The pintle is regarded as the better injector re atomization.The pressure is 'adjusted' by the manifold vac re regulator.The high number is the max rated op pressure,above that they will 'dribble' in the closed position.Have to watch oversize injectors,a large injector with a normal/low pressure will give very poor spray pattern and atomiziation.Have to maintain the pattern and 'mix' with the incoming air or the benifits of larger injectors in an upgrade are lost.I think they were 'peak & hold'.regards TH
V6 MTX
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Dealer for 'Quaife America' & 'Autotech Sport Tuning'
SOLE USA Dealer for the American Axle 'AUSSIE BAR'...
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