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  • R.G.'s Avatar
    Today, 05:45 AM
    Rule is the first member under 100 rep to answer a question gets 10 rep from me and whatever else anyone wants to throw at you. Question 1 Originally Posted by V8Bait I'll play. For +10 rep, which of the following performance parts causes the turbos to work harder to hold a specific boost target: Intakes, FMIC, downpipes, or chargepipes? Bonus +20 points: Why? Remember guys^^ Performance replacement parts not stock parts Challenge 1: Post a picture of your car on weight scales Question 2: What are the 2 terms commonly used to describe the velocity of air in automotive aero design? Using these terms which would accurately define the speed of air before and after removing your undertray?
    46 replies | 1088 view(s)
  • R.G.'s Avatar
    Today, 05:21 AM
    Ding ding ding! Nice job Traf, nice job Dens, those were the two I was looking for.
    46 replies | 1088 view(s)
  • Drassy's Avatar
    Today, 05:06 AM
    Drassy replied to a thread Large lag after changing gears in N54
    I have INPA so I will try capture a video of what is happening.
    9 replies | 225 view(s)
  • Drassy's Avatar
    Today, 05:03 AM
    Drassy replied to a thread Large lag after changing gears in N54
    Only the transmission adaptations have been reset recently. Transmission fluid was changed about 2 months ago.
    9 replies | 225 view(s)
  • hydra's Avatar
    Today, 04:16 AM
    Shows BMW have really done their homework with the stock manifold design... IMO if an intake manifold is to show any worthwhile gains, it would be in conjunction with bigger cams and a ported head. Many thanks to VTT for their time and effort in doing this testing though :)
    63 replies | 3681 view(s)
  • DavidV's Avatar
    Today, 04:06 AM
    637 replies | 261467 view(s)
  • Traf's Avatar
    Today, 03:49 AM
    Washer bottle maybe ? :p
    46 replies | 1088 view(s)
  • R.G.'s Avatar
    Today, 03:40 AM
    Rule is the first member under 100 rep to answer a question gets 10 rep from me and whatever else anyone wants to throw at you. 2 questions and 1 challenge available: Question 1 With single turbo conversions becoming more common most have had a good look at the engine bays post conversion. What TWO items have been deleted or moved that are NOT typical in single turbo conversions? Question 2 Challenge 1: Post a picture of your car on weight scales
    46 replies | 1088 view(s)
  • R.G.'s Avatar
    Today, 03:35 AM
    Rule is the first member under 100 rep to answer a question gets 10 rep from me and whatever else anyone wants to throw at you. Good catch tho. That is 1 of 2 (sensor is part of that wiring loom) Remember guys, NOT typical deletes / relocation V8Bait will assess and respond.
    46 replies | 1088 view(s)
  • The Convert's Avatar
    Today, 03:31 AM
    The Convert replied to a thread 07 n54 misfires in N54
    If you can't even drive the car, and the plugs, cool packs, and injectors are all proven to be good, I would try a stock flash. If all is still shit, I would do a compression and leak down test and go from there.
    24 replies | 1809 view(s)
  • Den*'s Avatar
    Today, 03:20 AM
    Piece of rubber and wires to one of sensors used in air conditioning line?
    46 replies | 1088 view(s)
  • R.G.'s Avatar
    Today, 02:44 AM
    Good stuff Vargas group. Is anyone really that surprised? I mean them all performing that closely #s wise is pretty wild but as a general testing result, not too shocking. Seems like IM design should be centered around material based on the first set of results. Does anyone know if unobtainium is easy to obtain?
    63 replies | 3681 view(s)
  • Traf's Avatar
    Today, 02:30 AM
    Hummm, i'll give it a try. I'd say: intakes, fmic and downpipes. Intakes: because if too restrictive it causes the turbo to pull harder hence spin faster. Fmic: if too restrictive it causes a drop in pressure also causing the turbo to have to spin faster to achieve same boost. Downpipes: increases the pressure after the turbos so the pressure differential before and after the turbos is reduced, so the wastegates have to compensate for that and make the turbo work harder. I don't see how a chargepipe could make turbos work harder, well maybe if the bov or dv's are leaking.
