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Thread: Rajicase's First Turbo Build, Ballin' On A (Nonexistent) Budget

  1. #101
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    OKAY so m set on the s256. Its settled now. After thinking about nothing but this for the past couple days, I have decided that this is the route I am going to go. Hopefully bunch of parts get here soon so I can get this engine together and drop it in!

  2. #102
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    Quote Originally Posted by rajicase View Post
    OKAY so m set on the s256. Its settled now. After thinking about nothing but this for the past couple days, I have decided that this is the route I am going to go. Hopefully bunch of parts get here soon so I can get this engine together and drop it in!
    Finally!
    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

  3. #103
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    Quote Originally Posted by vollosso View Post
    Finally!
    Good man right here

    Spent the past couple days lighting up his phone regarding my turbo choice dilemma. Not once did he say what he surely was thinking(MAKE UP YOUR FUCKING MIND!)


  4. #104
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    Quote Originally Posted by rajicase View Post

    Good man right here

    Spent the past couple days lighting up his phone regarding my turbo choice dilemma. Not once did he say what he surely was thinking(MAKE UP YOUR FUCKING MIND!)

    Turbo choice will drive you crazy. I didn't sleep for weeks. Still not sure if I made best decision. You need to look at your driving style, that's #1. If your going to play "light to light" you want a small , quick spooling turbo, if your doing highway rolls or drag racing your going to want a bigger, higher flowing turbo. Then you need to make sure your not overpowering your chassis, suspension and clutch. With the turbo you choose, your going to want to invest in some traction. As boost/TQ will be coming on strong. Look into dropping $500+ on some toyo888s or nitto drag radials. Your economy all seasons will only be fun spinning them up for so long. Remember, when taking someone for a ride, if you spin, the car feels slower , and is slower. Its fun at first, but you will see what I mean.
    Don't get power hungry, but that's the inevitable.
    Forget about #s, buy only what makes you happy with the way the car responds. There are many 600-800+ HP cars out there that just wouldn't be fun to drive. Then there are some 400-600 HP cars that would be a absolute blast to drive daily.
    Choose wisely.
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

  5. #105
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    There are so many turbo choices out there you will always wonder if another choice woukd have been better. It's inevitable. I think the OP made a solid choice here though for his power goals and budget. The Borgs have the reliability and rebuildability of a JB turbo, but better performance than most JB turbos due to better turbine wheel aero.
    -Nick
    91 E30 M42 on VEMS

    Turbo Camshaft Thread

  6. #106
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    Quote Originally Posted by wazzu70 View Post
    There are so many turbo choices out there you will always wonder if another choice woukd have been better.
    Nice thing about NA; when I wanted big cams, I had two choices.. VAC or Sunbelt, same price, easy decision!

    Side note, I am returning the MLS gasket and will be going with a cut ring and spacer instead. I figure the gasket itself can be had for $218 shipped brand new and hopefully I can find the spacer second hand on here. But worst case its an extra couple hundred $$ over the MLS. Figure its worth it in the grand scheme of things seeing as reliability is my priority and I have purchased a lot of nice name brand parts so far. As I am closing in on the $3k mark I feel its worth it

  7. #107
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    96 332IS 6466 turbo
    Tuning ?
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

  8. #108
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    Covered in original parts list, but I am going with TRM due to them being close to me and how well they have treated me and how well they had my NA set up running. New injectors, maf, pigtail, and maf flange included with free revisions and one free dyno tune included in my price list.
    Last edited by rajicase; 12-13-2015 at 10:46 PM.

  9. #109
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    Very curious to see s256 results on a 9:1 s52 as I have the same engine and am considering the same turbo next year. It's the only new "brand name" turbo I could afford and fit. (Obviously an s366 is like the same cost however massive...)

    And about the MLS - probably a very good choice going cut ring!! I've already put 9k on a used 20k+ MLS ($60) in a year and have boosted as high as 20 psi without issues yet the fear is always there.

    Making good progress, keep it up!

    1995 325i | OBD1 S52 | S50 cams | AA Turbo TD06 20g / 42lb / Porsche maf | .140 MLS | F1 s3 clutch | Ultimate SSK | AKG 75D subframe/diff bushings | 3.23 LSD | Powerflex LCAB/RTAB | e46 fca | Raceland coils | BMP rear arms | DEPO HID | AEM Failsafe | Aeromotive FPR | Walbo 255 | 3" Magnaflow muffler/cat/res | 17x8.5/9.5" 225/45 & 255/40

  10. #110
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    I overboosted to 27 on an MLS. 18-19 all day long.

  11. #111
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    Its such a hard decision. I havent found a cut ring/spacer set up and the MLS is here. If I go MLS I can just put this engine back together already...

    How long have you been running your MLS? .140? What prep was done and did you install gasket dry or with spray?

