TD04 19T Upgrade Discussion
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07-16-2010, 04:11 PM
2013 WRB BRZ
A 19T spools faster. Turbo working at lower rpms equals positive manifold pressure at lower rpms equals more fueling at lower rpms equals more fuel consumption equals MPG loss.
And that's totally based on how far down you press the pedal so...YMMV
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