    46 replies | 1088 view(s)
  • cbrvnm's Avatar
    Today, 12:50 AM
    cbrvnm replied to a thread 07 n54 misfires in N54
    I don't know if these files will help or is what is needed.
    24 replies | 1809 view(s)
  • cbrvnm's Avatar
    Today, 12:20 AM
    cbrvnm replied to a thread 07 n54 misfires in N54
    Yes, I do have the mobile app and I have it set and have always ran map 5 on JB4. I also have BEF for E85. Every time that I check to see what map it is on after misfires/codes, it is always on map 5. What I mean by misfires/turns off, is that every time that I turn on the car, it feels like it is struggling or forcing itself and it begins to smell like a lot of fuel inside the cabin after several minutes. I can't run the car as it struggles (I can press the gas pedal and it feels like it does not have any power and feels like it is going to turn off). New injectors have been checked and none were found to be leaking. If mosfets were already replaced on DME, can something else be wrong with the DME that might not throw a code? My mechanic has told me that it is a problem with bank 1. I tried different BEF from stock to race and they all have the same outcome. I did manage to get log of car just being stationary, so I don't know if that would be of any help. Also, what are the correct items to show on the logged graph?
    24 replies | 1809 view(s)
  • Tony@VargasTurboTech's Avatar
    Today, 12:18 AM
    you guys have to remember I already did this exact testing with the front facing Doc Race, while not near as methodical, it was similar. I believe if we took averages, the results would have been similar. As soon as the Fab Factory manifold arrives we will repeat this exact testing but with forward facing. Also keep in mind the BKC, is center feed as the only similarity to stock, completely different plenum size, very long runners, much larger ports from the plenum to the head. We expected power to at least move right or left, it honestly didn't. The only power curve difference we really noticed was that the EOS lost bottom end tq, and picked up nothing on top in exchange. This was an eye opening experiment, and we will continue with front facing.
    63 replies | 3681 view(s)
  • Weehe's Avatar
    Today, 12:09 AM
    Great data, clearly stock style manifolds are the same or worse than stock. I do wonder if changing tuning would change anything. From the data, I'm guessing no, but would be interesting. Hopefully forward facing actually has results.
    63 replies | 3681 view(s)
  • ihernandez7910's Avatar
    Yesterday, 11:57 PM
    So I am laying my hands on my first set of Mmp stage 3s. They look so impressive. They are beef! Mauricio does amazing work. I can sit here and talk for hours about the good however I want to highlight a few things I noticed and hopefully someone can pitch in with useful insight or experience. some initial impressions. and questions. the wastegate arms are barely open under no vacum and completly close at only 5 inHG. is this normal? I find it wierd since I am used to one wastegate action. Also. the waste gate arm has very little clearance from the compression housing it self. see pics for reference. anyone experience contact? a... any thoughts... ? these things look amazing. don't get me wrong. I Love em.
    0 replies | 80 view(s)
  • AdminTeam's Avatar
    Yesterday, 11:51 PM
    Welcome to a real enthusiast forum Dave64.
    0 replies | 78 view(s)
  • subaru335i's Avatar
    Yesterday, 11:24 PM
    Awesome data! Much props to you for doing this, I would rep but says I have to spread it around. I would have hoped for more sweet gainzz but I am not too surprised that none of these are much different than stock. I am really curious about the forward facing ones! Part of me hopes one of them shows at least some peak gains because they seem to have more changes in the runners/plenum than these center feed ones.
    63 replies | 3681 view(s)
  • bradsm87's Avatar
    Yesterday, 11:16 PM
    Get MHD monitoring module only (for now) and check it.
    9 replies | 225 view(s)
  • Ericbh77's Avatar
    Yesterday, 11:12 PM
    Are the forward facing manifolds next?
    63 replies | 3681 view(s)
  • 7plagues's Avatar
    Yesterday, 11:12 PM
    This is awesome. Great test. Thanks for taking the time to do this and provide results to the community.
    63 replies | 3681 view(s)
  • Terry@BMS's Avatar
    Yesterday, 11:06 PM
    Great info...
    63 replies | 3681 view(s)
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