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  1. #1
    Established Member Three Rings StatusQuo's Avatar
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    Red face The Maestro Community Project

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    Last edited by StatusQuo; 09-26-2017 at 09:03 PM.
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  2. #2
    Veteran Member Four Rings aluthman's Avatar
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    I no longer have access to Maestro, but I will answer any questions I can.
    -Adam

    '07 DTM A4 2.0T|6MT|EFR 7163 Twin Scroll|DoTuning|Built Motor|Meth and other go fast stuff…
    '06 A4 2.0T Quattro - RIP (Best ¼ mile pass 13.634 @ 103.30)

  3. #3
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by aluthman View Post
    I no longer have access to Maestro, but I will answer any questions I can.
    thanks man. Good to see you on the thread!



    ----
    Also if anyone thinks they can do a better job formatting the post to make it more organized and easier to read, DM me.
    Not really good with these forum tools lol
    Last edited by StatusQuo; 09-20-2016 at 02:18 PM.
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  4. #4
    Veteran Member Four Rings seal66's Avatar
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    Good to see people wanting to tune and run e85. Just be care on your maps. It took my turner a bit to get the k04 with s3's on full e85. But it ran great. Now with the proto injectors I can finally go bigger

    Sent from my SM-G920P using Tapatalk
    2008 Audi A4 2.0T
    320awhp/420awtq...E85---UnitedMotorsports Tuned

    2015 A3 8v P-Stock
    2003 A4 Avant 3L-sold

  5. #5
    Senior Member Four Rings Okedokey's Avatar
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    Awesome work bro! Sticky!
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

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  6. #6
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by seal66 View Post
    Good to see people wanting to tune and run e85. Just be care on your maps. It took my turner a bit to get the k04 with s3's on full e85. But it ran great. Now with the proto injectors I can finally go bigger

    Sent from my SM-G920P using Tapatalk
    Hey man. Yeah I'm taking things slow. The K03 is demanding alot of fuel from these Injectors around the boost spike area. It's no problem with 50% but I might have to try some new things when I get to 75%.

    If all fails, I'll lower peak boost when moving on to 100% e85. Dont wanna risk running lean or limp.



    ----------------

    I'm now working on Version 0.02 of the 50% file. The goal on this one is to balance out fueling per RPM and Injector Pulse using Injection correction. Should make for smoother Lambda readings during city driving.



    .

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    Last edited by StatusQuo; 09-21-2016 at 02:17 AM.
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  7. #7
    Senior Member Four Rings Okedokey's Avatar
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    I have so much to learn :(
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread

  8. #8
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by Okedokey View Post
    I have so much to learn :(
    Me too. Me too. Lol.


    Anything I've said yet that needs more explaining? You can go ahead and ask.

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  9. #9
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by aluthman View Post
    I no longer have access to Maestro, but I will answer any questions I can.
    Hey man. Did you ever mess with rail pressure? Anything you know about it? I've noticed some weird things.


    It seems that rail pressure must be built. Or else this can become a problem when the throttle is smashed from low rpm. Starves some fuel when boost spikes and rail pressure hasn't had time to built But when pressure is already built up, there isn't an issue.


    You think commanding higher rail pressure at low RPMs is a good idea?

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  10. #10
    Veteran Member Four Rings p0isin's Avatar
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    My fuel rail pressure map builds hpfp pressure earlier than stock map in both rpm and throttle position. Makes it easier to hit target rail pressure when I go WOT.

    Edit: current rail pressure target is 130 bar, I have a 145 bar prv
    Last edited by p0isin; 09-21-2016 at 12:44 PM.

  11. #11
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by p0isin View Post
    My fuel rail pressure map builds hpfp pressure earlier than stock map in both rpm and throttle position. Makes it easier to hit target rail pressure when I go WOT.

    Edit: current rail pressure target is 130 bar, I have a 145 bar prv
    Thanks. I'm trying this. +2 to all cells and capped to 13 MPa.


