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Any turbo's better than a Borg Warner?

Posted by v8s_are_slow, Sep 23, 2010

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  1. v8s_are_slow

    v8s_are_slow Proven Member

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    That's a pretty good time for only 20psi. What octane are u running for pump and race, and what did u just run at the track?
     

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    1998 Mitsubishi Eclipse GST
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  2. BrokenTsi

    BrokenTsi Proven Member

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    I run 93 on pump and "race gas" is few and far between in my parts. I had bought a 5 gallon drum of c16 at the shootout, and I was mixing that with 93 for the most part.

    At the track, I got a few gallons of sunoco 112. But all I did was pour it in my car and didnt change the tune because I wanted to get a baseline run first. I didn't go all out or nothing, especially at 20psi, but the 20psi run was by accident. I just took my wastegate apart and the diaphram was pinched in 2 spots thus causing the wastegate to act funny. However, I am super impressed with the trap speed at such low boost. It took me 35psi on a GT3082r to trap 132.

    Maybe someone can correct me on this, but would that also cause spool to be a bit lazy? For the life of owning this wastegate, I can set boost at lets say 25psi, but it will gradually increase boost in small increments up to redline. I'll maybe see 2 more psi after target boost was reached before I shift.

    And it was the transfer case I broke. The tailshaft snapped. :cool:
     

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    1990 Eagle Talon TSi AWD
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  3. THE_ARTIST_

    THE_ARTIST_ Proven Member

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    any time frame for this new turbo?
     

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  4. yellow90tsi

    yellow90tsi Proven Member

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  5. kp116

    kp116 Proven Member

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    131mph trap at only 20psi!:hellyeah: I have my s366 now at 30psi and she feels pretty good.
     
  6. BrokenTsi

    BrokenTsi Proven Member

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    Yup. 10.8 AFR's and 14* timing. I picked up 31mph on the back 1/8th. My tial 44 was pinched in 2 spots on the diaphragm. I will try again this week.

    thats the s364, correct?
     

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    1990 Eagle Talon TSi AWD
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  7. yellow90tsi

    yellow90tsi Proven Member

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    Yes Bullseye Power S364 with the T3 .70 AR turbine housing. With hella shaft play. Had pretty good play from day one. I bought it new. Talked to Bullseye and they will swap it for a good one when I send this one in. It has been rubbing the compressor housing for two months now. I didnt want to have the car down so I kept running it.
     

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    1990 Eagle Talon TSi AWD
    13.316 @ 131.510 · 1G DSM
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  8. kp116

    kp116 Proven Member

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  9. BrokenTsi

    BrokenTsi Proven Member

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    It weighs 2800 by itself, and around 3000 with me in it depending on how much gas is in there.
     

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    1990 Eagle Talon TSi AWD
    9.693 @ 150.800 · 1G DSM
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  10. kp116

    kp116 Proven Member

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    Its still making probably a little over 500whp :) LOL Thats retarded for that boost level. Mine is roughly the same weight maybe like 50lbs more....
     
  11. v8s_are_slow

    v8s_are_slow Proven Member

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    If I can get this HX52 for really cheap like I'm hoping, I'll try it out. A "little" worried about spool time but guess we'll see. If it doesn't perform like I want it to, I'll be swapping over to an S366. Heck, all I'll be swapping over is the turbo anyway. There's not really many people running the HX52 for whatever reason, so would be nice to see what I can do with it. But have to get it 1st anyway. I'll post up pics and all if I get it though. Wish I had a BW turbo to post up comparison pics if I do get it.

    Those are some dang good numbers on the BW's.
     

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  12. BrokenTsi

    BrokenTsi Proven Member

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    My first 22psi pull on a mustang dyno was 490whp with rich AFR's and low timing. Before we could make adjustments, my alternator died. It would have made an easy 650 on the mustang dyno.

    I bet at 22psi, i could have gotten a solid 530whp if I had time to play with the tables. But it seems like everytime I'm ready to get real numbers, something happens. But on the street, and every day to work, I can run 35+psi all day long until I want to go race or dyno tune LOL.
     

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  13. NOSLO2PT0

    NOSLO2PT0 Proven Member

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    Kenny, you didn't get it from Bullseye, did you? God, I hope not.
     
  14. BrokenTsi

    BrokenTsi Proven Member

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    Mine is from Bullseye.
     

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  15. v8s_are_slow

    v8s_are_slow Proven Member

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    What's wrong with getting it from Bullseye?
     

