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Message: [QUOTE="sootboy, post: 721195, member: 11316"] Yes the shifting is to prevent excessive lag, and if you already do it than the spartan will be fine. The customer had the fitting for the ect2 so the cel was not for that. You are not going to like this answer, but we never checked the code. The customer decided to go with h and s from us and that is actually why I am selling a spartan on .org. I called spartan and they just weren't quite ready for custom tunes. The customer was ready to pick up and roll so we just forgot to check. But as soon as h and s went on the light went out. Maybe it was a vacumn switch or the throttle valve on the factory intake. I am probably going to hang onto the spartan because I think Jeff will have some tunes for a single soon from reading his post's. If I can help with anything else just ask. [/QUOTE]

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