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Check the site. It all depends. You can only make as much power as you have fuel for (hence why you tune with a wideband). If you start going lean you run significant chances of pre-ignition. Remedying this you can switch to a rising rate FPR, bigger fuel pump, or bigger injectors. Having means to control the fuel is what is really important. If you can't adjust fuel either by piggy back, ecu, or another means you have no *real* reason to port the engine.
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