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BMW 3-Series (E90 E92) Forum
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benefits of getting cobb flash with jb4 G5 when mixing e85:91?
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11-20-2012, 04:03 AM | #1 |
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benefits of getting cobb flash with jb4 G5 when mixing e85:91?
Just wondering what are the benefits of getting the cobb flash with jb4 G5 when mixing e85:91 50/50? I see a lot of people run without the cobb flash and do 50/50 e85:91 and have great gains and some people here say you need the cobb flash..
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11-20-2012, 05:46 AM | #2 |
Rainbow Racer
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It's all a guessing game at this point until you actually mix some in and we see logs to assist you.
One particular car can run E60 w/o a flash mix while another one can only run E30, the variance is pretty substantially on these cars.
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11-20-2012, 06:43 AM | #3 |
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Could also be attributed to difference in E85 quality. Some stations actually have E90 while others have E70.
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11-20-2012, 06:46 AM | #4 |
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California 91 crap-gas user here.
50% E85 & 50% 91 OCTANE SHELL/CHEVRON MIX running the Cobb OTS E-30 MAP. Dyno'd a few weeks back made 380WHP & 420WFT/LBs. |
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11-20-2012, 10:23 AM | #5 |
Joint Chiefs of Staff
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If you have a Cobb AP you can load the BMS flash. It features more advance, VANOS tweaks, fueling tweaks, and some other stuff that benefit those running HB4 w/ E85 mixtures of 50% or more.
Mike |
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11-20-2012, 10:27 AM | #6 | |
NeedsMoarBoost
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Quote:
your post has nothing to do with what the OP asked at all
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11-20-2012, 01:08 PM | #7 |
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a bit off topic, but mike, is there any big difference in the G4 to G5 boards for someone who isnt running upped turbos. Just on map 5 with 3 gallons of e85 mixed with 91?
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11-20-2012, 05:25 PM | #8 |
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+1 I'm.curious as well..
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11-20-2012, 06:59 PM | #9 |
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