Engine & Internal Chat about beefing up your engine's insides here.

So at what point...

Old 10-01-2006, 11:07 AM
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Default So at what point...

At what stage of N/A builds will the fuel mileage go down?

From what I can guess, once you move to a larger injector or increase compression you're going to start loosing fuel efficiency, also if you hog out the head a lot. Any thoughts?

On the other hand, I/H/E, mild head porting, or a cam shouldn't effect it from what I can tell... but increasing compression is causing more resisitance to the rotation of the crank, and typically larger injectors don't atomize as well.
Old 10-01-2006, 05:32 PM
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Default RE: So at what point...

To tell the truth on our engines loss in your milage will be slim depending on the tune.
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