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Thread: m52 Turbo Build

  1. #1751
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    Quote Originally Posted by 328iFun View Post
    Thanks,

    Sounds like a plan!

    - - - Updated - - -

    We we're talking about boost creep earlier, I recorded a video of what was I talking about with my car; Third gear WOT, hits 14(13.5) PSI with boost controller set to 8


    14 sounds better than 8 anyway


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  2. #1752
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    Quote Originally Posted by someguy2800 View Post
    14 sounds better than 8 anyway
    Yes, I agree.

    But kind of defeats the purpose of the Boost Controller, waste of money. Should have connected WG directly to Turbo. Might as well just set the thing to 14, ha

  3. #1753
    Join Date
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    e36 328i turbo
    Quote Originally Posted by 328iFun View Post
    Yes, I agree.

    But kind of defeats the purpose of the Boost Controller, waste of money. Should have connected WG directly to Turbo. Might as well just set the thing to 14, ha
    Is it creep at high RPM? Or a Spike during spool?

  4. #1754
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    Quote Originally Posted by et89 View Post
    Is it creep at high RPM? Or a Spike during spool?
    Kind of hard to tell when the EBC shows OBS when over 8psi

    I also have a MAP sensor with a display in the cluster. Shows steady 13+ psi

  5. #1755
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    Are you sure you have an 8 psi spring?


    86 325es, 2.8L m50, S476sxe, ProEFI 128 ecu, e85, solid rear axle, TH400 trans, 28x10.5w slicks, zip ties, popsicle sticks, tape
    best time 9.06 @ 151.8 mph, best 60 foot 1.30

  6. #1756
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    Quote Originally Posted by someguy2800 View Post
    Are you sure you have an 8 psi spring?
    TS Ultragate with 7 spring, original spring that came with it

  7. #1757
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    e36 328i turbo
    No need if you are ok with how it works now of course.
    But steady 13+ psi, doesn't sound/look like creep.
    Ever tested your wastegate with an air compressor?
    Or any way to log your engine load?

  8. #1758
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    I'm good with it really. As long AFR stay in 11s, that is

    Tune is to injector max and boost controller works fine as long as I'm not dogging it, wot

    No have never tested it. Rom raider has engine load

    Sent from my SM-G960U using Tapatalk

  9. #1759
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    e36 328i turbo
    Quote Originally Posted by 328iFun View Post
    I'm good with it really. As long AFR stay in 11s, that is

    Tune is to injector max and boost controller works fine as long as I'm not dogging it, wot

    No have never tested it. Rom raider has engine load

    Sent from my SM-G960U using Tapatalk
    For you i mean, logging your load or map can give an indication whether you have spikes, or creep, or just a steady pressure. Because of your vids and what you say, I doubt you actually received a 8psi spring.

    But again, as long as it doing what you want it to do.. no real need for any testing.

  10. #1760
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    Whoever complained about more boost? Lol

    Really though the more manageable the better. I'll take the wg apart and verify the spring that came with it.

    Maybe turning up the duty cycle will help as well?

    Logging is a good idea, ill try to grab a boost log here soon

    Sent from my SM-G960U using Tapatalk

  11. #1761
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    Sent from my SM-G960U using Tapatalk

  12. #1762
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    Managed to drop boost creep down a little bit.

    Played with the EBC settings, and at WOT hitting about 10 now

    I'm sure someone that has more experience with the Eboost Street 2 could work magic

  13. #1763
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    Anyone have experience using the 2 port, single solenoid, single turbo waste gate connection?

    Said it can be used where there is high back pressure

    Sent from my SM-G960U using Tapatalk

  14. #1764
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    Another failing walboro 255???

    Loud whining, 40 PSI at idle, dropping out under loud

  15. #1765
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    Just got off the phone with Technica,

    apparently 255's have a life span of a year, did not know this

  16. #1766
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    Quote Originally Posted by 328iFun View Post
    Just got off the phone with Technica,

    apparently 255's have a life span of a year, did not know this
    Hmmm interesting. Buddies 255 he got used has been fine for the past 6 years. My 340 rally road has been going strong since 2013....