    I've been reading that the stick PRV is 126. But the stock stage 2 file has max set to 130. Is there is a way to tell I'm cracking the PRV? Wonder why eurodyne has set it like that.



    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  12. #12
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Thanks. I'm trying this. +2 to all cells and capped to 13 MPa.


    I've been reading that the stick PRV is 126. But the stock stage 2 file has max set to 130. Is there is a way to tell I'm cracking the PRV? Wonder why eurodyne has set it like that.



    Sent from my Nexus 6P using Tapatalk
    You can see it crack if you log with vagcom


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  13. #13
    Veteran Member Four Rings p0isin's Avatar
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    ^^^ yup, you'll see a quick drop off of pressure. I'd keep the max rail pressure at least 5-10 bar below the prv

  14. #14
    Veteran Member Four Rings aluthman's Avatar
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    I have a 145 bar prv for sale...
    -Adam

    '07 DTM A4 2.0T|6MT|EFR 7163 Twin Scroll|DoTuning|Built Motor|Meth and other go fast stuff…
    '06 A4 2.0T Quattro - RIP (Best ¼ mile pass 13.634 @ 103.30)

  15. #15
    Veteran Member Four Rings derrek's Avatar
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    The Maestro Community E85 Project

    Quote Originally Posted by p0isin View Post
    ^^^ yup, you'll see a quick drop off of pressure. I'd keep the max rail pressure at least 5-10 bar below the prv
    This^

    Quote Originally Posted by aluthman View Post
    I have a 145 bar prv for sale...
    x2


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  16. #16
    Established Member Three Rings StatusQuo's Avatar
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    Yeah. I logged block 230 using the Maestro Logger (have VCDS, but I just got out of class and just had the tuning cable with me)

    But anyways, can confirm that I'm cracking exactly at 126bar using the stock PRV.

    Requested is 130 and I peak at 126.




    I'd love to be 10bar below PRV but I don't think there would be enough flow for higher e85 content. I'm currently trying to find the max capabilities if the fueling. So for now I'll leave it the default 13 bar max.


    I think before I move on to higher PRV, I'll polish the 50% file. Just gotta fix idle (too rich). I'll upload that file soon.


    Just in case 100% e85 doesn't work out, there would be a good 50% file to look at. I'll post logs too so y'all can look at it.

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  17. #17
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Yeah. I logged block 230 using the Maestro Logger (have VCDS, but I just got out of class and just had the tuning cable with me)

    But anyways, can confirm that I'm cracking exactly at 126bar using the stock PRV.

    Requested is 130 and I peak at 126.




    I'd love to be 10bar below PRV but I don't think there would be enough flow for higher e85 content. I'm currently trying to find the max capabilities if the fueling. So for now I'll leave it the default 13 bar max.


    I think before I move on to higher PRV, I'll polish the 50% file. Just gotta fix idle (too rich). I'll upload that file soon.


    Just in case 100% e85 doesn't work out, there would be a good 50% file to look at. I'll post logs too so y'all can look at it.

    Sent from my Nexus 6P using Tapatalk
    Just to give you some insight I was running the 155bar valve, s3 injectors, ttrs lpfp, rs4 lpfp controller, and 100% e85 but my fueling was still maxed out.


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  18. #18
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by derrek View Post
    Just to give you some insight I was running the 155bar valve, s3 injectors, ttrs lpfp, rs4 lpfp controller, and 100% e85 but my fueling was still maxed out.


    Sent from my iPhone using Tapatalk
    Damn. Was this on a stock turbo?

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  19. #19
    Senior Member Four Rings Okedokey's Avatar
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    Quote Originally Posted by derrek View Post
    Just to give you some insight I was running the 155bar valve, s3 injectors, ttrs lpfp, rs4 lpfp controller, and 100% e85 but my fueling was still maxed out.


