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How much horsepower to expect?

Posted by KCz Eclipse, Aug 18, 2012

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  1. KCz Eclipse

    KCz Eclipse Proven Member

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    Joined May 1, 2012
    Kansas City, Missouri
    As of now, my 91 gsx is bone stock besides a 16g. In the next few months, using school grant money :D:shhh::D:shhh::D, i will be putting some parts on. I have a TBE exhaust ready to put on now, its a 2g ported exhaust manifold, megan o2 housing, PR dp, thunderbolt cat, and an ebay ss catback. In addition to the exhaust i will be putting a dejon air intake on as well as a vrsf fmic, and maybe some 272 cams (still undecided). With those bolt on i will be turning the boost up to about 15-18 lbs, and will finish it all off with a good tune. What do you guys think i will be running with those bolt ons and boost level. If any info is needed just ask.

    Thanks

    Forgot to add the 190 fuel pump, and probably some 750cc injectors.
     

    327  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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  2. gtrej01

    gtrej01 Proven Member

    169
    22
    Joined Dec 13, 2010
    Granger, Washington
    I'd suggest some upgraded injectors and fuel pump also.
     

    833  0

    1997 Mitsubishi Eclipse GSX
    12.533 @ 111.860 · 2G DSM
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  3. mattasi

    mattasi Proven Member

    639
    5
    Joined Feb 22, 2008
    Springfield, Oregon
    Yea you need fuel, with supporting mods...200-300whp
     

    610  0

    1997 Mitsubishi Eclipse GSX
    manual · 2G DSM
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  4. zcox122

    zcox122 Proven Member

    94
    1
    Joined Jun 26, 2012
    Davenport, Iowa
    What are you using to tune. And i would say do fuel before cams.
     
  5. KCz Eclipse

    KCz Eclipse Proven Member

    288
    0
    Joined May 1, 2012
    Kansas City, Missouri
    Yeah, sorry, i forgot to add the 190 fuel pump, and 750cc injectors. With all that what range of numbers should i expect?
     

    327  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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  6. zcox122

    zcox122 Proven Member

    94
    1
    Joined Jun 26, 2012
    Davenport, Iowa
    You can get around 300whp out of that.
     
  7. DSMBanditFZ6

    DSMBanditFZ6 Proven Member

    157
    1
    Joined Nov 17, 2011
    Somewhere, Arkansas
    Get a good dyno day in with dsmlink. Your probably pushing over 300hp. What psi you plan on boosting to?
     
  8. crazyquik22023

    crazyquik22023 Proven Member

    610
    5
    Joined Sep 14, 2008
    Akron, Ohio
    It depends on what dyno you use, dynojet or mustang dyno and how good of tune you have. What are you using to tune with? Dsmlink or just an air/fuel controller? With the list of mods you mentioned at around 18psi and a good tune, you should be able to make 275-350 to the wheels on a dynojet.
     

    850  0

    1998 Mitsubishi Eclipse GST
    12.900 @ 115.000 · 2G DSM
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  9. KCz Eclipse

    KCz Eclipse Proven Member

    288
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    Joined May 1, 2012
    Kansas City, Missouri
    What do you guys recommend i do. I just have a motoguys garage ecu, nothing special. I am going to look inside to see if anything has been done to it, or if it is chipable. If it is not chipable, should i get it coverted and chipped? I know nothing about the tuning side of the upgrading, i need some input on tuning.
     

    327  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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  10. zcox122

    zcox122 Proven Member

    94
    1
    Joined Jun 26, 2012
    Davenport, Iowa
    Dsmlink for tuning. Its not the stock ecu?
     
  11. DSM1G90

    DSM1G90 Proven Member

    4,839
    60
    Joined Apr 6, 2008
    Nampa, Idaho
    Have to be careful, for these responses are all guesses on here, not concrete answers.

    Put it together and report back to us what your results are.

    Otherwise, it can head to a bench racing topic.
     