  12. #112
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    Quote Originally Posted by rajicase View Post
    Its such a hard decision. I havent found a cut ring/spacer set up and the MLS is here. If I go MLS I can just put this engine back together already...

    How long have you been running your MLS? .140? What prep was done and did you install gasket dry or with spray?
    I ran one for 15k, no issues. No spray.
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

  13. #113
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    I think the bore is important.

    Mls gaskets work great when cylinder bore spacing is sufficient.


    ALSO Not saying s52 bores are not sufficient..
    Last edited by vollosso; 12-14-2015 at 10:58 PM.
    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

  14. #114
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    86.5mm s52...

  15. #115
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    I ran a 0.140 on an S52 for 20k. Think that gasket was sold and has accumulated another 9k by its new owner. But there are very few reports of very high mileage 0.140 MLS. Done right you should be OK for a while. It just probably won't be the last gasket you ever use on the motor. I used copper spray.

  16. #116
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    Also, should I use a divided T4 gasket or undivided gasket? Running divided s256sx on undivided TCD mani.

  17. #117
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    Quote Originally Posted by rajicase View Post
    Also, should I use a divided T4 gasket or undivided gasket? Running divided s256sx on undivided TCD mani.
    probably wouldnt run either if the surfaces are nice and machined.
    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

  18. #118
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    With nothing supporting the division, meaning either mani or housing is open, you run an open gasket. No gasket works if both surfaces machined. I use remflex gasket.

  19. #119
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    ^^That one of those "make it yourself" gaskets?

    - - - Updated - - -

    I think Im working on setting a record for most questions asked

  20. #120
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    What kind of prep work is involved in making an mls "last" ? Great thread, lots of good info!

  21. #121
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    ^^I am obviously the last person to give solid advice, but my understanding is the BIGGEST factor is making sure both mating surfaces(head and block) are extremely smooth/flat(RA50 or better) and have no imperfections.

    Cometic says not to use any spray on the HG, many others say to use it.

  22. #122
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    s256 will be sweet! I recently debated between the 256 and the 362. Ended up buying the s362 sx-e. I'm excited to see how quickly yours spools! I just saw this deal on rallyroad if you change your mind on tuning. http://www.rallyroad.net/content/obd...42lb-injectors

  23. #123
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    As long as the block/timing cover (and head obviously) was machined smooth enough for the MLS you'll be fine. Pretty sure most of the horror stories are from folks that just did it in the car without any or little block prep.

    It was my understanding that a s256 was closer gt30 territory..?

    1995 325i | OBD1 S52 | S50 cams | AA Turbo TD06 20g / 42lb / Porsche maf | .140 MLS | F1 s3 clutch | Ultimate SSK | AKG 75D subframe/diff bushings | 3.23 LSD | Powerflex LCAB/RTAB | e46 fca | Raceland coils | BMP rear arms | DEPO HID | AEM Failsafe | Aeromotive FPR | Walbo 255 | 3" Magnaflow muffler/cat/res | 17x8.5/9.5" 225/45 & 255/40

  24. #124
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    Quote Originally Posted by jjjjjjj View Post
    As long as the block/timing cover (and head obviously) was machined smooth enough for the MLS you'll be fine. Pretty sure most of the horror stories are from folks that just did it in the car without any or little block prep.

    It was my understanding that a s256 was closer gt30 territory..?
    After speaking with several people the s256 is significantly better/more efficient than the gt30. Look at the turbine wheel size compared to the gt30.Even check it out compared to the gt3582r. Also, check out this compressor map of a s256sx laid over a GT3582r. Really impressive! http://farm3.static.flickr.com/2143/...a5dd0d12_o.jpg

    - - - Updated - - -

    Wazzu posted these specs, im just copying them

    GT3076R:
    Compressor: 58mm inducer, 76.6mm exducer
    Turbine: 60mm inducer, 55mm exducer

    GTX3576R:
    Compressor: 58mm inducer, 76.6mm exducer
    Turbine: 68mm inducer, 62.3mm exducer

    GT3582R:
    Compressor: 61.4mm inducer, 82mm exducer
    Turbine: 68mm inducer, 62.3mm exducer

    S256SX:
    Compressor: 56mm inducer, 76.2 mm exducer
    Turbine: 70mm inducer, 61mm exducer
    Last edited by rajicase; 12-15-2015 at 10:20 AM.

  25. #125
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    Well, simple enough, a 35r can make 600rwhp at about 22psi. Get this think together and get on a dyno.
    1996 332IS
    Built 3.2
    CES/Steed TS Precision 6466, spraying a "$π!℅" load of meth.
    Technique Tuning 80# tune.
    1/4 mile 10.84 @ 136.72
    Your 1 and only stop for all your BMW performance needs
    WWW.CESMOTORSPORT.COM

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