stillen intakes and fast intentions cbe tune?

wstar

Right. There are timing settings in UpRev, and I guess they do sort of establish a baseline so that every time you reset the ECU (e.g. battery disconnect), you start off at a sane point. But the car seems to learn timing regardless. It will adjust to environmental changes (ambient temp effects, etc) as well as fuel quality in both directions, given a little time. If you know you just made a change to the input conditions that will affect timing (just switched to lower-quality gas than what you've been running, e.g. you burned through a tank of 100 octane at a track and now refilled with normal 93), it's probably best to take it easy on the engine for a little while until it finishes adjusting, though.

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Journal thread / Car setup details