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V10 MHD Map Discussion
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01-31-2022, 06:08 PM | #45 |
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02-03-2022, 06:55 PM | #46 |
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Drives: 09 E92 335i 6MT
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This is interesting. On my custom my rail pressure is a little higher at idle but as far as WOT it's the same as any of my OTS maps (lowest drop I've seen is like 1850psi).
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09 E92 335i 6MT / Alpine White / Coral Red / VRSF 7.5" / VRSF DCI / VRSF Catless Downpipes / VTT Charge Pipe / Turbosmart RacePort Gen V / RB OEM Billet Turbos / CD919 Custom Tune / Bilstein PSS9s
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02-03-2022, 11:17 PM | #47 | |
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I'm pretty sure the variation in HPFP fuel pressure at WOT is due to mapping, 2000+psi doesn't necessarily mean it's healthier than 1800+psi HPFP |
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02-18-2022, 04:54 PM | #48 |
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Curious if anyone has done much logging with V10 stage 2+ maps.
Saw some reports on spool street that V10 was requesting a boost target of 18.6 all the way to 6500 rpm. Making the wgdc very high on the top end. I believe previous map versions would always taper before redline.
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02-18-2022, 06:11 PM | #49 | ||
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Does V9 still change the tune based on the content?
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02-19-2022, 01:20 AM | #50 | |
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02-19-2022, 01:25 AM | #51 | ||
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https://*********************/thread...ng.7235/page-2 It's for MHD ots v10 testing on spool street. Some back and a forth in the thread for sure. Ken from wedge, comments on page 3 are pretty interesting.
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02-19-2022, 01:39 AM | #52 | |
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I would expect WGDC to be higher on those. This one for example on 95oct looks fine, https://datazap.me/u/prettyatc/log-1...=0&data=3-4-22 WGDC being high is not necessarily tune fault. On my custom tune which targets about 20psi, my boost tappers to about 16psi up top and peak WGDC is just over 60% Doesn't mean jack since I'm pretty sure my turbos are dying considering the whine at low speeds. |
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02-19-2022, 07:57 AM | #53 | ||
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02-19-2022, 09:11 AM | #54 | |
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Just to be clear CarAbuser is definitely more knowledgeable than me, but I don't believe Ken would load dangerous OTS maps which would wear out turbos prematurely for millions to use. Also we don't know the condition of those cars which Datalog was posted. Stock turbos will eventually fail, regardless of what you do, even OTS stage 2+ maps target nearly 3 x stock boost. |
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02-19-2022, 12:54 PM | #55 | |
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There was also a lot of beta V10 logs online, maybe changes has been made between beta and public release ? https://datazap.me/u/studio54/v10-93...=0&data=3-5-22
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02-19-2022, 02:45 PM | #56 | ||
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Thanks for sharing
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02-19-2022, 03:23 PM | #57 |
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I think more than often parts are failing and people tune them to push it which increases the failure rate and they can point fingers. If your turbos are on the way out their on the way out yes pushing them to higher psi will increase the rate. Since I'm going single I wanted to blow the shit out if my stock twins. 7k kms of really hard abuse on a flame map and nothings really happend. Still no rattle and it's smoking the same amount if did prior. Their is no way these pops are decently safe on the turbos it sounds like someone's shooting a ak everytime she pops plus the bonus of a fireball . I think this map targets 19psi or so definitely faster than ots maps
https://youtube.com/shorts/yXKI50kJdno?feature=share https://youtube.com/shorts/DlksjNwPhXs?feature=share |
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02-19-2022, 03:59 PM | #58 | |
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02-19-2022, 04:06 PM | #59 | ||
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02-19-2022, 04:13 PM | #60 | |
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I just don't recommend to push stock twins like that if you think that they are invincible like you seems to say. But I get what you are saying, my last stock twins also last 1 year on V9 and on various tune that target over 16-7 psi (about that), then failed, and my new pair of stock twins are whining a lot, so I am not reassuring.. Yeah if you plan to change them, it's a good way to destroy them. For everyone else, I recommend to only run V7 since it targets lower target (14-16 psi) while being powerful.
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02-19-2022, 04:17 PM | #61 | ||
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02-19-2022, 05:37 PM | #62 | |
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Have mine blown? Not yet, doesn't mean much as I'm sure they are dying a slow death. |
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02-19-2022, 06:07 PM | #63 | |
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Mine whine too, but when one of my old ones from the last Mitsu OEM set failed, it wasn't whining.... There are people with whining turbos that last 2-3 years, and people with whining turbos that failed fast, really hard to say... When they whine, if you have excessive oil comsuption, and grey smoke.. maybe you can say they will fail soon, personnally, mine whines, but no smoke, no oil comsuption. I checked my front & rear inlet, seems right in place, so weird, I do not know what to think. The only thing to be aware of, if turbos fail (cloud of smoke behind you and no boost), just stop by, and get the car towed, chances are that nothing wrong happen to the engine.
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02-19-2022, 06:15 PM | #64 | |
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Turbo failure depends a lot on how hard you drive as well as how often. If your ripping it everywhere that will accelerate wear. Last edited by Saif2018; 02-20-2022 at 06:23 AM.. |
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02-20-2022, 04:52 AM | #65 | |
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when I first bought the car, it has like 50-55000 miles (90000 kms), it has original turbos, it was still boosting and pushing good (no whine), I just decided to get them replaced (OEM mitsus) because of small wastegate rattle got a new set of mitsu, that lasted exactly one year maybe 4 or 5000 kilometers later, failed randomly during a WOT (I never know exactly why, maybe oil line problem maybe too much boost all the time, it's not my daily, so it's a WOT car basicly) then got another set of mitsu (hmm yes I am stupid, but indy in my place only wanted to install OEM parts) then the last set, I baby it a litte more but it is whining so I am knocking on wood, it's now around 1year&half
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02-20-2022, 06:23 AM | #66 | |
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My next set will be OEM Billets (RB) or RB ones for this reason as well as wastage reliability issues. I hate the whine. |
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