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Thread: m52 Turbo Build

  1. #1776
    Join Date
    Feb 2011
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    97' m52 turbo
    Quote Originally Posted by vollosso View Post
    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
    Granted, I haven't ran the car since or had it on the lift yet.

    But I'm about 85% sure all is good


  2. #1777
    Join Date
    Jan 2019
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    Wilmington DE
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    94 Turbo Miata, E36 soon
    Finished reading this goldmine of a thread, it's really evident how knowledgable and helpful people in the community can be and it's fantastic. The information in this thread is pretty unreal, thank you for all of the conversation and documentation. Is your wastegate reference pre or post intercooler? Miata guys had a time where they figured out post intercooler was the better reference.

  3. #1778
    Join Date
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    Quote Originally Posted by EagleJake View Post
    Finished reading this goldmine of a thread, it's really evident how knowledgable and helpful people in the community can be and it's fantastic. The information in this thread is pretty unreal, thank you for all of the conversation and documentation. Is your wastegate reference pre or post intercooler? Miata guys had a time where they figured out post intercooler was the better reference.
    Lol, 'goldmine,' I don't know. I asked a lot of funny questions... It was and still is a learning process.

    You're right, the community is great here. Its disappointing to see whats happening over on Boosted E36 world sometimes...

    I've never really thought about WG reference, I just put in the manifold because that's what everyone seems to do here

    - - - Updated - - -

    Anyone have any rear calipers they'd be willing to part with?

    left rear bit the dust

    Upgrades are always great too, as long as price is right :-)

  4. #1779
    Join Date
    Mar 2012
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    Renton, Wa
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    98 m3
    FWIW, wastegate reference lines should be boost reference only (non vacuum sources).

    The intercooler acts like a damper, and since its the largest source of pressure drop ,measuring from the cold side is pretty much the optimum location.


    Sent from my iPhone using Tapatalk
    1989 535i - sold
    1999 Tiag/Dove M3 - sold
    1998 Turbo Arctic/black - current
    2004 TiAg/Black - Current

    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

  5. #1780
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    Quote Originally Posted by vollosso View Post
    FWIW, wastegate reference lines should be boost reference only (non vacuum sources).

    The intercooler acts like a damper, and since it’s the largest source of pressure drop ,measuring from the “cold” side is pretty much the optimum location.


    Sent from my iPhone using Tapatalk
    Makes sense,

    Majority of turbos I've seen have a nipple directly on the cold side housing, which should be used as WG reference

    - - - Updated - - -

    calipers? Aynone?

    for sale rear brake calipers?
    Last edited by 328iFun; 03-16-2019 at 06:36 PM.

  6. #1781
    Join Date
    Mar 2013
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    Upstate NY
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    M3
    I have my wastegate reference at the manifold, ideally, on the compressor housing is correct. Although, I've never EVER had any problems off the manifold with my gate. From literally 3 psi all the way to 20 psi with no controller or anything.

  7. #1782
    Join Date
    Jan 2019
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    Wilmington DE
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    94 Turbo Miata, E36 soon
    I count it as a goldmine cause of all of the questions you asked and even more so all of the knowledge that butters left.
    Vollosso is on track with the Miata guys, they were measuring a pressure difference of a few psi pre and post intercooler. With the turbo setups they were using, they would spring for 15psi and with a pre intercooler reference they would see boost drop at high rpm and airflow. In my head*, a manifold reference wouldn't be good since the throttle plate would be a restriction that the turbo would spin like crazy to get the boost at reference that the WG is looking for.
    *I have not read maximum boost so please take this with salt as it is a guess.
    Any updates as we start spring and the season?

  8. #1783
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    97' m52 turbo
    Good, I'm glad you found some useful information.

    Right now the car is in my garage on the lift. I had a rear brake caliper blow out on me. I ordered replacement calipers from a member on here, just waiting for them to arrive.

    Aside from that I've just been working on cleaning the car up a little bit. Painted the fenders flares, installed camber arms, catch can, and am looking for aero stuff (rear/side skirt diffusers, front bumper splitters) to make the car look better.

    Eventually some cheap GM pattern wheels for wider tires in the rear and then rear bushing or swapping in an M3 setup.

    Either all this ^

    or swapping the the turbo stuff into a clean 4 door. E36's are to find anymore though, for a good price

  9. #1784
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    And yes Butters, even though I haven't seen him around here in forever, is a great a person.

    Many others on here as well... I listed everyone awhile back. You know who you are:

    Thank you guys

    And really, the only item I gathered from Maximum Boost (most of the knowledge I obtained was from here and just reading around) was to have a flex pipe after the turbo. That explanation of exhaust gas and the expansion of material is a pretty good read.

