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Jul 20, 2006 | 10:36 AM

DigitalMaxima90

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What is the difference between the still NAC and NAF EPROM ECU upgrades. any1 know.

Jul 20, 2006 | 04:05 PM

mtcookson

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looking at the letters makes me think california and federal emissions, but i'd have to go to their site to be for sure on that. i'll go double check in a minute.

Jul 20, 2006 | 05:55 PM

lanedrifters

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I believe AC is auto cal. and AF is auto fed. But yeah, you clould always call to be sure..

Jul 21, 2006 | 08:14 AM

mtcookson

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Sorry for the delay. Those do indeed stand for auto california and auto federal (emissions).

Jul 21, 2006 | 09:58 PM

DigitalMaxima90

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ok. thanks mtcookson. i will b gettin naf then. since i dont live in cali, but rather tn.

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