Hi does anyone have some ideas for a normally aspirated a14..I already got some twin webers dceo28 with intake manifold but not sure on the correct jet sizing..was thinking on gasflow and skimming the head but my friend has an a15 head that he's selling so i was thinking on buying it and tuning that one,would the a15 head make a difference??and the valve springs,can I keep it standard or should I get other??and cam degree??plz i'm a newbie to tuning motors..any suggestions would be appreciated..aiming for 15sec 1/4 mile

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