Close

Activity Stream

Filter
Sort By Time Show
Recent Recent Popular Popular Anytime Anytime Last 24 Hours Last 24 Hours Last 7 Days Last 7 Days Last 30 Days Last 30 Days All All Photos Photos Forum Forums Articles Articles
Filter by: Popular Last 24 Hours Clear All
  • RSL's Avatar
    Yesterday, 03:57 PM
    Hoping to get some discussion going on the finer points/peculiarities of tuning scaled (3-column) MAP bins. I'm messing with my first one and while it's proving easier than pushing INA0S over ceiling to get 20psi, it brings to light some things your don't see in an unscaled map. For example... I've been trying to smooth out an MAF "dip", for lack of a better word. That's exactly what it looked like to me at first, but all evidence to the contrary. It mostly bothered me since boost control uses it, the dip was smack in the middle of coming up to target and seemed pretty severe. It even fell as boost/RPM increased, but most often, it would stay static for a few hundred RPM and then began to rise again. You'd expect the slope to change as the scaling started reporting lower data, but it seemed excessive. Boost, boost target, WGDC MAF (g/s) (red): After messing with some things, I decided to change my spool mode RPM. It was set for 3000RPM, which also happens to be break points for all kinds of other stuff, so I wanted to push it out of the way to eliminate it as a factor as I moved forward. I upped it to 3300 RPM and, lo and behold, the spot where MAF dipped moved up with it and the start of the "dip" became even more pronounced. The light bulb finally came on. The usual values passed around for 3-column scaling start it ~10psi, so the scaling starts during my spool (somewhere around 2700-2800 RPM depending when I floor it), BUT logs say that scaled boost doesn't take effect until spool mode ends, no matter where that is. jyamona@motiv martial@mhd, there is either an undiscovered MAP (spool) table somewhere or the scaled logic just isn't active during fuel mode 20. Not exactly a crisis, but noteworthy. So, for the time being, I moved the spool mode below the 10psi area (2600 RPM) and the sizeable deviation at changeover to scaled is gone and/or at least in a less crucial area. The "sag" remains due to the scaling and will change with boost/tuning from here on out, but for now, once its hits ~19psi, MAF (purple) comes up and stays pretty linear after that. Maybe everyone knows this already and I'm way late to the party, but I sure didn't find much of anything on scaled maps, so I wanted to get a bit more in-depth discussion going...or at least have a place to post when I get hung up or come across something interesting with it :D
    5 replies | 227 view(s)
  • The Convert's Avatar
    Yesterday, 12:08 PM
    Anyone running one of the Motiv kits and water cooling their wastegate? I'm planning on doing this when I swap kits over, but want to see pics of how you guys have the plumbing run. I'd like to buy the fittings ahead of time if possible. Post pics if you have them, or if you've just seen a pic of it post that please. Thanks!
    3 replies | 212 view(s)
  • AdminTeam's Avatar
    Yesterday, 02:17 AM
    LAUNCHMODE, we appreciate you taking the time to join.
    1 replies | 289 view(s)
  • rac's Avatar
    Yesterday, 06:21 AM
    rac started a thread dwell table changes anyone? in N54
    has anyone tried? i didn't find much searching around. i'd like to do some trial and error with this. have ordered a new set of coils so i don't stress about burning up the old ones while experimenting. but if someone's already done so please share any findings. thx.
    2 replies | 165 view(s)
  • LAUNCHMODE's Avatar
    Yesterday, 04:22 AM
    Hello everyone. I'm the proud owner of an f15 50i msport with allll the goodies but that's neither here nor there. I got jb+ setup (Maf)and installed. No gains outside comfort and Eco pro having roughly the same output as sport/sport + decided to to give racechip a try since it does tap different sensors. But alas I got the exact same results as the jb+ alone being the madman I am...I left the racechip installed(setting b) and also installed the jb+'s back in at the same time set on 11am. I also changed to the x5m air filters and put two cans of torco in 15 gallons(105+ mix)......and I'll be damned. I got 473hp/579 tq using dashcommand through a Carly gen 2 (I spent an hour setting up all vehicle parameters to make sure I am as accurate as possible on this. But if nothing else it can be a comparison because stock I was showing 405 at the wheels. Also I found data online showing that the 8 speed/xdrive setup shows a 19% loss from flywheel to tire so if that is close to correct and my dashcommand is close to correct that would mean I'm making somewhere around 562/689 at the motor?? 5% error + or _ of course.
    2 replies | 165 view(s)
  • AdminTeam's Avatar
    Yesterday, 04:03 AM
    Welcome MackSlater, take a look around, I think you will like what you see.
    0 replies | 185 view(s)
  • AdminTeam's Avatar
    Yesterday, 11:32 AM
    Hey MartinaKue: :text-welcomewave:
    0 replies | 118 view(s)
  • AdminTeam's Avatar
    Yesterday, 02:12 PM
    Welcome to a real enthusiast forum ErnestinaI.
    0 replies | 109 view(s)
  • sudo4re's Avatar
    Yesterday, 01:40 PM
    I'm curious as to how the Aquamist safeguard works with a N54. When the Aquamist controller detects a fault in the system, does it cut the 5v to the boost solenoids to dump boost or is it the other way around? In other word, is the voltage to the solenoids normally is at 5v and if it sees a 0v signal then the boost solenoids are deactivated and all the boost are dumped. Thanks
    0 replies | 86 view(s)
  • AdminTeam's Avatar
    Yesterday, 08:41 PM
    ZoeToro94, we appreciate you taking the time to join.
