09-04-2018, 08:11 PM
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#5 (permalink)
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Base Member
Join Date: Mar 2013
Location: DFW Texas
Posts: 149
Drives: '13 370z black 7AT
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Quote:
Originally Posted by SteveBad
Just curious....... Has anyone simply removed and blocked off the intake resonators, just to see what it sounds like ?
I've searched, but can't seem to zero in on an answer.
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I recently removed the bank 2 intake resonator and plugged the connective opening in the stock intake hose. The sound level at full throttle, high rpm was slightly louder and more sharp - a small change. The throttle response suffered a bit immediately after the removal, but returned to normal after the ecm had time to adjust the fuel trims after a few start/run cycles.
I also data logged before and after the resonator removal and found that bank 2 was leaned about 0.2afr at full throttle above 3000 rpm. That turned out to be a good a outcome because bank 2 was always running richer than bank 1.
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Ecutek | DIY HR350 upper plenum | DIY ported lower manifold | TurboXS cbe | FI rhfc
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