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  1. Is the amount of air measured approx. linear to RPM when engine just free-reving.

    Alfa 159, Brera & 946 Spider
    Is the amount of air measured approx. linear to RPM when engine just free-reving. Ex. if 350 at idle, then at constant 1900 RPN, the amount should be 700 & 1400 at 3800. (Offcourse still without any load on engine) It a 2.4 210..But should be pretty same for any engine i´d guess :-)
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