    Sent from my iPhone using Tapatalk
    Stock HPFP?
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread

  20. #20
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Damn. Was this on a stock turbo?

    Sent from my Nexus 6P using Tapatalk
    This was on a k04

    Quote Originally Posted by Okedokey View Post
    Stock HPFP?
    Sorry I assume hpfp is a given now a days.

    I used the apr hpfp and the ie hpfp. The ie pump flows more just a FYI.


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  21. #21
    Veteran Member Four Rings aluthman's Avatar
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    People still use stock hpfps? I'm selling one of those too (HPFPupgrade stage 1)...
    -Adam

    '07 DTM A4 2.0T|6MT|EFR 7163 Twin Scroll|DoTuning|Built Motor|Meth and other go fast stuff…
    '06 A4 2.0T Quattro - RIP (Best ¼ mile pass 13.634 @ 103.30)

  22. #22
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by derrek View Post
    Just to give you some insight I was running the 155bar valve, s3 injectors, ttrs lpfp, rs4 lpfp controller, and 100% e85 but my fueling was still maxed out.


    Sent from my iPhone using Tapatalk
    Oh yeah. I have been able to get the car to run 100% e85 before. But I went into limp mode once (partial throttle) and didn't know why. My friend made the tune.

    This time I'm starting from scratch and I'm trying to learn why. I have a hunch it was the rail pressure at low RPMs. Hence the emphasis getting the rail pressure tuned now...

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  23. #23
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by aluthman View Post
    People still use stock hpfps? I'm selling one of those too (HPFPupgrade stage 1)...
    Is the hardest extra seal on those pumps something I should have? I have an autotech pump... The hpfpupgrade site says other pumps seal leak at past 135 bar. Not sure if that's a marketing thing.

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    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  24. #24
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Oh yeah. I have been able to get the car to run 100% e85 before. But I went into limp mode once (partial throttle) and didn't know why. My friend made the tune.

    This time I'm starting from scratch and I'm trying to learn why. I have a hunch it was the rail pressure at low RPMs. Hence the emphasis getting the rail pressure tuned now...

    Sent from my Nexus 6P using Tapatalk
    You're going to run into problems with the lpfp keeping up. Ttrs pump is an easy upgrade but if you want to go bigger it won't be enough.


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  25. #25
    Established Member Three Rings StatusQuo's Avatar
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    0.02 uploaded along with a general driving log with some WOT. my LTFT are about 3.1.

    Knocking way less than the stock stage 2 file on pump gas. I was getting 6 to 9.0 knock on it.

    This may be my last 50% file. gas is almost on red so I might go full e85 on the next fill. Some polishing is in order on the injection correction table. sometime ill write up a short guide on how to use datalogs.


    ---

    The only weird issue is if i blip the throttle slightly, AFR goes bonkers for a sec and goes back to normal. no knocking experienced and idk if i had this before and was normal lol.


    Edit. Maybe yall might find this dyno chart interesting

    Last edited by StatusQuo; 09-22-2016 at 07:27 PM.
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  26. #26
    Established Member Three Rings StatusQuo's Avatar
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    Update: 100% e85 achieved. No limp mode. I'm in fact pulling fuel at WOT so there is some headroom to play with.


    I'll be uploading the file when I get home. Along with a WOT log. The file is no where near perfect but it is drivable and runs. Almost no knock unless it's at high RPM and that's only -3 so I feel it's safe.

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  27. #27
    Senior Member Four Rings Okedokey's Avatar
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    Yes, please upload file.
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread

  28. #28
    Established Member Three Rings StatusQuo's Avatar
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    @p0isin and @derrek.


    You guys were pretty much spot on on using a lower MPa than the cracking pressure. I don't know why eurodyne chose to use 130bar. The valve cracks and pressure drops hard, starving fuel. It's better to just run a slightly lower pressure to prevent all those fluctuations.

