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Top 2GNT Technical Turbo/Nitrous Tech topic #12916
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Subject: "Making my GS boost better." Previous topic | Next topic
dSTARm619Jan-01-02 10:42 AM
Old School 2GNTer
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#12916, "Making my GS boost better."


          

What suggestions would you make to make a GS go faster with a Star 2 kit turbo? I have a Stage two star kit but im not really satisfied with the performance yet. Its way faster than before but I want more. For all you guys with a Boost Controller did it really help out? I'm only pushing 4 psi because of my intercooler dropped the pressure. Please help me how to put up my boost. And what are you psi settings??



BLACK 1999 OZ GS

(MODS)
18" TENZO-R SHU 10
STAR KIT
SINGLE BLITZ BOOST CONTROLLER
A/F & BOOST GUAGE
WEAPON R COILOVERS
APEX N1 EXHAUST
VORTECH FMU
STA

  

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Replies to this topic
RE: Making my GS boost better., randy, Jan-01-02 12:12 PM, #1
RE: Making my GS boost better., dSTARm619, Jan-01-02 12:23 PM, #2
      RE: Making my GS boost better., randy, Jan-01-02 12:58 PM, #3
RE: Making my GS boost better., RyaN95i4, Jan-01-02 01:29 PM, #4
RE: Making my GS boost better., Spin_Daily, Jan-01-02 01:35 PM, #5
      RE: Making my GS boost better., dSTARm619, Jan-01-02 06:47 PM, #6
      RE: Making my GS boost better., dSTARm619, Jan-01-02 06:50 PM, #7
      RE: Making my GS boost better., dSTARm619, Jan-01-02 06:52 PM, #8
           RE: Making my GS boost better., HadesOmega, Jan-01-02 07:05 PM, #9
           RE: Making my GS boost better., RyaN95i4, Jan-02-02 06:43 AM, #10
           RE: Making my GS boost better., randy, Jan-01-02 07:56 PM, #11
                RE: Making my GS boost better., TeamJasonESi_T, Jan-02-02 02:49 AM, #12
                     RE: Making my GS boost better., whodatt1, Jan-02-02 03:02 AM, #13
                          RE: Making my GS boost better., Kory, Jan-02-02 03:10 AM, #14
                               RE: Making my GS boost better., Spin_Daily, Jan-02-02 04:21 AM, #15
                                    RE: Making my GS boost better., speedracer21, Jan-02-02 04:32 AM, #16
                                         RE: Making my GS boost better., dSTARm619, Jan-02-02 08:33 AM, #17
                                              RE: Making my GS boost better., Spin_Daily, Jan-02-02 11:04 AM, #18
                                                   RE: Boost, Semperboost, Jan-02-02 01:29 PM, #19

randyJan-01-02 12:12 PM
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#12917, "RE: Making my GS boost better."
In response to Reply # 0


          

Exhaust system 2.5inch minimun if you don't have already. MBC $50-100. Boost to 7 psi.

96 RST: Star Performance stag
05 scion xb: bolt ons
92 nissan 240sx
07 toyota sienna

  

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dSTARm619Jan-01-02 12:23 PM
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#12918, "RE: Making my GS boost better."
In response to Reply # 1


          

will 7 psi be safe??



BLACK 1999 OZ GS

(MODS)
18" TENZO-R SHU 10
STAR KIT
SINGLE BLITZ BOOST CONTROLLER
A/F & BOOST GUAGE
WEAPON R COILOVERS
APEX N1 EXHAUST
VORTECH FMU
STA

  

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randyJan-01-02 12:58 PM
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#12919, "RE: Making my GS boost better."
In response to Reply # 2


          

Yes it should be safe. I've been running 7psi on my stage 1 w/starion IC for 7months. On your kit did it came with the inline fuel pump?

96 RST: Star Performance stag
05 scion xb: bolt ons
92 nissan 240sx
07 toyota sienna

  

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RyaN95i4Jan-01-02 01:29 PM
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#12920, "RE: Making my GS boost better."
In response to Reply # 0




          

whats the star wastegate set at? 5 or 6 lbs? run the wastegate signal hose directly off the intake manifold to make up for the intercooler pressure drop.