    A standard e36 turbo build is pretty cut and dry at this point in time as far as hardware is concerned, really not much of a guessing game anymore ( or some complex equation)

    The most difficult task of all was (and my fault) installing the SPA manifold/turbo with the cyl head bolted to the block (when I already had the cyl head removed to begin with). Should have dropped the entire unit on in one piece; cyl head, manifold, and turbo - at the time I didn't have a second pair of hands and its pretty damn heavy...

    Took me a good 4-5 hours installing exhaust manifold bolts and some still aren't as tight as I would like them to be
    Last edited by 328iFun; 03-23-2019 at 01:13 PM.

  10. #1785
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    Had to make fender liners. Going to coat them in rubber

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  11. #1786
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    97' m52 turbo


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  12. #1787
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    Send it ?

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  13. #1788
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    '87 e30, '02 e39 Dinan
    Send it!
    Capital Driving Club Car # 102
    How to turbo your car:
    Step one. Install ecu and learn to tune and or have it tuned.
    Step two. Install injectors and retune.
    Step three. Install turbo parts and bits. get it running with out leaks. DO NOT DRIVE IT. Idling should be ok
    Step four. Retune car
    Step five enjoy

  14. #1789
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    Crystal Lake, IL
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    1996 BMW 328i Sedan
    What is that lift ????? Im envious.


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  15. #1790
    Join Date
    Jul 2009
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    Frederick, MD
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    '87 e30, '02 e39 Dinan
    Im hoping just the dust shield
    Capital Driving Club Car # 102
    How to turbo your car:
    Step one. Install ecu and learn to tune and or have it tuned.
    Step two. Install injectors and retune.
    Step three. Install turbo parts and bits. get it running with out leaks. DO NOT DRIVE IT. Idling should be ok
    Step four. Retune car
    Step five enjoy

  16. #1791
    Join Date
    Dec 2016
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    Los Angeles, California
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    2002 E46 BMW 325i
    Quote Originally Posted by 328iFun View Post
    Had to make fender liners. Going to coat them in rubber

    Sent from my SM-G960U using Tapatalk
    Whenever people would mention getting a lift for their garage, I never knew it was that small! That must be nice. What's the highest you've gotten it up to? Can you stand under it?

  17. #1792
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    Lift is maxjax

    I'd say about 5 ft in the air. Lifts my 1500 pickup as well

    I have roller stool I use to sit underneath the car

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  18. #1793
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    Its portable, unbolts, has wheels

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  19. #1794
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    Mar 2013
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    Upstate NY
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    M3
    Yeah these are nice for a low ceiling garage. I still love my full size 2 post. I'm almost 6 ft. And can walk underneath with hitting anything but the tires. If I had a personal garage i'd totally use this.

  20. #1795
    Join Date
    Jul 2007
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    easton pa
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    e36 m3, turbo e36
    Can we get more pictures of your fender liners


    -sold...replaced by turbo e36

  21. #1796
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    Yeah, the lift seems to work well. Just wish I would have had 2 years ago (when I was actually working on the car everyday). Saves a ton of time / back pain

    Once the liners are complete ill post pictures. I just have thin metal rivetted up right now

  22. #1797
    Join Date
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    97' m52 turbo
    I found someone close to me that has an m3 rear sale

    What are the benfits of running an m3 rear vs 328? How noticeable would they really be?

    Would like one but not sure at this point

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  23. #1798
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    Apr 2006
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    Minnesota eh?
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    86 325es
    There should be a noticeable difference in the amount of times you get stranded from broken stub axles.


    86 325es, 2.8L m50, S472sxe, MS3pro Ultimate, e85, solid rear axle, 4 link, spool, TH400 trans, Protorque converter, 28x10.5w slicks, zip ties
    Best = 9.43 @ 149.15 mph, 1.30 60 foot 28 psi boost

  24. #1799
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    Jun 2005
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    Concord, NH
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    08 E90M3; 99 E36M3 Turbo
    M3 gets you a shorter ratio and limited slip and heavier duty rear axles and bigger rear brakes (though your convertible has bigger rear brakes than a regular 328). Make sure you get the axles and trailing arms and brakes with the rear since it all goes together.

    As for breaking diff output stubs, I broke M3 ones with drag radials when launching at the strip with 500+ lbs rwtq. They are bigger than 328 ones, but I am not sure about the splined part in the diff — I was breaking that splined part and am not sure the M3 splined section is bigger than the 328 splined section. This is probably only an R compound tire at the strip issue.

  25. #1800
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    Nov 2013
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    VA
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    trbo 96 328;98 m3
    There will be a noticeable difference. I have broke three axles on my 328. You can get replacement axles from O'reillys with lifetime warranty but it becomes a pita to fix. After breaking the third I get a whining noise from the diff during shifts. An m3 rear end will be the move in the near future.

    Sent from my Moto Z (2) using Tapatalk


    96 328 Turbo
    98 M3/4/5

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