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Originally Posted by knucklesplitter
Did you get tuned at a lower elevation? With AccessPorts your boost will drop as you go higher. I can't explain exactly why, but I saw it all the time when driving between Reno and Sac. or Vegas. Go up Tioga Pass and it will drop even more. You may want multiple maps - one for Reno and one for sea level, if anything to prevent overboost when going back to sea level.
I haven't noticed this with my UTEC, but I really haven't taken the car down low too much.
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Ed tweaked the final map a bit to give slightly higher wastegate duty cycles only at higher elevations. He emailed it to me and I reflashed the ECU this morning with it. Seems pretty good so far, but I'm still seeing a tiny dip from 17 to 16 or 15 on some pulls and I'm not hitting target boost in 1st. I only get about 13-14 most 1st gear pulls. Ed thinks the map may require a little tweaking when he comes up next month, but he wants me to describe what's happening with the boost in better detail. He hasn't given up on tweaking the map a little bit at a time and emailing it to me.
Anybody with a video camera feel like going for a ride tonight?