    2K  0

    1990 Plymouth Laser RS Turbo
    · 1G DSM
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  12. KCz Eclipse

    KCz Eclipse Proven Member

    288
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    Joined May 1, 2012
    Kansas City, Missouri

    327  0

    1991 Mitsubishi Eclipse GSX
    · 1G DSM
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  13. preludeachris

    preludeachris Proven Member

    271
    1
    Joined Sep 29, 2011
    Lincoln, Nebraska
    I would get some sort of tuning solution before you get to carried away with those mods...I would recommend link since there is so much support for self tuners...thats just me ...lots of options.
     

    391  0

    1995 Mitsubishi Eclipse GST
    manual · 2G DSM
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  14. boost97gst

    boost97gst Proven Member

    2,803
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    Joined Apr 2, 2012
    st jacob, Illinois
    Its all in the tune and temperature at the time of the dyno to be honest. Its coolingoff so you should be able to make good numbers. You will get power-jaded super quick tho LOL and want way more. Just get a good reputable shop that knows link very well and dyno tune it. I would guestimate roughly 275-300
     
  15. xxNocturnalxx

    xxNocturnalxx Proven Member

    517
    9
    Joined Nov 5, 2011
    Tacomptan, Washington
    I guess I'll play along. 300whp, happy?ROFL
     

    Street Build 3K  5

    89 Mitsubishi Mirage
    11.746 @ 127.38 · 4G63t Swapped

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    89 Colt
    manual · 4G63t Swapped
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  16. rockysgsx

    rockysgsx Probationary Member

    22
    0
    Joined Jun 6, 2012
    Bismarck, North Dakota
    I have a 95 GSx and all stock motor with 3G lifters which isnt gonna increase hp but anyways all stock stock air intake with 16G and RC750 injectors along with dsmlink V3 plus 255 pump on 91 oct and all the supporting bolt ons to make a fully built motor go past 500-600 hp mark with 1000cc injectors and now my GT35 turbo i was making around 270-300 hp and that not with the big stuff i mention.. hope this helps but yes there are cars that have made 300 hp mark
     
  17. taberj47

    taberj47 Probationary Member

    24
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    Joined Aug 5, 2011
    martinsburg, West Virginia
    ^ i hope u realize 300hp in these cars is not a hard goal what so ever :thumb:
     

    163  0

    1995 Mitsubishi Eclipse GST
    · 2G DSM
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  18. Kapok6

    Kapok6 Proven Member

    1,230
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    Joined Aug 10, 2004
    Fort Worth, Texas
    Jackal or werewolf are another inexpensive option for tuning if you have an eprom ecu. It can be found ds-map.net
     
    Kapok6

    Street Build 2K  0

    1991 Mitsubishi Eclipse GSX
    11.3 @ 130.75 · 1G DSM
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  19. danielkile

    danielkile Proven Member

    44
    0
    Joined Jun 11, 2010
    York, Pennsylvania
    with all that 300hp easy with a good tune maybe even 325
     

    266  0

    1998 Mitsubishi Eclipse GSX
    manual · 2G DSM
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  20. SiNiST3R

    SiNiST3R Proven Member

    237
    0
    Joined May 10, 2004
    NorCal, California
    Really hp don't mean a damn thing here.. It would be more like will it run correctly after the mods. Lots of factors blah blah always under guess what you think you will make and thats how much you will make anything past that and it's a bonus. New cars these days out run many DSM I know.

    But GL Cheers!:thumb:
     
  21. JusMX141

    JusMX141 Moderator

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    842
    Joined Dec 13, 2005
    Greensburg, Pennsylvania
    No bench racing in the tech forums.

    Want to know how much power it makes? Bolt some sh** on the car, tune it, and take it to a dyno....or take it to the dyno and tune it while you're at the dyno- you choose. :D
     

    3K  0

    1998 Mitsubishi Eclipse GST
    manual · 2G DSM

    6K  14

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

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    1992 Eagle Talon TSi
    manual · 1G DSM

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    1993 Eagle Talon TSi AWD
    manual · 1G DSM
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