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10-29-2012, 06:08 PM | #331 | |
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On the heels of Zuby's issues, good luck with that. |
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10-30-2012, 07:09 AM | #333 |
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IIRC, ESS has the plugin programmer now, same as the others
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10-30-2012, 08:36 AM | #334 | |
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Now.... be warned, its very easy to lean out the tune/advance the timing and get more power.... lean = heat.... heat = problems...., personally i think its much more difficult to get the all round tune, driveability, power and reliability.... how many ESs VT cars with the stock tune have failed over ALL these years??? afaik... none??? the AFR is 11.3-4ish, yes slightly conservative.... but Still in the meat of the range where we want to be..... Were really pushing alot of components by throwing 7-8Lbs + boost at things... still on stock fuel pumps, FPR.... Headline power is imo NOT the most important goal, its useable SAFE power....... Evolve are fantastic people...... BUT imo.... they shouldnt be tuning other people s/c kits, not only that if you do, ESS will probably not even enter into a conversation with you afterwards if any issues arise/general support issues. Think long and hard about that.....
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10-30-2012, 08:51 AM | #335 |
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^words of wisdom.
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10-30-2012, 09:38 PM | #337 |
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10-30-2012, 10:27 PM | #338 |
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ESS won't do remote/flash tuning for an SC (at least when I talked to them last).
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10-31-2012, 01:55 AM | #339 |
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Yeah I thought they changed that when they went from the DirectFlash model to this one. Dunno
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11-03-2012, 11:23 PM | #340 |
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Dyno Results
Not what I expected but at this point the tune is showing a loss and I have emailed evolve who requested info on the dyno correction factor. AFR seems rich to me and I lost power over the entire curve compare to them OEM tune. I am going back to the dyno next week to test the evolve and OEM tune back to back.
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11-04-2012, 03:45 AM | #341 | |
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11-05-2012, 10:21 PM | #342 |
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Finally got the dyno done post tune:
- Stock 07 z4m ~ 55k miles - Same dyno for both runs - Dyno conditions were hot and humid for the stock run, cool and damp for the post tune run - About 500 miles of adaptation time with no service, oil changes, etc. It's hard to make an apples to apples comparison since the stock tune seemed to be pulling timing/dumping fuel at high rpm but it looks like the tune gains a few rwhp and rwtq across the range. |
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11-06-2012, 08:45 AM | #343 | |
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11-06-2012, 05:31 PM | #344 |
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Yeah. Considering it is making more power everywhere I'm not sure if richer than OEM is a good or bad thing. I've heard that the sniffer usually read a little low so going under 12 a/f at the tailpipe does sound less than optimal. Thoughts? Does anyone know the target AFR that Evolve is trying to hit or what makes the best power on the S54?
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11-06-2012, 05:43 PM | #345 |
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Very interesting seeing these dynos. The shape of the curve of the Z4M is so different compared to the E46 M3, at least based off all your stock and tuned runs.
Would any of you mind emailing me your DRF files for me to take a closer look before I make any conclusions? In regards to AFR targets. I have seen a wide variety, but if I recall, they try to target mid 12s to low 13s.
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11-06-2012, 06:51 PM | #346 | |
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11-06-2012, 07:06 PM | #347 |
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At this point my car is been programmed back to OEM!
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11-06-2012, 09:34 PM | #348 | |
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OEM Tune runs all show over 300WHP and over 240TQ.
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11-06-2012, 11:14 PM | #349 | |
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11-07-2012, 06:07 AM | #350 |
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It would be nice to see more data.
Is there anyone showing positive results ? JM2C but if I had one of these tunes I'd be checking my a/f ratio based on what's been posted so far.
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11-07-2012, 07:34 AM | #351 | |
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The throttle mapping of the Evolve tune gives you the percepetion that it works. However, I find with most car forums people will give something postive reviews if it "Feels Good" or "Sounds Good" and never actually TEST IT. We may never know.........
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11-07-2012, 07:56 AM | #352 | |||
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As you said, I am starting to believe that the tuning for the Z4M could be very well different compared to the E46 M3. If anyone wants to educate me more on Z4M tuning, I am always open to learning more Quote:
Is this shape normal at the top end? Looks very different from my countless dynos on my E46 M3. Quote:
Hopefully you get things situated with Evolve, regardless of the route you take. Goodluck!
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