Reply to "Atomic EFI vs. FAST EZ-EFI 2.0"

jffrMember

quote:
Originally posted by 4NHOTROD:
I have the XFI 2.0 system on my cleveland. XFI can be used for any motor, as far as I know.
Self tuning? Not my XFI system. Im about 95% tuned. Takes a lot of tweaking by a knowledgable tuner.
I ran mine in the rocky's at altitude. Ran like shit. I found out later that I should've changed a setting in the software that would've checked the altitude/pressure every time I started the car and it would've compensated.
FAST Easy EFI is self tuning, not XFI. Apples and oranges.Night and day difference.
Once you get it tuned its incredible.
Will

I am not sure about the older F.A.S.T XFI 2.0 systems, but my model can self tune. You can also select to not use the self tuning mode. It still needs a good base tune set up to start with, but any good tuner can do that. I have had my Pantera from 9k feet above sea level to about 100 feet below sea level. It runs good and it keeps the fuel air ratio right where I want it to be.

9/5/147:05 AM

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