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  1. anyone want to have a educated guess ?

    Alfa 147, 156 & GT
    Hi All Anyone know or wants to have a guess on what the vacuum is on a Alfa 3.0 v6 plenum when the throttles closed / on idle . :) im ordering some parts which includes bov spring so i need to work out what spring to order (cars not running at the moment) so i cant test it. A rough guess...
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