    0 replies | 74 view(s)
  • AdminTeam's Avatar
    Yesterday, 08:58 PM
    ClariceDav, we appreciate you taking the time to join.
    0 replies | 73 view(s)
  • AdminTeam's Avatar
    Yesterday, 08:38 PM
    Welcome Prototype007, take a look around, I think you will like what you see.
    0 replies | 73 view(s)
  • AdminTeam's Avatar
    Yesterday, 09:51 PM
    RicardoNea, we appreciate you taking the time to join.
    0 replies | 57 view(s)
  • Jeffman's Avatar
    28 replies | 917 view(s)
  • Ericbh77's Avatar
    Yesterday, 11:18 PM
    I think its for the LS3 chevy motor. Not positive tho but that's irrelevant. Our piston has no bowl because its only designed for 3xx HP and so no need to concern about wall wetting. But if we could correctly implement that bowl into our piston, it should solve any worry about wall wetting.
    79 replies | 2315 view(s)
  • Sticky's Avatar
    Yesterday, 11:06 PM
    2791 replies | 211489 view(s)
  • The Convert's Avatar
    Yesterday, 11:03 PM
    That's a wacky fucking piston! 2 valve DI?
    79 replies | 2315 view(s)
  • The Convert's Avatar
    Yesterday, 10:57 PM
    Yeah, I know which direction to run the lines and from where. The part I'm fuzzy on is which specific fittings to use and still have clearance since it gets pretty down in there. I appreciate the response though! No issues. I don't even have the Motiv kit on the car yet. I know the Motiv/Overrev 135 track car has the wastegate cooled, and I just see it as one of those things that will only help for longevity.
    3 replies | 212 view(s)
  • Nugs's Avatar
    Yesterday, 10:49 PM
    Nugs replied to a thread General: Feeling blue in 3 Series and M3
    Convenient as well. Go after work and run from around 7-11pm.
    16 replies | 610 view(s)
  • ajehoti's Avatar
    Yesterday, 10:35 PM
    ajehoti replied to a thread Motor build in N54
    What is best way to contact you
    16 replies | 814 view(s)
  • rac's Avatar
    Yesterday, 10:14 PM
    rac replied to a thread dwell table changes anyone? in N54
    How much did you try changing it and did you try increasing the plug gap with the increased dwell?
    2 replies | 165 view(s)
  • Sticky's Avatar
    Yesterday, 09:36 PM
    Sticky replied to a thread General: Feeling blue in 3 Series and M3
    Trackday at night, that's cool.
    16 replies | 610 view(s)
  • Nugs's Avatar
    Yesterday, 09:00 PM
    Nugs replied to a thread General: Feeling blue in 3 Series and M3
    And another track video from last week
    16 replies | 610 view(s)
  • idratherbesurfing's Avatar
    Yesterday, 08:55 PM
    Did you have an issue that makes you want to do this?
    3 replies | 212 view(s)
  • aliray335's Avatar
    Yesterday, 08:33 PM
    haha awesome man thanks im getting mmp turbos soon hopefully when they get back in stock so im not worried about stock turbos just dont want to blow the motor and im manual trans already with stage 3+ spec clutch and single mass fw il take a look im going to pm you
    118 replies | 6463 view(s)
  • Jeffman's Avatar
    Yesterday, 08:29 PM
    The power gain is insane...400 HP/520 ft-lb (virtual Dyno in 4th gear...go ahead and download my crazy log posted in this thread). I have no idea how long they would last doing this. The transmission doesn't like it in 4th or 5th gear (slip/error). So I'd like to dial up the boost to just below the transmission crapping out on me. Maybe I should swap the AT for a manual!
    118 replies | 6463 view(s)
  • jt0407's Avatar
    Yesterday, 08:27 PM
    You THINK it's going on lol. Prepare for at least a few full days, at least.
    1062 replies | 63056 view(s)
  • Jeffman's Avatar
    Yesterday, 08:18 PM
    I understand the "I need to lower my load" comment by Jake a few days ago, above. What's really interesting is my current map is based on an unscaled boost map which was reaching loads of about 200 (target 200-205) at max boost of 22 psi (the unscaled boost limit) and my fueling was easily meeting my lambda targets with trims around 20 max: here's the log, which I also just posted above: http://datazap.me/u/jeffman/2016-06-13-v95-spx-e40-e50-jeff-80f-3rd-4th-shift?log=0&data=4-14-22&solo=4 So I figured if my fueling is good at 22 psi then I can go a little higher, right? But with my scaled map all of a sudden the 205 load target makes my turbos go crazy. My loads barely reach 170, I can't reach my fueling targets and trims max out at 34 while boost goes to 25+ psi. That's why I've been adjusting the Boost Limit Mulyiplier factor between 1.90 and 2.0...to at least control this crazy boost shown in this log: http://datazap.me/u/jeffman/2016-06-21-v97-spx-jeff-80-90f-overbpost?log=0&data=3-23&zoom=22-78 This is where I am...just trying to dial in a few more psi while keeping my trims in check and not ending up on the side of the highway with a transmission error on my IDrive screen.
    118 replies | 6463 view(s)
  • aliray335's Avatar
    Yesterday, 08:03 PM
    is there a decent power gain or are the turbos being stretched past their limit
    118 replies | 6463 view(s)
More Activity