Thread: 496 fouling plugs

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Originally Posted by jerry clayton

is your pump gas there 93? or 91?


If you want to run fuel injected you will need to go to a set of injectors that are much smaller and/or run a recalibration on mass airflow---------


the MAP settings/readings ? will be very likely wayyyyyyyyyyy out of sorts at your altotute

I think the thin air approach may well be part of the answer, but MAP is Manifold Absolute Pressure, which accounts for altitude vs Gauge Pressure. That's one of the benefits of EFI over a carb - they change as you climb the mountain to account for the low barometric pressure.