No point in opening them sooner, if you do it = loss of intake velocity+ loss of good fuel mixing = loss of power.The velocity of the incoming air is missed,its reason is to improve fuel mix & cylinder fill at lower engine speeds........

V6 MTX
'Don't p**s up my back then tell me it's raining!!!"
'Its only nuts & bolts!'
'If I build it,fix it,upgrade it or modify it...MAYBE they will come....!
Haines Motor Sports Inc,
Dealer for 'Quaife America' & 'Autotech Sport Tuning'
SOLE USA Dealer for the American Axle 'AUSSIE BAR'...
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