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Message: [QUOTE="6.4psd916, post: 810860, member: 2653"] I have ran both, and ran both a lot. Gearheads have always been faster, and my truck seems to like them more. Innovative is what I first had and am currently running. I have the older 3.01 tunes and I do like some and not others. I have not ran the extreme x so I cannot comment, but I have always gotten best mileage with the extreme street. But I do have surging issues in all the extreme tunes. They delay lock trans tune is what I run most. I dont like race lock much because the converter is loose with that file. Really it seems to depend on the truck on what tunes run better. [/QUOTE]

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