The Evo completed a full 8 runs at Eau Claire two weekends ago. No issues while running at all. I tried to eliminate my misfire by running 3/4 tank of fuel in hopes that it was a fuel starve issue. Nothing seemed to react badly during runs. Although it was a load speed event, so with the permission of the event master, I did some testing at higher speeds. Everything seemed to work well, but traction was still low (sandy site).
Here's some video from one of my runs. I also added in some interesting under car video. It's cool to see how the slicks flex, and the suspension working.
I decided to run the same amount of fuel at CenDivs in Milwaukee. The vehicle once again developed a miss/hiccup on course. I tried adding more fuel, but it still did it on every run. It sure made it hard to drive when mid-corner rolling onto the throttle, the car would shutter. Here's some video of Day 1. On this run, I managed to Index 19th of 204 for the day.
On day 2, I ran it up to a full tank just to be sure. The problem seemed the same, if not worse. I didn't managed to get a very good run at all this day. My fastest (only clean run), the brakes faded out on the final corner causing me to shoot outside. I rode the cone all around, amazingly not hitting any of them, and lightly through the finish. On the data-logger, it showed between 2-2.5 seconds lost.
The one thing I am really pleased with, is the unearthly way the car drives on a Nationals Style course! In the sweeper after the first slalom, I am able to roll onto the throttle near after corner entry and carry a ton of speed through the following "stairs". This car, even with the hiccup, is just too fun to drive!
Day 2 "fastest" run
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Here are the results from this weekend:http://www.scca-milwaukee.org/solo/2011/e4/CendivFinalClass.html
After speaking a lot with the tuner, I will be doing some testing at this weekends event. Going to log the ECU as I run, and try to narrow down possibilities. He thinks there may be a chance that the crushed BOV is reacting poorly under mild load/high boost and opening prematurely. Hopefully we'll be able to pin it down this weekend, and then on to Nationals!
-Mike
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