Video from Buttonwillow 12-16-12 with data
 

I've been working on my toon and it's looking good. Based on the Stage 1 OTS v210, v231, stock map, and Buckler's guides.

Boost target 15.5 psi, AFR target 11.4, stock engine, 91 octane gasoline.

I'll keep working on the WOT MAF cal and the KR, but it's so much better than the Stage 1 v231 map I was running at Chuckwalla. Also, adding the JBR mounts and rear sway bar helped a lot.

Kicked some ass out there and had a good time.

Thanks to Mazda for making such an awesome car.
Thanks to JBR for the awesome motor mounts and RSB.
Thanks to Buckler, Abilor, Cobb Tuning, et al for the tooning advice.

Very cool. I really like the data in the video.

Great video! I'm picking up pointers from your instructor lol. I wish I can make it to buttowillow next year.

What do you use to get the gauges in the video like that? That is really cool.

Damn, you had that track dialed in....unit overshooting at 8:05...that was a test to see if we watched the whole thing, right?

Great job, you look really smooth on throttle. This looks like one of those tracks that might be more difficult if you have too much power?

No grass off the track is good, means you won't slide into a barrier 500 feet out in an empty field.

Slow as shit (and so am I) but sure looks like fun. :D

Great run! I will be doing more track this year.

DashWare.net - Telemetry Data Overlay on Your Videos
@Twofer; do you ever notice your Cobb AP log becoming noticeably out of sync with the video?

one of my favorite tracks....Glad you had fun..I do like the gauge setup...what were your lap times?

Yay, since someone saw it, you guys win a prize. Here's my 4th session driving my buddy's S2000. And spin out. As it turns out, our cars are very stable.


@Pu Manchu

Yes, I figured out that it's a round off error in the video framerate to dashware output framerate. My Contour camera records at 29.9700052 frames per second, while dashware works at 29.97 flat. I noticed that it gets about 3 seconds off for every 1056 seconds of video. (Numbers off the top of my head, I'll check it when I get home.) I made a PHP program that adjusts the AP log time field by a correction factor and hey-presto, fixed. I'd be happy to either send you the PHP code, or you can send me your logs and I'll fix em.

Glad to know our cars are stable :D. I see a lot of people spinning out at that corner.

The software, as Pu mentioned, is Dashware. You can take your video and add CSV data files. It takes a bit of doing to equate the fields in the datalog to the internal parameters in Dashware, but it's pretty intuitive and pretty fun to set up the gauges. If there's a demand, I can make a how-to video on it. Also, if you've got GPS data from either your smarty phone or camera, you can generate a map and overlay that too.

Not too bad. Just at matter of feathering the pedal. The only corner that's tricky is the off-ramp, because it's a 2nd gear corner. The solution, as my experienced friend pointed out, was to just leave in it 3rd and lug it a little. (3k rpm.)

http://www.mazdaspeedforums.org/foru...1&d=1356125005

Since power isn't a problem, it means I don't have enough. :D (Gonna have to work on that.)

As for the track, hell yeah it was a blast. I really like Buttonwillow. I'll probably be shooting for another track day Feb/Mar/Apr. We've gotta get some more Mazdaspeed guys out there. Nothin' but Honduhs this time. (Well, it was a honda meat.) There were a couple of Bimmers and the GTR you saw in the video.

Nice run! Looks like a fun track.

I was at Willow Springs the day before this with my speed3.

Nice vid, good data on the bottom, looks like you're tune is solid.

Thanks

Here's the PHP code. If you're more of a spreadsheets kinda guy, just divide your whole TIME field by the correction factor.

1.00265151515151515151515151515152

I got that correction factor by...

1. In dashware, syncing up the beginning of the video, record offset.
2. Syncing up the end of the video, record offset.
3. Difference between offsets = 2.8 seconds.
4. Time between syncs = 1056 seconds.
5. 2.8/1056 + 1
6. CSV Time / 1.00265151515151515151515151515152.

Cool! I wanna check out Willow Springs.

Thanks, yeah the car is running fucking fantastic. I've still got some work to do, but it went so much better than my last time out with the Cobb Stage 1 OTS v231 map. I was getting terrible KR in 4th gear.

There's a couple of things I learned doing this:

1. Disable your SWAS if you're tuning or running. It causes random ass rich conditions.

2. The Cobb Stage 1 v231 OTS map runs too much timing, causing the KR. Might just be my particular car, but it was bad. (Also 100' ambient temps, 140' BATs.) This time out was 50-60' ambient. (100' BAT)

3. The WGDC table is what really controls your boost, not the boost targets table. The boost targets are just what the ECU is going to try to hit using the BEC (Boost Error Compensation) tables.

4. BEC tables add or subtract that amount per tick. Each clock cycle. They add up REALLY fast, and can really screw up your boost level.

5. JBR Motor mounts help a lot. Cleans up the shifts, keeps the engine from hitting the firewall, feels like racecar.

6. JBR rear sway bar on the medium setting (with stock tires) works very well. You can actually rotate the car by letting off the gas.

7. Get to the fuckin' track, these cars eat it up.

I did the big track. It was loads of fun.

Awesome video !!

Very nice run and video! I did that track last year and want to go back in spring.