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  16. keltalon

    keltalon Supporting VIP

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    Comp turbo IMO is the best out right now. Infact my new comp 6265 Triple ballbearing Billet compressor wheel unit just arrived today and I will be getting caparison results here real soon to my old BW s259 ET unit in which I laid down 536hp dsm .55ar housing :thumb:


    Comp Turbo Technology the how and why our turbos are the best
     

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    1998 Mitsubishi Eclipse GST
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  17. slowgsr

    slowgsr Proven Member

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    Mainly.. what are your power goals? You want to get a turbo that will work well in your power range, and give you the best powerband.

    The PTE Billet turbo's are very nice. There also very expensive. The BW turbo's I find are cheaply priced.

    The 366 will easily do 145-150mph at full tilt on a PROPERLY EQUIPPED car, as the s372 will easily do 155-160+mph at full tilt, again.. on a properly equipped setup.

    To answer your question.. there is no 'best turbo'. BEP units are great, I notice the title of your thread says Borg Warner, a S256,S259,S362,S366,S372 are NOT borg warner turbos!! Their bullseyepower turbo's. (BEP). Borg warner turbo's have a 'sx300' or 'sx400' classification.

    I went 141mph on my s372r at 27psi. If I only wanted to go this fast, I would have gone with a s366, but I do want to make much more power, or else I would be hurting my cars potential.

    However, I can tell you, don't be scared to go with a nice big A/R on the exhaust housing, backpressure drastically hurts power, and the added spool with a tiny A/R isn't worth the power loss in high RPM. Divided T4 is the best way to go.

    Good luck.

    BULLSEYE IS THE ONLY PLACE TO GET A S366, S366 is NOT A BORG WARNER TURBO, ITS A BEP UNIT

    BorgWarner turbo's use a S300 or S400 rating, its very similar and confuses MANY.

    BEP Has some of the best customer service I have ever experienced. David Hall, is the man over there.

    Also, don't get all caught up with HP numbers on various turbo's. Dyno's vary more then you think ;)
     
    Last edited: Oct 4, 2010
  18. kp116

    kp116 Proven Member

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    It is the bep not a true borg warner. I honestly didn't know the difference until after I bought it. I am sure either way this turbo is going to make some nice power.
     
  19. v8s_are_slow

    v8s_are_slow Proven Member

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    So I got an e-mail back about this HX52 that I'm looking at, with a divided housing. Here's what she sent me:

    Turbine housing AR=16 (Isn't there only one size for the divided housing or is there a bigger one? I thought I saw something about there being an 18? Can someone clarify please? And about what size would a 16 translate to, such as .55, .83, 1.10, etc.?)
    Turbine wheel=70mm (Kinda wondering what she's talking about here since the turbine outlet is 121mm. If it's what I'm thinking it is, it seems as though there would be a pretty large gap between the wheel and the housing)
    Turbine outlet OD=121mm (this equals to 4.76 inches so sounds pretty freakin huge to me)
    Center of bolt hole to center of bolt hole=3-1/2" x 2-3/4" (What in the crap is she talking about??? I'm guessing these are the bolt hole measurements where the housing bolts to the manifold but I'm not sure which directions she was talking about).
    V-band outlet connection is on the exhaust side.

    Feedback from the HX52 guru's? Thanks.
     

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  20. dsm-onster

    dsm-onster DSM Wiseman

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    Deeper into the outlet, it flares from about the turbine exducer dia to 121mm.
     

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  21. v8s_are_slow

    v8s_are_slow Proven Member

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    Ah, didn't think about that. So holy crap, the exhaust I'll need to run will be close to 5 inches??? Sheesh, that'll be freakin HUGE!!!!
     

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    1998 Mitsubishi Eclipse GST
    10.949 @ 129.77 · 2G DSM
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  22. Steve93Talon

    Steve93Talon Proven Member

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    Everyone seems to have breezed past this comment. The new 2011 model BW EFR series is supposed to be a whole new level of efficiency, anyone considering a new turbo should seriously hold off until they're announced at SEMA in a few weeks.
     

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  23. mario009

    mario009 Proven Member

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    this debate is still going on?? damn. i have a 35r and will dyno it here soon, and then do nothin but swap it with my s362 et, and post the results. on the other hand, damn i cant wait to see these new bw turbos at sema!
     
  24. v8s_are_slow

    v8s_are_slow Proven Member

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    Of course it'll be at Sema, but wonder how long before they're sold to the public and which vendors will have them. Hmmm....
     

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    1998 Mitsubishi Eclipse GST
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  25. Steve93Talon

    Steve93Talon Proven Member

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    1993 Eagle Talon TSi
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