Re: EFI Systems
If you are talking about Ernie Neal, we upgraded to version 2.05 at Indy. All of our updates are made available at no charge.
The XFI can run a Modular Ford with stock coils, LS coils, or the IGN -1A coils which work very well at high boost levels. As far as an RPM limit, the only thing I am aware of is on the coyote engine, there was an issue with the factory trigger wheel and Ford came out with this "High Rpm" version.
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