95 Avenger
ATX->MTX Swap
Holset HX40 @ 26 psi

  

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Spin_DailyJan-01-02 01:35 PM
Member since Nov 27th 2001
91 posts,
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#12921, "RE: Making my GS boost better."
In response to Reply # 4




          

i have been running 9psi on my stage 2 for awhile now.


aka:dsm1



email is xlt98ondubz@earthlink.net

  

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dSTARm619Jan-01-02 06:47 PM
Old School 2GNTer
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#12922, "RE: Making my GS boost better."
In response to Reply # 5


          

Yes, I have a walbro 255lph fuel pump and a vortech fmu.



BLACK 1999 OZ GS

(MODS)
18" TENZO-R SHU 10
STAR KIT
SINGLE BLITZ BOOST CONTROLLER
A/F & BOOST GUAGE
WEAPON R COILOVERS
APEX N1 EXHAUST
VORTECH FMU
STA

  

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dSTARm619Jan-01-02 06:50 PM
Old School 2GNTer
136 posts,
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#12923, "RE: Making my GS boost better."
In response to Reply # 5


          

Do you have a HRC or STAR Spin_Daily????



BLACK 1999 OZ GS

(MODS)
18" TENZO-R SHU 10
STAR KIT
SINGLE BLITZ BOOST CONTROLLER
A/F & BOOST GUAGE
WEAPON R COILOVERS
APEX N1 EXHAUST
VORTECH FMU
STA

  

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dSTARm619Jan-01-02 06:52 PM
Old School 2GNTer
136 posts,
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#12924, "RE: Making my GS boost better."
In response to Reply # 5


          

Sorry one more question when you boost it up from 4 to 7 psi did it really make a dramatic difference in horsepower and the feeling of the car?



BLACK 1999 OZ GS

(MODS)
18" TENZO-R SHU 10
STAR KIT
SINGLE BLITZ BOOST CONTROLLER
A/F & BOOST GUAGE
WEAPON R COILOVERS
APEX N1 EXHAUST
VORTECH FMU
STA

  

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HadesOmegaJan-01-02 07:05 PM
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#12925, "RE: Making my GS boost better."
In response to Reply # 8


          

haha your stuck in the same boat as me, I need a boost controller too. emoji

Does that really work plumbing the wastegate to the instake manifold? Where does the one on the turbo go them? Or is that that delta mode the manual is talking about. Anyway just get a boost controller, I'm down to 4psi now also thanx to the intercooler.


http://www.hadesomega.info -car specz and movies 95 Eclipse RS | 76' 280Z | 89' MR2 | 99 Neon | 91 Zephyr
Who sez FF can't drift?

  

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RyaN95i4Jan-02-02 06:43 AM
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#12926, "RE: Making my GS boost better."
In response to Reply # 9




          

cap off the nipple on the compressor, or else ull have a boost leak. u can get the caps at discount auto for like 97 cents for a box off 3


95 Avenger
ATX->MTX Swap
Holset HX40 @ 26 psi

  

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randyJan-01-02 07:56 PM
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#12927, "RE: Making my GS boost better."
In response to Reply # 8


          

You'll be amazed what 3psi can do.

96 RST: Star Performance stag
05 scion xb: bolt ons
92 nissan 240sx
07 toyota sienna

  

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TeamJasonESi_TJan-02-02 02:49 AM
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#12928, "RE: Making my GS boost better."
In response to Reply # 11


          

I can discern a big difference from even 6 to 7.5 psi. Beware guys, when it gets cold, theoretically, you should richen up your mixture b/c more air molecules can be compressed in the same amount of area in warm weather thereby creating a larger demand for fuel.

Since our injectors are already being taxed to their upper limits (as well as any walbro fuel pump at "high" pressures), increasing boost might be something you want to be careful with.

Put it this way, I would be cautious in taxing the stock fuel system with anything over ~230-240 @C/HP with either turbo.

