12-18-2019, 01:57 PM | #199 | |
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i wouldn't want to pull the seats either, but if I was that close I might consider it.
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12-18-2019, 02:40 PM | #200 | |
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New vanity plate when it does happen: "9SECM5" - or - "BMW720S" - or - "9SDAILY" - or - "FUDEMON" ... I think I like the last the best; it's purposeful! |
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12-18-2019, 06:33 PM | #201 | |
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12-18-2019, 08:22 PM | #202 | |
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60-130 6.5s X4M
60-130 5.04s G80 M3 Stock Turbo 60-130 4.82s | 9.4@148mph 1/4 Hybrids IG: @bmwF9XG80 |
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12-18-2019, 09:07 PM | #203 | ||
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The principle still holds so what's the usable mechanically-happy minimum in the tank? |
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12-18-2019, 10:34 PM | #204 |
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What was your 60-130 run here and 0-60 ? That's crazy strong
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12-18-2019, 11:40 PM | #205 |
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You should try running E20-E30. I swear it helps. C85 is supposed to generate more power than anything. Maybe add a few gallons of that to your tank to get that last .06 off the 1/4 mile. I'm doing meth injection (BMS kit) on Friday, hopefully will post some numbers this weekend. Was at a 10.2 on map 2, I'll go to map 7 if I have to. I want 9's!
Here's an article on C85 vs E85 vs race gas vs meth. In short, C85 > all. Someone needs to work on an E85 conversion for the F90s. https://www.enginelabs.com/engine-te...inner-crowned/
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12-19-2019, 12:24 AM | #206 |
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My 0-60 on that run was not my best but pretty good at 2.57
My 60-130 was 6.27 which is frustrating. I have been in the low 6's and high 5's in the past. I just can't seem to get them all together in one run. I had a 5.91 and 6.17 last night as well on previous attempts but didn't get good launches. lol
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DME: 1848 DA 0-60 2.42 -- 1/8 Mile 6.38 -- 1/4 Mile 9.89 -- 60-130 5.91
Evolve: 1418 DA 0-60 2.48 -- 1/8 Mile 6.47 -- 1/4 Mile 10.05 -- 60-130 6.48 JB4: 1096 DA 0-60 2.54 -- 1/8 Mile 6.50 -- 1/4 Mile 10.05 -- 60-130 6.18 IG: @hockeytyme All runs on street with no prep on 21 inch wheels and PS4S tires |
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12-19-2019, 12:32 AM | #207 | |
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My old sand rail ran on 110 octane and Evo track car was full E85 conversion and I have used MS109 as well in some applications. Also, the shell station locally has VP101 which isn't as good as the MS109. I'm not real familiar with the C85? Is that another version of corn oil? I have heard of E20 and E30 but without researching I'm embarrassed to say I don't know anything about them. I'm starting to feel old. lmao When, I'm going out on MS109 to try and get a low 1/4mi run I'm only starting with 5gallons for weight reasons and I stop around 2gallons. So, I don't have a lot of mixing room in there.
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DME: 1848 DA 0-60 2.42 -- 1/8 Mile 6.38 -- 1/4 Mile 9.89 -- 60-130 5.91
Evolve: 1418 DA 0-60 2.48 -- 1/8 Mile 6.47 -- 1/4 Mile 10.05 -- 60-130 6.48 JB4: 1096 DA 0-60 2.54 -- 1/8 Mile 6.50 -- 1/4 Mile 10.05 -- 60-130 6.18 IG: @hockeytyme All runs on street with no prep on 21 inch wheels and PS4S tires |
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12-19-2019, 08:49 AM | #208 | |
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i ran C85 when it first came out almost 10 years ago and i didn't like it, most guys I know that run ethanol for race fuel either use Ignite Red or Fuse E85R . When people say E20 and E30 that just means adding a few gallons of E85 to your tank now to bring the total content of ethanol to E30 (30%)... if you want to try that route get a 5 gallon jug of Ignite Red and mix that in with pump gas. or you can try to mix in some VP Octanium, i have seen good results with that too.
