10-04-2020, 08:45 PM | #67 |
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10-05-2020, 01:10 PM | #68 | |
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Aside from that, yeah it does look like you are basically maxing out stock turbo, especially after around 5500 rpm, but IATs are holding well so doesn't seem to be generating a crazy amount of heat. |
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10-05-2020, 02:21 PM | #69 | ||
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I need a turbo bad then I can back off to about e40ish
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10-05-2020, 05:27 PM | #70 | |
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Yea basically the same... I see Phantom ran a 11.82 in his signature (Miland dragway?)...very impressive since he was running at -0.2 atmospheric pressure... falls in line with JerryBMW running 11.98 @ -0.5 pressure... Jerry doesn't run XHP or coilovers... don't know about Phantom... thinning out the E85 does create more power... very very curious on this E47 tune ZM2 keeps talking about... Ref... Miland is 672 elevation JerryBMW is 1128 Also Jerry said his last tune is producing more boost... so it all seems to fall in line... Great to hear Miland is 672 elevation... I had a 92 mustang Lx 5.0 and ran a flat 14.0 there basically stock running 15degree timing... so if I ran at sea level I'd be in the 13's which I was trying sooooo hard to get into back then... lol... Now I'm happy... lol... P.s. How we did timing back then was turn the distributor until we didn't hear any knocking under a hard pull listening with the windows open... lol....pistons where forged back then in the 5.0... hey it worked... I had the fastest non-fbo mustang back then... used a short belt to by-pass smog pump... airbox mod... colder therm ... lol... good times .... Last edited by FastF30; 10-05-2020 at 07:16 PM.. |
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10-05-2020, 08:36 PM | #72 | |
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10-05-2020, 09:08 PM | #73 |
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Agreed... I noticed where I live looking at humidity etc and I'm basically at sea level that the atmospheric pressure increases as humidity decreases (15.0 on a dry 59degree day)... so unless I look up the weather for that day they did it I can only go by the atmospheric pressure in the logs for comparison which is close enough for now... Heres a good article...
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10-05-2020, 09:37 PM | #74 |
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hate to say it but my 11.82 was a really bad run too. there is an 11.7x in it and my da was around 3000ft if I remember right
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10-05-2020, 09:41 PM | #75 |
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Might be weird to hear... but that's GREAT!... lol... I'm hope'in on a perfect day at sea level can get strong 11.5 on this mystery E47 tune... Zm2 did say this new tune would add 40hp+ over a full E85 tune... That would be real close by the numbers to achieve it...
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10-05-2020, 10:14 PM | #76 |
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Here is a great chart for Atmospheric pressure at elevation... looking at Phantom Ap of 14.5 ... chart shows 14.43 rounded to 14.47 to be closer... about to rain in my area is 14.77-80 remember I'm at sea level within 50ft.... so yea it was humid for him...
JerryBMW... AP of 14.29 with chart of 14.16 rounded off to 14.2 to be closer... not as bad humidity but let's call it same... for every 1000ft if all conditions same is +.010secs... so JerryBmw @11.98 -.05 (michigan elevation) =11.93-.1 for E70 tune = 11.83+/- (basically same as Phantom).... so 11.74 on a E47 tune is possible on a DA 3000 day figuring the E47 subtracts 0.10secs which is very possible.... perfect day 11.64+/- in Michigan = 11.59 @ Sea Level.... Yes... WE CAN BE A LEGIT MID 11's CAR ON STOCK TURBO.... ... throw in some XHP and stiff coilovers.. most definitely!!! I'm just using the common denominators in the info to come up with this.. I have no Idea if I'm right.... but sounds real good... lol.... Last edited by FastF30; 10-05-2020 at 10:35 PM.. |
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10-06-2020, 12:19 AM | #77 |
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So I just read a great article on E85 (click here)
So I think this E47 is using the O2sensor reprogrammed which can adjust in a small window resulting in what Zm2 was referring too... So basically if your 50/50 Ball park your good for that window how ever big that window is... Scroll down about 1/4 way to "Why stock engine management systems can't adapt to E85:" if you don't like reading it all... Last edited by FastF30; 10-06-2020 at 12:32 AM.. |
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10-06-2020, 07:31 AM | #78 | |
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My fav part is below, discussing taking the timing too far with E85 and increasing cylinder pressures. Halim is more conservative with timing and ups boost, while Cary takes timing to the edge. “Knock is not proceeded by the rods making a window in the block when running ethanol. The rods will pop out to say hello much earlier than that...” For someone that daily drives in the four seasons and drives their car very hard on track a lot, I know which approach I’m more comfortable with... Last edited by ZM2; 10-06-2020 at 07:36 AM.. |
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10-06-2020, 08:47 PM | #79 |
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10-09-2020, 04:26 PM | #80 |
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New dragy time. uphill.
last milan run on Wednesday was 11.8
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06-13-2021, 03:55 AM | #81 | |
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Hey everyone just wanted to provide some data hopefully we can keep this thread going x) Ive been running full e85, from the pump, on my 2015 335i ewg n55 and so far so good since 2019 on all stock fuel system with MHD stage 2 e85 ots tune. Absolutely no problem, just 5k - 7.5k engine oil replacement intervals as a upgraded maintenance if you will. Running all FBO's, and stock all season tires on the 400m's. Car is solid with the anti-lag tune out now by MHD. Did 8hp45z oil and filter replacement all OEM. Absolutely solid shifts, car totally changed and deserved some fresh 8hp fluid but I feel like I need some tightening up with fresh mounts.. 75k miles is not a little anyway.. Maybe time for racing mounts? Also planning on ethanol sensor and E20 tune. Any mixing i want to make sure im mixing exactly so that sensoe is a must IPO... Some feedback from others would help.as im.sure lots of us are running OTS tunes.. For stage 2 full e85 it runs like a champ but very lightly rough 1 second startups may be due to stock hpfp... Was considering b58tu hpd6 hpfp retrofit as best hpfp upgrade as it is oem and high flow with full connectivity and it is BOSCH.. Any thoughts would appreciate feedback! Cheers |
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06-13-2021, 04:51 AM | #82 | ||
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06-13-2021, 12:08 PM | #83 |
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Im getting around 12 - 13 psi target on the MHD monitor which is not bad for stock system and the full e85 never pulls timing because it never heat soaks, so im always getting full power. I used to run stage 2+ 91 octane and it was considerably more rough on the car, now with the full e85 everything is smooth as butter, besides the rough startups.. in the winter it takes a couple tries to crank since its so cold and e85 burns cooler lol but i figured out holding the start button continues cranking till it fires up
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06-14-2021, 08:55 AM | #84 | |
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06-14-2021, 12:10 PM | #85 | |
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The other good thing that can be said about the full E85 map is that it works the turbo far less hard that the higher boost maps and is arguably a safer/cooler running map. So for example if you wanted to track the car on something higher than stock power levels it might be a good map to choose. It's not about peak HP/boost just a nice alternative to pump gas or mixed maps. |
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06-14-2021, 12:11 PM | #86 | |
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06-14-2021, 12:27 PM | #87 | ||
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06-14-2021, 06:53 PM | #88 | |
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