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Old 02-07-2018, 11:39 PM   #19
Dirty Rick
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Join Date: Apr 2013
Location: Cornholio, OR

I want to disagree that different turbos will have different fueling needs at the same pressure.


The motor is the flow restrictor, and 15psi is 15psi no matter what turbo is pushing it.
How and when it gets there will change as the outputs of the turbo are different.
Naturally the larger turbo is capable of pumping more air.
The only way I see a larger turbo having different fueling requirements at a set boost pressure is if the air flow is changed by a less restrictive exhaust side.

You would have to raise the motors volumetric efficiency in order to burn more fuel (make more power).
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