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  1. Spider - 105 & 115 Series (1966-1994)
    My mechanic swapped my 1991 engine with a 1986 engine. Used the 1991 fuel injection system. Running very rich, and it seems to have an issue with the 1991 mass airflow sensor not responding properly. Should I replace it with a mass airflow sensor for a 1986 engine? If so, where's the best vendor...
  2. Carburetors, Fuel Injection & Air Intake
    Hi all... Looking down the throats in a Weber 45 you can see two strangulating items... 1 The Aux Venturi and its winglets and centre lump 2 The Butterfly and its spindle and screws I am think its possible to increase flow if you modifye these items, as well as i belive that its...
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