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12-19-2019, 09:07 AM | #209 | |
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i use 2 bugatti veyron brushless pumps in my 997 for E85 and if the fuel level is below a certain point they will actually suck their big basket dry
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12-19-2019, 09:42 AM | #210 | |
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Here's a link that can help you find a gas station with it: https://afdc.energy.gov/fuels/ethano...arest?fuel=E85 To make E30 you just add 1 gallon of E85 to every 3 gallons of pump/race gas. It doesn't have to be exact. I've definitely noticed a difference from running it though! |
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12-20-2019, 08:39 AM | #211 | |
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I would just mix in regular E85 or VP X85, or any of the Ignite or Fuse fuels.
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01-05-2020, 07:36 PM | #212 |
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My track had its first test n tune in a few weeks. We also had our first cool day of the season (mid 50s)....so...most packed I've ever seen it. Got one run in, over the course of 3 hours. Track prep at osw is always on point, always. Today, with the number of cars running, they were not able to re-prep as they normally do, after a number of cars run. Awful conditions, but I'll post up my slip anyways.
Running e30 blend of 93 and e85, with 4 gallons of 100 octane mixed in. JB4 map 7 on top of ecu flash. Car spun, gripped, went limp (and called bmw since it thought it got into a wreck), and then I gassed it again. These cars are such monsters....can run a 10.7 with such an awful first half of the track. Lost about .5 seconds on the front half...I assume. Will try again of course in the next few weeks. |
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01-05-2020, 10:53 PM | #213 | |
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But most importantly C85 also contains MTBE, which causes certain injector parts to swell up and reduce their flow. Some injectors can run MTBE fuels with no issues, others cannot. If your injector is not compatible MTBE will have a shrinking effect on it. Last edited by Bmwusabmw; 01-05-2020 at 11:02 PM.. |
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01-06-2020, 11:02 AM | #214 | |
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DME: 1848 DA 0-60 2.42 -- 1/8 Mile 6.38 -- 1/4 Mile 9.89 -- 60-130 5.91
Evolve: 1418 DA 0-60 2.48 -- 1/8 Mile 6.47 -- 1/4 Mile 10.05 -- 60-130 6.48 JB4: 1096 DA 0-60 2.54 -- 1/8 Mile 6.50 -- 1/4 Mile 10.05 -- 60-130 6.18 IG: @hockeytyme All runs on street with no prep on 21 inch wheels and PS4S tires |
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01-06-2020, 02:21 PM | #215 | ||
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The 60ft isn't too bad, but def not great (1.5x is doable at track). It's what happened after it....7.1 for the 1/8 mile is not good (or typical). |
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01-06-2020, 04:11 PM | #216 | |
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Do you happen to know your 0-60mph (via a Dragy or the like)? Taking a leap here but have you considered flashing back to stock and running the JB4 by itself? |
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01-06-2020, 04:20 PM | #217 | ||
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Nah, I'm happy with the setup for now. I run map 2 as a daily, and use map 7 for high boost. Just posting all my results for the community, not just the glory runs. Car is running like a beast. Need more seat time at the track. Its def more difficult to get a clean run there...in my humble and amateur level experience. |
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01-06-2020, 04:46 PM | #218 | |
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I think you and I have discussed some of my experiences but here's a bit more detail to fuel the reasoning behind my comments/questions: I've used maps 1, 2 and 6 where 6 is my daily with customized boost per RPM settings. I add 6 oz of Boostane Pro to each ~20 gallon tank of 92 octane which yields ~96. With that setup, I run between 10.3s and 10.55s at mid 130s (sometimes on barely suitable albeit isolated roads). With race fuel (which I've not yet tried in this car), I'd crank map 6 to +6.5 and feel it out from there. I'd expect to gain another 0.05 or better getting into the 10.2s. It's this that made me wonder what your car would do with the JB alone. Obviously, I'm implicitly citing the ECU tune as the primary delta but, of course, DA and other variables could also be skewing things. |
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01-06-2020, 04:56 PM | #219 | ||
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So many variables for sure. Ecu flash could very well be holding things back a tad too. Gonna do some track tuning, hopefully in Feb. We'll see. Fueling absolutely makes a difference. I run every tank of gas now using 15 gallons of 93 octane and 5 gallons of e85. Car and logs show the car loves it. Ran some ms109 the other day, and the car hated it (could feel it pull power), but the pails of ms109 may have been bad. I used those pails two different times, and both times the car was sucking wind. |
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01-06-2020, 05:54 PM | #220 | |
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