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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > First logs jb4+ meth. Your feedback is wanted:)



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      11-03-2011, 06:44 AM   #1
jetblack07
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First logs jb4+ meth. Your feedback is wanted:)

First logs with meth, jb4, dci, dps, 50/50 mix with 35 additive on 93 octane. Feedback wanted.
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Last edited by jetblack07; 11-03-2011 at 12:07 PM..
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      11-03-2011, 06:49 AM   #2
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Trying to upload from phone. Will upload when I get to my computer. Sorry guys. I saved it to my phone but can't figure out how to upload from my phone.
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      11-03-2011, 07:00 AM   #3
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      11-03-2011, 07:18 AM   #4
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      11-03-2011, 07:25 AM   #5
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Lol....i know I know...i suck!
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      11-03-2011, 12:04 PM   #6
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Got the link up....T told me to increase the mix and drop to a 30 additive. I've dialed the additive back to 30 and my meth mix is 50/50 by volume not weight. If I increase to 50/50 by weight should that be enough or should I go 60/40 or 70/30. Is he saying this because my timing should be climbing a bit more or what? Thanks in advance for your input.
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      11-03-2011, 12:06 PM   #7
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Quote:
Originally Posted by jetblack07 View Post
First logs with meth, jb4, dci, dps, 50/50 mix with 35 additive. Feedback wanted.
Up the mix to 70/30 and drop additive to 30 and relog..

Mike
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      11-03-2011, 12:07 PM   #8
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Just saw your post above mine. I guess we wrote at the same time LOL I guess T and I think alike. I would feel better with a higher timing curve.

Mike
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      11-03-2011, 12:39 PM   #9
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Thanks Mike...will do and I'll get a log up probably tomorrow or saturday.
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      11-03-2011, 01:26 PM   #10
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Should I mix by volume or weight?
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      11-03-2011, 01:33 PM   #11
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just do 80/20 by volume and call it a day. no point in 50/50 mixes if u ask me. unless all you have is junk boost juice, run a higher concentration.
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      11-03-2011, 01:33 PM   #12
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Quote:
Originally Posted by jetblack07 View Post
Should I mix by volume or weight?
Weight. Which means you will be closer to 75% volume to achieve 70/30. It doesnt really need to be exact. So shooting for 80 by volume would be fine too.
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      11-04-2011, 11:52 AM   #13
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Here's an updated log. I drained the tank. Mixed it 80/20 by volume and went out and did 3 pulls. I logged the third pull and this is what it looked like. Should I let it adapt for a few days and then post back?
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      11-04-2011, 12:06 PM   #14
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I dunno what they mean but those are some sweet lines
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      11-04-2011, 12:22 PM   #15
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Timing looks better then in your first log. How does the car feel with these settings? Are you running with DTC off (traction control) Just wanted to make sure you have it off when doing pulls and logging.

Mike
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      11-04-2011, 01:18 PM   #16
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Yeah traction control off. Spun part of the way thru 2nd and thec ar feels good. I'm gonna let it adapt for a few days and then log again. True test will be dyno and time slips.

Last edited by jetblack07; 11-04-2011 at 02:27 PM..
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