87~88 CH (Swiss) version TR. All US TR have the air pump style air injection system shown in Post #5.
     
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  10. maghriha

    maghriha Rookie

    Aug 18, 2006
    11
    Saudi Arabia
    Full Name:
    Hosam maghribi
    Hi
    Special thanks goes to you Gent's
    By the way, i cancelled the Catalyst system.I removed the whole exhaust US system and installed Koeing mufflers.And also cancelled the air injection with all its accessorizes.
    I found both MAP sensors.not connected with vacuum hoses.That is why i am looking for proper drawing.I Think Shamile send that vacuum sticker that attached to engine hood.
    Will come back to you .
    Thanks
     
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