Alfa Romeo Forums banner

variable valve timing

  1. VVT Mystery

    Spider - 105 & 115 Series (1966-1994)
    I've read all I can find on the BB regarding the VVT (which won't come up in a search using only "VVT"). I get how it works, but am still stumped. Impedance checked the throttle position switch - 18-2 closed at idle and 18-3 closed at full throttle. Put 12V directly to the VVT solenoid, and...