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fast spooling 600whp street turbo?

Posted by Funfettie, Feb 6, 2012

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  1. LandSpeed-DSM

    LandSpeed-DSM Proven Member

    1,991
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    Chicago, Illinois
    I had some exceptional results in both the BEP DSM bolt on housing and the bigger BW twinscroll T3 housing.

    S259ETT in the big Twinscroll T3 with a set of factory freak Graveyard Motorsports cams. Jon told me the set I received were the first made of the 274s, but the measurements my machinist pulled from them are far bigger than advertised.

    With Snow Performance meth kit saw full boost 37-38psi around 4600rpm in third in cold weather.

    Link saw 63+lbs/min routinely.

    This was with the larger 74mm turbine.
     

    2K  0

    1992 Mitsubishi Eclipse GST
    · 1G DSM
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  2. FenixTX717

    FenixTX717 Proven Member

    153
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    Joined Oct 10, 2004
    k-town, Wisconsin
    Holset is a cheap effective way to go IMO. I know a buddy used to run on an HX40 with the BEP. 55 housing and was full boost around 4500rpms on a built 2.0L on E85 was upper 500whp. I would imagine if you used the stock twin scroll housing spool would be a tad quicker and will get you your 600whp.

    As mentioned though it's hard to have a quick spool high HP car but of course can always be done.
     

    370  0

    1999 Mitsubishi Eclipse Spyder GST
    13.100 @ 113.990 · 2G DSM
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  3. Boosted98gsx

    Boosted98gsx Proven Member

    2,073
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    Joined Oct 31, 2002
    Houston, Texas
    FP GT3582R HTA

    If you want fast spooling, there's nothing better than a Garrett ball bearing unit.

    Fastest you can get to reach your goals.
     

    1K  0

    1998 Mitsubishi Eclipse GSX
    11.641 @ 114.230 · 2G DSM
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  4. LandSpeed-DSM

    LandSpeed-DSM Proven Member

    1,991
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    Joined Dec 5, 2011
    Chicago, Illinois
    Is that what your BS in Mechanical Engineering tells you? You really are a broken record.

    Way to be objective there and support it with data.
     

    2K  0

    1992 Mitsubishi Eclipse GST
    · 1G DSM
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  5. Hal

    Hal Proven Member

    372
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    Joined Jul 11, 2006
    aurora, Colorado
    Fastest spooling is kind of ambiguous.

    Just because it spools faster doesn't mean it makes more power.

    In reality the faster the spool usually means the faster the fall off on the top end giving you less usable overall power (area under the curve).

    Maybe that's ok if you never twist it out on the top end.

    Like everything else, there are trade offs.

    In reality the difference in spool time is pretty negligible and people change their driving styles as needed.

    Hal
     

    3K  0

    1998 Mitsubishi Eclipse GSX
    · 2G DSM
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  6. rommel rojasgsx

    rommel rojasgsx Proven Member

    165
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    Joined Feb 17, 2009
    hollywood, Florida
    Ok fast spooling 600hp turbo? Try Hx40 in a stock 14cm housing.i see 30 psi right under 4k rpm with hks 280s. 2.0 e85
     

    1K  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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    gsxrunning likes this.
  7. Boomdeeze

    Boomdeeze Proven Member

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    Independence, Minnesota
    You see 30 psi under 3k? That has to be the fastest spooling HX-40 2.0 setup ever. That thing spools like a dang t25.

    What gear is this in that you see 30 psi under 3k?
     

    Street Build 4K  1

    1997 Mitsubishi Eclipse GSX
    10.793 @ 128.98 · 2G DSM
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  8. Hal

    Hal Proven Member

    372
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    Joined Jul 11, 2006
    aurora, Colorado
    Dyno sheet, log file showing boost curve?
     

    3K  0

    1998 Mitsubishi Eclipse GSX
    · 2G DSM
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  9. rommel rojasgsx

    rommel rojasgsx Proven Member

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    Joined Feb 17, 2009
    hollywood, Florida
    My bad i meant to say 4k . Ill see if i can get my friend to post a log. And thats on 3rd gear
     

    1K  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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  10. Boosted98gsx

    Boosted98gsx Proven Member

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    Houston, Texas
    Try to find a journal bearing [60+ lb/min] turbo that makes positive intake manifold pressure at 2200 rpms in 3rd.
     

    1K  0

    1998 Mitsubishi Eclipse GSX
    11.641 @ 114.230 · 2G DSM
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  11. 91stocker

    91stocker Proven Member

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    Vassar, Michigan
    A 2.3L with a 7 blade hx35 in twin scroll would be the ultimate street car imo.
     

    1K  0

    1991 Eagle Talon TSi AWD
    13.26 @ 102.09 · 1G DSM
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  12. talonDSMerr

    talonDSMerr Proven Member

    751
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    Joined Aug 19, 2007
    Greenwood, Indiana
    You and I, we think alike! Maybe even a cyclone IM as well..?
     

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    1991 Eagle Talon TSi AWD
    · 1G DSM
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  13. 91stocker

    91stocker Proven Member

    1,990
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    Joined Jan 15, 2010
    Vassar, Michigan
    I was thinking more of a 2g head/evo 3 IM combo, but a well ported functioning cyclone might do the trick.
     

