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Turbo noob question

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TEX
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2011/11/23 16:54:38 (permalink)
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Turbo noob question

I'd like to know what is a good cheap option for a low-mid boost application for a 2ltr motor. Also one that is easily obtained second hand and easily installed, I'm thinking an internal gated turbo is easier from a custom fabrication point of view. I dont want to spend much and would consider replacing with another second hand turbo rather than rebuild. I've seen wrx ones go cheap on feebay, what about SAAB's or mitsubushi evo's and even the 180-200sx family of turbos.
Happy to receive any advice.
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    spigot
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    Re:Turbo noob question 2011/11/23 18:37:52 (permalink)
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    WRX turbos are crap, they are on the small side due to the crappyness of the boxer engine.  Plus they use a odball flange pattern.
     
    200sx s14 or S15 turbos would be best.  I think from S14.5 they are ball bearing and an improved overall turbo.  These are Garrett and can be easily hi-flowed or replaced.  These turbos use a common flange.
     
    Otherwise a RB20 or RB25 turbo, the RB20's are getting really old though.
    #2
    Phil
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    Re:Turbo noob question 2011/11/23 18:59:29 (permalink)
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    S14 or S15 is my vote...ticks all boxes.

    Boost...The Natural Enemy of Traction!!!
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    TEX
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    Re:Turbo noob question 2011/11/23 21:30:38 (permalink)
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    Is a new one like this a waste of time? $350 landed seems ok and reasonable finish to it all.....
    http://www.ebay.com.au/itm/T04B-0-60A-R-T28-0-86A-R-GT28-TURBO-CHARGER-/220899971362?pt=Motors_Car_Truck_Parts_Accessories&hash=item336eaa1122 
     
    or is it better / cheaper to go Secondhand? 
    I know if I can get one with all the pipes it will save some fabrication and cost for fittings, 
    #4
    rs turbo
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    Re:Turbo noob question 2011/11/24 00:22:43 (permalink)
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    hi mate a s14/15 is a good idear also look at the chinse way as well very cheap and not to bad as long as the boost is not of the hook...
     
     http://www.ebay.com.au/itm/260881861012?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

    Scs motorsport
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    #5
    TEX
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    Re:Turbo noob question 2011/12/08 12:59:48 (permalink)
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    Well I've been looking and the options are boggling, I'm trying to find a good used t28 of the S15, but even this seems complicated, with lots of variables. Then there is the occasional genuine Garret, GT2860 or 2870, rs and r's and etc.
    Even the T25  might be useful, I get the idea it fits in the same spot as a t28 so I could upgrade to a T28 later without reworking things? 
    What is a GT SS turbo, is that compatible physically with the T28 and T25?
    Is it accurate that a T28 is bushed and a GT28 is ball bearings?
     
    Thanks
     
    #6
    TEX
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    Re:Turbo noob question 2011/12/12 22:16:53 (permalink)
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    well I dived into it and looked at 2 t28's this arvo, the first was apparently BB but wasn't and was in rough nick, the second one kind of threw, he swore blind it was T28 but it just looked small. turns out its a rb26 turbo, small but hope it will meet my needs. Does anyone know if I go to the effort of custom exhaust flanges can I upgrade to a bigger T28 without mucking around and refabricating?. The one I have is a te2701, ar42...
    #7
    spigot
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    Re:Turbo noob question 2011/12/13 22:40:43 (permalink)
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    An rb26 turbo will be on the small side, it is effectively a 1.3L turbo.
    #8
    esky79
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    Re:Turbo noob question 2011/12/14 06:57:49 (permalink)
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    Do u kno if it is an r32 gtr turbo or r33 gtr turbo?
    I would tru and get a t28 straight up there cheap n will save the mucking around...
    Check out nissansilvia.com theres always t28s for sale up there

    EXTREME CUSTOM ENGINEERING : 3274 3700, 0412 432 546
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    #9
    TEX
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    Re:Turbo noob question 2011/12/16 19:35:29 (permalink)
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    so what is the go is the te2701 bigger than the stocko t25 or close?
     
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    spigot
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    Re:Turbo noob question 2011/12/19 17:31:56 (permalink)
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    A gtr turbo while better than a ca18 turbo is just too small in the turbine sizing. It's only worth a slab of beer because it is a very specific turbo that is not very suitable outside that app
    #11
    TEX
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    Re:Turbo noob question 2012/05/22 11:16:17 (permalink)
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    ok so I have bought a GT28rs, what is the concensus for compression ratio for 2 ltr zetec, there is a decent piston rod combo that offers 9.0:1 is this too high for the turbo I have? Running pretty much stock internal otherwise, no cams etc.
     
    #12
    Luke
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    Re:Turbo noob question 2012/05/22 13:57:05 (permalink)
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    I think that could be a nice motor, what management are you planning?

    Previously known as SANTA
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    esky79
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    Re:Turbo noob question 2012/05/22 15:28:17 (permalink)
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    9.0:1 will be fine if ur running 98ron pump fuel and 20psi boost... I wouldnt push it past that... Unless u run e85

    The turbo wont like boost over 25psi anyways so u should be fine...

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    TEX
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    Re:Turbo noob question 2012/05/22 18:36:53 (permalink)
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    cool, thats what I wanted to hear, So plan is to use a haltech sprint 500, although there is a good local product moristech, one of those two I think.
    thinking single throttle body setup of the rs1800 escort, but it wont leave much room for an intercooler. So thinking water injection might be any option but i think i'll try a small top mount or no intercooler at all to begin with, I really hate hacking up classic cars, for that stuff. Tell me, am i crazy to consider no Intercooler? I'm not chasing massive hp, just a nice streetable engine, 200 rwhp would be nice.
    #15
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