    Sent from my Moto Z (2) using Tapatalk

  17. #1767
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    Quote Originally Posted by bmw328m52 View Post
    Hmmm interesting. Buddies 255 he got used has been fine for the past 6 years. My 340 rally road has been going strong since 2013....

    Sent from my Moto Z (2) using Tapatalk
    Really?

    Rep on the phone made it seem like I was lucky that mine lasted as long as it did

    I wonder what Brand there sending me -

    Making a nice, loud whirling sound - pretty sure shes about to die, maybe fuel pressure will pick back up if I do 14 PSI boost or load engine, its 40 psi now at idle
    Last edited by 328iFun; 02-04-2019 at 01:06 PM.

  18. #1768
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    https://youtu.be/OrRfJQ182Qo

    Sent from my SM-G960U using Tapatalk

  19. #1769
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    Definitely louder than normal. If replacing make sure to check the wiring harness. Signs of burning could indicate too much current or short circuit. Don't remember how you wired your's, but most people(including myself) have replaced the stock wiring harness going from the two pinouts to the pump.

  20. #1770
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    Sent from my SM-G960U using Tapatalk

  21. #1771
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    Quote Originally Posted by 328iFun View Post


    Sent from my SM-G960U using Tapatalk
    Is that 10-20psi fuel pressure?! Wow.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 M3 Tiag/Dove - sold
    1998 M3 Turbo Arctic/black - current
    2004 Built motor TiAg/Black - Sold
    2008 E61 19T Turbo-Wagon - current
    2011 E82 135i - S85 Swap - current
    1998 M3 Cosmos S54 swapped Sedan - current

    1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  22. #1772
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    Quote Originally Posted by vollosso View Post
    Is that 10-20psi fuel pressure?! Wow.


    Sent from my iPhone using Tapatalk

    Yeah,

    Fuel pump dying a slow death. Wish I would have noticed it sooner, could have been a recipe for disaster!

  23. #1773
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    Quote Originally Posted by 328iFun View Post
    Yeah,

    Fuel pump dying a slow death. Wish I would have noticed it sooner, could have been a recipe for disaster!
    I’m proud the car still drives haha


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 M3 Tiag/Dove - sold
    1998 M3 Turbo Arctic/black - current
    2004 Built motor TiAg/Black - Sold
    2008 E61 19T Turbo-Wagon - current
    2011 E82 135i - S85 Swap - current
    1998 M3 Cosmos S54 swapped Sedan - current

    1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

  24. #1774
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    Quote Originally Posted by vollosso View Post
    I’m proud the car still drives haha


    Sent from my iPhone using Tapatalk
    You should be!

    Didn't want to admit it (as I said earlier wish I would have noticed, or paid attention to the drop in FP PSI) but:

    hit 1 bar with fuel pressure at 40-50 psi at wot

    think fuel pressure lived around 58-60, when the pump was strong

    It's nice have an fuel pressure gauge though (at the rail). Almost as important as an oil pressure gauge in my opinion
    Last edited by 328iFun; 02-05-2019 at 09:13 PM.

  25. #1775
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    This is where people are like “if you had a standalone...”

    But the bottom line is VERY few people implement any safety features.

    I’ll take a stock ms41 ecu over a generic standalone install every day.

    Anyway, glad the car is running!


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 M3 Tiag/Dove - sold
    1998 M3 Turbo Arctic/black - current
    2004 Built motor TiAg/Black - Sold
    2008 E61 19T Turbo-Wagon - current
    2011 E82 135i - S85 Swap - current
    1998 M3 Cosmos S54 swapped Sedan - current

    1998 Turbo: PTE6870 | 1.15 ar | Hp Cover, Custom Divided T4 bottom-mount, 3.5" SS exhaust, Dual Turbosmart Compgates, Turbosmart Raceport BOV, 3.5" Treadstone Intercooler, 3.5" Vibrant resonator and muffler, Arp 2k Headstuds | Arp 2k Main studs | 87mm Je pistons | Eagle rods | 9.2:1 static compression, Ces 87mm cutring, Custom solid rear subframe bushings, Akg 85d diff bushings, 4 clutch 3.15 diff, , Poly engine mounts, UUC trans mounts W/ enforcers, 22RPD OBD2 Stock ECU id1700 E85 tune, 22RPD Big power Transmission swap w/ GS6-53

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