    1K  0

    1991 Eagle Talon TSi AWD
    13.26 @ 102.09 · 1G DSM
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  14. ed1380

    ed1380 Supporting VIP

    2,324
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    Joined Sep 29, 2007
    ATL, Georgia
    Stop teasing me! Its been on jack stands way too long. 2g head with stock intake and 1g tb. Gonna break it in on an Evo3 16g and see how that feels
     

    1K  0

    1999 Mitsubishi Eclipse GSX
    · 2G DSM
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  15. ed1380

    ed1380 Supporting VIP

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    ATL, Georgia
    The fp2 are just repackaged comp101200 cams. The comp101200's are slightly more aggressive than 272's .... you know say like 274's. Sounds to me like you just bought some 274's but from a different company. Kudos to the smooth talking sales rep.


    Btw I have comp 264-272. It should spool nice.
     

    1K  0

    1999 Mitsubishi Eclipse GSX
    · 2G DSM
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  16. Boosted98gsx

    Boosted98gsx Proven Member

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    Houston, Texas
    a 2.3l and a GT3076r with a billet compressor wheel. Boost below 2000 rpms, and full boost like what a 16g would be on a 2.0L.
     

    1K  0

    1998 Mitsubishi Eclipse GSX
    11.641 @ 114.230 · 2G DSM
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  17. Boomdeeze

    Boomdeeze Proven Member

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    Joined Jul 5, 2009
    Independence, Minnesota
    Fp2's are not 274's and I didn't buy them from a sales rep, I bought them from a private seller. A did my research on the cams and the Graveyard 274's are actually more aggressive than they say. There is a thread on here about the Graveyard cams and a machinist took the specs of the cams and figured out they were more aggressive than claimed. And everyone that I have heard from that run the Graveyard 274's have had major issues with low-mid range.

    I looked at dyno graphs and talked to people running the fp2's with a similar setup to mine and their low-mid range was a lot better. I did research before selecting a cam and know these are far better cams compared to the Graveyard regrinds.

    The fp2's are designed for a 2.0 motor and the 274 are designed for a stroker motor like a 2.3, tell me how those two cams would be similar?
     

    Street Build 4K  1

    1997 Mitsubishi Eclipse GSX
    10.793 @ 128.98 · 2G DSM
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  18. AK Maniak

    AK Maniak Proven Member

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    Butte, Montana
    dyno sheet, boost curve please?
     
    AK Maniak

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    1999 Mitsubishi Eclipse GSX
    · 2G DSM
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  19. Boosted98gsx

    Boosted98gsx Proven Member

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    Houston, Texas
    I can give you a boost curve from my 3582r in a .82 a/r housing on my 2.3.

    2200rpm boost, 20psi at 4200, just need to go dig for a log.
     

    1K  0

    1998 Mitsubishi Eclipse GSX
    11.641 @ 114.230 · 2G DSM
    Loading...
  20. AK Maniak

    AK Maniak Proven Member

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    Joined Jul 9, 2009
    Butte, Montana
    No need to go try and dig something up, but if you happen to find it please post it up.
     
    AK Maniak

    537  0

    1999 Mitsubishi Eclipse GSX
    · 2G DSM
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  21. Boosted98gsx

    Boosted98gsx Proven Member

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    Joined Oct 31, 2002
    Houston, Texas
    Just been a while since I've logged the car or tuned. Netbook is fired up, so I should have one in a few

    Found it :)

    1800 rpms positive intake manifold pressure in 3rd gear, and 50 lbs / min at 20 psi
     

    Attached Files:

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    1998 Mitsubishi Eclipse GSX
    11.641 @ 114.230 · 2G DSM
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  22. fede

    fede Proven Member

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    Joined Apr 29, 2009
    coral springs, Florida
    Last edited by a moderator: Jul 10, 2014

    215  0

    1995 Mitsubishi Eclipse GST
    15.010 @ 127.000 · 2G DSM
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  23. LandSpeed-DSM

    LandSpeed-DSM Proven Member

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    Joined Dec 5, 2011
    Chicago, Illinois
    If its the thread I think you are referring to, that was my particular set of GM274s and they were an anomaly in how ungodly off spec they ended up.

    Jon told me that the sets I received included the first pair of 274s and the first set of 272s they got from their cam grinder up the street.

    The rest they've since sold are going to be pretty close to advertised because they pair I had were so large and so off spec it could create major problems for someone to install straight up on stock cam gears without measuring valves and using stock springs.

    So dont get too excited, yours will likely be only .408 lift, and a decent ramp rate, not exactly an fp2x or a kelford 280/276. LOL
     

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    1992 Mitsubishi Eclipse GST
    · 1G DSM
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  24. 907dsm

    907dsm Proven Member

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    Joined Jun 13, 2009
    Anchorage, Alaska
    fp3065
     

    453  0

    1994 Eagle Talon TSi AWD
    manual · 1G DSM
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  25. fede

    fede Proven Member

    39
    0
    Joined Apr 29, 2009
    coral springs, Florida
    fp3065 is a monster turbo as well but i havent seen it making more than 550whp...
     

    215  0

    1995 Mitsubishi Eclipse GST
    15.010 @ 127.000 · 2G DSM
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