_____________________________________
Jason ESi-T

04' BMW 325Ci
91' Nissan 240SX
98' Eagle Talon ESi (sold)

  

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whodatt1Jan-02-02 03:02 AM
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#12929, "RE: Making my GS boost better."
In response to Reply # 12




          

like they said check the number on the westgate to see what srping you got.(might have the 5lb spring and that is why you are running less)
then you can connect the vacuum hose directly into the intake manifold and not into the compressor like it says to do. (it does work!)

and if you want to spend some $$ buy a boost controller. just don't get boost happy.

and lastly.. YES you will notice the difference.




-97 GS (First project, 299 whp)(sold)
- 97 RS 2.6 last numbers: 306hp, 352tq @16psi (Dead, parted out)
- 99 GS OZ, Hahn Kit, 56k miles (Sold)
--------
- 00 Nissan Maxima GLE (Daily Driver)
- 02 Audi A4 1.8T Quattro

  

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KoryJan-02-02 03:10 AM
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#12930, "RE: Making my GS boost better."
In response to Reply # 13


          

boost 8psi daily man! that's safe as long as u provide enuff fuel.

96RS ~ full 99GS Special Edit. body conversion, aem cai, greddy header, greddy sp exhaust, afx pulley, B&M sS, magecores & NGKs, S-AFC, A/F and Volt guages, Sparco Torino Seat, illuminas, prokits, ingalls camber, gunmetal GS rims, ST Sways, STBs, lower rear tie bar, Sony Xplode head, Xplode 10 disk, Boston Components, 2 Kenwood amps, 12" MTX sub, a shit load more.

97GSX ~ K&N FIPK, Greddy IC Piping, Type S bov, and free mods. To all the haters _|_ tia

The Original 2GNT []D[][]Y[][]D


96 RS


97 GSX

  

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Spin_DailyJan-02-02 04:21 AM
Member since Nov 27th 2001
91 posts,
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#12931, "RE: Making my GS boost better."
In response to Reply # 14




          

i run a STAR stage 2 for over a year now.


aka:dsm1



email is xlt98ondubz@earthlink.net

  

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speedracer21Jan-02-02 04:32 AM
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#12932, "RE: Making my GS boost better."
In response to Reply # 15


          

I wish mine held up for 2 yaer emoji oh well..

  

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dSTARm619Jan-02-02 08:33 AM
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136 posts,
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#12933, "RE: Making my GS boost better."
In response to Reply # 16


          

Well on my wastegate their is a sticker that says 7. Is that the max boost I can push it to? If I want to put up my PSI will I have to get another wastegate that goes up to 10??? One more question, if I take that vacuum from the intake turbo housing and connect it to the intake manifold what will it do?



BLACK 1999 OZ GS

(MODS)
18" TENZO-R SHU 10
STAR KIT
SINGLE BLITZ BOOST CONTROLLER
A/F & BOOST GUAGE
WEAPON R COILOVERS
APEX N1 EXHAUST
VORTECH FMU
STA

  

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Spin_DailyJan-02-02 11:04 AM
Member since Nov 27th 2001
91 posts,
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#12934, "RE: Making my GS boost better."
In response to Reply # 17




          

7 just means you have a 7lb spring in the wastegate. which will allow you to boost only 5lbs psi w/o a boost controller. You dont need another wastegate for awhile, just get a boost controller.


aka:dsm1



email is xlt98ondubz@earthlink.net

  

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SemperboostJan-02-02 01:29 PM
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#12935, "RE: Boost"
In response to Reply # 18


          

Just tighten your spring all the way down. If you're just boosting 4 lbs like I am you won't need a boost controller. Your wastegate won't start openning until it reaches max boost. Unless you are boosting past 7lbs then you will feel a difference in 7lbs w/ bMBC and 7lbs w/o MBC. I'm sorta stuck in the same boat as you guys - Had a stage I and it ran great - instant boost!...then I gotta Starion I/C and no more instant boost. I got most the usual turbo upgrades exhaust and wires. Exhaust ups the boost but more importantly spools faster and the wires made it smoother. The only thing I can think of is ignition - but I'm not paying $300 for a MSD. I would get rid of my intercooler and switch back to stage I but It looks so damn good with the I/C with my andy's front end.

Alvin

Alvin

http://www.cardomain.com/id/96rst

  

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