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  1. #51
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    Click here to enlarge Originally Posted by themyst Click here to enlarge
    An 11.3 on street tires? I don't think so.

    Im 180 lbs so an average weight. Doubt it would affect much.
    You don't daily drive Nitto 555Rs? Why not? Click here to enlarge I'd be happy with 180# driver race weight (including helmet). I was 205# last year... Targeting 190# by fall. Click here to enlarge Some drivers come in at 125#....
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  2. #52
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    You don't daily drive Nitto 555Rs? Why not? Click here to enlarge


    I daily drive continental DWS because we have that thing called snow out here. Click here to enlarge

    I also have the stock 18s. They ain't light for sure.

  3. #53
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    I want RB's now who's got a set lol Click here to enlarge
    JB4/FBO/METH/ 12.04@118 6spd MT

  4. #54
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    Click here to enlarge Originally Posted by vereak82 Click here to enlarge
    I want RB's now who's got a set lol Click here to enlarge
    i think i know a guy

    edit- yup, here ya go http://www.rbturbo.com/

  5. #55
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    U goin to bimmerfest?1, Id like a run, 2nd, ill take a look at it for u

    Negative, I won't be there...wastegate rattle is killin me. Sounds like I'm dragging pots and pans down the street. I won't be doing any fun stuff until I have upgraded twins.

  6. #56
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    Click here to enlarge Originally Posted by Blaizon Click here to enlarge
    Negative, I won't be there...wastegate rattle is killin me. Sounds like I'm dragging pots and pans down the street. I won't be doing any fun stuff until I have upgraded twins.
    My understanding is RBs don't cure wastegate rattle. I've never had it so I can't comment though.

  7. #57
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    I'm getting rid of these Miros for some apex arc8s and dding nitto 555rs on the rear. Bout to pull the trigger on a nx kit and will have RBs on by spring.
    10s here I come! I may need someone else to drive the car though lol
    2011 335is DCT, JB4 + MHD BEF, stage 2 LPFP, e50 + 50/50 meth, FBO, MT ET Streets when needed


  8. #58
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    Lol I just hit 19 psi at redline

  9. #59
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    Click here to enlarge Originally Posted by themyst Click here to enlarge
    Lol I just hit 19 psi at redline
    Nice!! If you hit 19psi at redline what were you hitting for max boost!? Also what percentage E85 mix? Good news...dzenno said something about leaning out up top hope you aren't haven't any issues..
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  10. #60
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    Click here to enlarge Originally Posted by rooringhusky Click here to enlarge
    Nice!! If you hit 19psi at redline what were you hitting for max boost!? Also what percentage E85 mix? Good news...dzenno said something about leaning out up top hope you aren't haven't any issues..
    we ran 19psi to redline on themyst's car with a 30% E85 mix and it started to lean out to 13-13.5 (while targeting 11.5) past 6k rpm..this is with the appropriate fuel scalars in place, timing and also more HPFP pressure than stock...only so much fun E85 will provide on higher power levels and stock fuel system hardware it seems...for max power 20-25% might be max you'll be able to mix without involving meth but at this point not sure yet...this is with RBs on his car
    Click here to enlarge

  11. #61
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    we ran 19psi to redline on themyst's car with a 30% E85 mix and it started to lean out to 13-13.5 (while targeting 11.5) past 6k rpm..this is with the appropriate fuel scalars in place, timing and also more HPFP pressure than stock...only so much fun E85 will provide on higher power levels and stock fuel system hardware it seems...for max power 20-25% might be max you'll be able to mix without involving meth but at this point not sure yet...this is with RBs on his car
    So that was 19psi to redline without meth? If so that's AWESOME! When the hell is someone gonna come out with a better HPFP and some injectors? 100% e85 baby!!!!
    2011 335is DCT, JB4 + MHD BEF, stage 2 LPFP, e50 + 50/50 meth, FBO, MT ET Streets when needed


  12. #62
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    Click here to enlarge Originally Posted by themyst Click here to enlarge
    My understanding is RBs don't cure wastegate rattle. I've never had it so I can't comment though.
    Normally RBs shouldn't have wastegate rattle issues because of the upgraded billet wastegates. Was a major buying point for me, as my stockers have started to rattle (again, after dealer replaced them 40.000kms ago).

    Great to hear your car is running so strong.
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  13. #63
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    Click here to enlarge Originally Posted by themyst Click here to enlarge
    My understanding is RBs don't cure wastegate rattle. I've never had it so I can't comment though.
    Right...it may come up with the RB's, but it doesn't make sense for me to buy used oem or new oem when I can upgrade.

  14. #64
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    I may have to take seats out just to get down to the weight you guys race at. Im 285 and would be a stick figure if i dropped down to even 230. Im with @bigdnno98 a driver may be necessary for me as well.

  15. #65
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    Click here to enlarge Originally Posted by Autobahn335i Click here to enlarge
    Normally RBs shouldn't have wastegate rattle issues because of the upgraded billet wastegates. Was a major buying point for me, as my stockers have started to rattle (again, after dealer replaced them 40.000kms ago).

    Great to hear your car is running so strong.
    It's not running strong, not yet. Click here to enlarge Many many bugs to iron out. It just so happened that map I was testing was overboosting like a mother. For example, my latest tester map hit 20 psi at 6100 RPM.

    Click here to enlarge Originally Posted by Blaizon Click here to enlarge
    Right...it may come up with the RB's, but it doesn't make sense for me to buy used oem or new oem when I can upgrade.
    They got TD03 rebuild kits for dirt cheap if you wanted to go that route. But yeah, if you're looking for the power gains, RBs are a fun choice Click here to enlarge

    PS: on pump gas only, even RBs are octane limited it seems. I could only get in the 410-415 whp range on VD without massive timing dropouts or insane boost. E85 wakes it the $#@! up though!