    Sent from my Nexus 6P using Tapatalk
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  29. #29
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by Okedokey View Post
    Yes, please upload file.
    Yeah Ill have it up tonight man. I'm making some edits to the Injection Correction table and I'll upload right after the test if I don't go limp.

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    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  30. #30
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Yeah Ill have it up tonight man. I'm making some edits to the Injection Correction table and I'll upload right after the test if I don't go limp.

    Sent from my Nexus 6P using Tapatalk
    Get a log with rpm, lambda, boost, and fuel pressure low and high.

  31. #31
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by derrek View Post
    Get a log with rpm, lambda, boost, and fuel pressure low and high.
    Do you know what blocks that would be?

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    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  32. #32
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Do you know what blocks that would be?

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    Not off the top of my head. If you got to advanced measuring values you can pick what you want out of all of them.


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  33. #33
    Senior Member Four Rings Okedokey's Avatar
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    With VCDS? Just go to engine, measuring blocks and check the check-boxes with those measures.
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

    My respray thread

  34. #34
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Do you know what blocks that would be?

    Sent from my Nexus 6P using Tapatalk
    001-1 Engine speed
    031-1 Lambda sensor current value
    031-2 Lambda sensor specified value
    103-1 current fuel pressure
    115-3 Boost pressure specified
    115-4 Boost pressure actual
    230-1 Rail pressure specified
    230-2 Rail pressure actual

  35. #35
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by derrek View Post
    Get a log with rpm, lambda, boost, and fuel pressure low and high.
    here you go!


    https://www.dropbox.com/s/mll8zo2qrg...-2303.CSV?dl=0
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  36. #36
    Veteran Member Four Rings derrek's Avatar
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    Quote Originally Posted by StatusQuo View Post
    Time for a new pump


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  37. #37
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    Quote Originally Posted by derrek View Post
    Time for a new pump


    Sent from my iPhone using Tapatalk
    hahaha yeah I was looking at that. under 2 bar lol.

    Some questions. Do you know exactly what Acceleration enrichment does?

    Also, what PWM compatible pumps do you recommend that I can mod in while still retaining anti surge?
    RS4 controller?
    Last edited by StatusQuo; 09-24-2016 at 12:59 AM.
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  38. #38
    Established Member Three Rings StatusQuo's Avatar
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    Quote Originally Posted by Okedokey View Post
    Yes, please upload file.
    Got it uploaded.
    B7 Audi A4 Quattro - Built. Not Bought.
    Upgraded HPFP | RS4 Injectors | RS4 LPFP Controller | 175 Bar PRV | 50/50 E85 | Straightpipe Exhaust | Cold Air Intake | Big Turbo | Front Mount Intercooler | -- The Maestro Community Project --

  39. #39
    Veteran Member Four Rings aluthman's Avatar
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    Quote Originally Posted by StatusQuo View Post
    hahaha yeah I was looking at that. under 2 bar lol.

    Some questions. Do you know exactly what Acceleration enrichment does?

    Also, what PWM compatible pumps do you recommend that I can mod in while still retaining anti surge?
    RS4 controller?
    RS4 controller with ttrs lfp
    -Adam

    '07 DTM A4 2.0T|6MT|EFR 7163 Twin Scroll|DoTuning|Built Motor|Meth and other go fast stuff…
    '06 A4 2.0T Quattro - RIP (Best ¼ mile pass 13.634 @ 103.30)

  40. #40
    Veteran Member Four Rings seal66's Avatar
    Join Date
    Aug 05 2011
    AZ Member #
    79303
    My Garage
    2008 Audi A4, 2015 Audi A3
    Location
    CO

    Rs4 controller or torquebyte with a ttrs.
    Heck if you want to just keep things low cost replace the stock lpfp and run aprs unvi inline pump setup

    Sent from my SM-G920P using Tapatalk
    2008 Audi A4 2.0T
    320awhp/420awtq...E85---UnitedMotorsports Tuned

    2015 A3 8v P-Stock
    2003 A4 Avant 3L-sold

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