  16. #66
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    we ran 19psi to redline on themyst's car with a 30% E85 mix and it started to lean out to 13-13.5 (while targeting 11.5) past 6k rpm..this is with the appropriate fuel scalars in place, timing and also more HPFP pressure than stock...only so much fun E85 will provide on higher power levels and stock fuel system hardware it seems...for max power 20-25% might be max you'll be able to mix without involving meth but at this point not sure yet...this is with RBs on his car
    That's a lot of boost! Still troubleshooting our E85 only tuning but we're back to the low fuel pressure pump as suspect. At least on our 135i. Perhaps just too much abuse over the years or a clogged filter.
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  17. #67
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    0 out of 2 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    we ran 19psi to redline on themyst's car with a 30% E85 mix and it started to lean out to 13-13.5 (while targeting 11.5) past 6k rpm..this is with the appropriate fuel scalars in place, timing and also more HPFP pressure than stock...only so much fun E85 will provide on higher power levels and stock fuel system hardware it seems...for max power 20-25% might be max you'll be able to mix without involving meth but at this point not sure yet...this is with RBs on his car
    You may want to reconfirm. I doubt the hardware was running out of fuel if you could peg redline. Likely its the inability of the DME to calculate proper fuel mass at 19psi upped turbos... I bet you add IPW (ie. 1M 3D mapping) you have a new fuel ceiling in this situation. That's pretty dangerous if you were truly hitting 19psi at redline... cringe, but way to go on the aggression!

  18. #68
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    LOL @JoshBoody , how about hitting 24psi down to 22psi on RBs Click here to enlarge you contribute nothing but trolling in the past while seriously...how's that 12psi super aggressive tune of yours treating you? supa powa!

    @themyst 's RB units are completely different from about 5-6 others we've done so far. Every other RB car responds similarly to the PID and WGDC setup we already have for them. His RBs are setup differently and require considerable custom calibration...we have no trouble making or holding high boost and the comment about the wg dump on e90post is just your misunderstanding of how things work in the flash world of boost control

    Why would you doubt it was running out of fuel? Stock turbos can max out E85 too and Terry's shown that on his car at 50/50 mix he's also starting to lean out

    Dude, you've officially become a PTF Troll lol congrats
    Last edited by dzenno@PTF; 08-22-2012 at 09:49 PM.
    Click here to enlarge

  19. #69
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    Was low fuel pressure dropping? @Dfv2 had fueling issues running 100% E85. Someone other than shiv needs to develop an upgraded LPFP.

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    Click here to enlarge Originally Posted by JoshBoody Click here to enlarge
    You may want to reconfirm. I doubt the hardware was running out of fuel if you could peg redline. Likely its the inability of the DME to calculate proper fuel mass at 19psi upped turbos... I bet you add IPW (ie. 1M 3D mapping) you have a new fuel ceiling in this situation. That's pretty dangerous if you were truly hitting 19psi at redline... cringe, but way to go on the aggression!
    lmao, dfv's issue was his LPFP basically telling him to piss off, mine is simply that, I'm leaning out (target 12.3 AFR actual 13.1). I surmise you'd run into the same issue if you had RBs and stopped putting around on stock turbos at 12-14 psi in the AZ heat.

    I find it comical that you have so much commentary for someone who has never pushed the limits of his own car nor have anything to contribute to RB turbo tuning.

    Why is every time fueling comes up you constantly bring up IPW? It's part of the closed loop system and is all tied to the targeted AFR. If it hits the target the car's doing what it should. Dialing in AFR on this platform is among the easiest things to do with its idiot-proof closed loop system.

  21. #71
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    Was low fuel pressure dropping? @Dfv2 had fueling issues running 100% E85. Someone other than shiv needs to develop an upgraded LPFP.
    At the moment we're trying to find a way to tame @themyst's boost control with his out of the ordinary RBs...once we're through with that we'll revisit fueling and see where things sit a bit better...we're doing this bit by bit and e85 is not around the corner for him either, its a bit of a pain to get to given its far from his house
    Click here to enlarge

  22. #72
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    Was low fuel pressure dropping? @Dfv2 had fueling issues running 100% E85. Someone other than shiv needs to develop an upgraded LPFP.
    I seriously doubt my LPFP crapped out because my AFR and trims didn't flatline like @Dfv2. It was just slowly leaning out.

  23. #73
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    At the moment we're trying to find a way to tame @themyst 's boost control with his out of the ordinary RBs...once we're through with that we'll revisit fueling and see where things sit a bit better...we're doing this bit by bit and e85 is not around the corner for him either, its a bit of a pain to get to given its far from his house
    Tank will be reloaded tomorrow Click here to enlarge Send me next rev.

  24. #74
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    I'm sure you saw where shiv said he made 600 on a single turbo car running an E85 mix and no meth. Just curious where our stock fuel system limits are without meth. I'm quite sure that the test mule and shiv both have upgraded LPFP's.

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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    I'm sure you saw where shiv said he made 600 on a single turbo car running an E85 mix and no meth. Just curious where our stock fuel system limits are without meth. I'm quite sure that the test mule and shiv both have upgraded LPFP's.
    He is running a base flash underneath. I don't find it all that far-fetched since the flow is so much greater and more efficient than any current twin setup.

    Might be running a BAP as well to squeeze another half point out but that's nothing we haven't done before. Remember, the leaning out may also be an aberration as my car's boost isn't properly dialed in yet. I'll reserve judgement for when the boost is dialed in. My set of RB turbos don't act like the others unfortunately.

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