Impreza GR Series (2008+)

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Impreza GR Series (2008+)

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5 posters

    whats the standard turbo?

    P4UL
    P4UL


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    whats the standard turbo? Empty whats the standard turbo?

    Post  P4UL Sat Sep 11, 2010 9:35 pm

    Just curious really, I see IHI written on the compressor housing but thats about it.
    Rob
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    Post  Rob Sun Sep 12, 2010 6:36 am

    IHI VF48 is the standard turbo Cool
    wrxtony57
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    Post  wrxtony57 Sun Sep 12, 2010 8:30 am

    What about the WRX Rob?
    Rob
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    Post  Rob Sun Sep 12, 2010 9:20 am

    not sure Tony I'll have a look and let you know Very Happy
    never had any issues whatsoever with the wrx's so I dont really know there just to reliable Wink
    wrxtony57
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    Post  wrxtony57 Sun Sep 12, 2010 9:49 am

    Reliable? I do hope your right. Even when they are uprated!
    Rob
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    Post  Rob Sun Sep 12, 2010 10:42 am

    wrxtony57 wrote:Reliable? I do hope your right. Even when they are uprated!

    Never had one back yet only just for a service Shocked shame the sti wasnt the same Crying or Very sad
    P4UL
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    Post  P4UL Sun Sep 12, 2010 12:28 pm

    Rob wrote:IHI VF48 is the standard turbo Cool

    Is this a good size turbo compared to others in the VF range?

    Rob
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    Post  Rob Sun Sep 12, 2010 2:42 pm

    mine hit 380 without any hassle so its quite a good turbo, just prone to cracking in the exhaust housing
    avatar
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    Post  A Thu Sep 16, 2010 2:15 pm


    Hey guys is the VF 48 sleeve bearing ? Someone 'thought' they were roller bearing ?

    Whats the facts please ?

    A
    Rob
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    Post  Rob Thu Sep 16, 2010 3:45 pm

    A wrote:
    Hey guys is the VF 48 sleeve bearing ? Someone 'thought' they were roller bearing ?

    Whats the facts please ?

    A

    The one Thats failed at work looks like a roller bearing to me scratch
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    Post  A Sun Sep 19, 2010 9:00 am


    Can anyone clarify please ?

    Yes its a sleeve bearing ?

    No its a roller bearing ?



    Rob if you dont know..... who will ?

    A
    Rob
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    Post  Rob Sun Sep 19, 2010 9:37 am

    Plain sleeve bearing Wink

    stripped it out at work and had a peek inside
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    Post  A Sun Sep 26, 2010 10:22 am


    Thanks for that Rob, I was hoping you'd say that.

    So any decent ball bearing turbo will easily outspool the vf48.

    Martyn at Enginetuner said that the sc46 on JaySti's car was reaching full boost on the road at 3100k revs.

    A good improvement over the standard setup and with 450bhp to boot.


    Also been reading up on intake silicon hoses... apparently the Perrin version is the daddy of all due to the steel coils within it preventing any distortion and 'sucking in' at high power. Many other cheaper pipes have issues...

    Perrin say that their intake will give up to 250rpm earlier spool and an increase in bhp and torque of up to 10 of each... sounds promising.

    Something else to put on the list...


    A
    vulnax
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    Post  vulnax Sun Sep 26, 2010 11:32 am


    Is this the intake hose from turbo to air box?
    So should fit with CAIK ??
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    Post  A Mon Sep 27, 2010 2:36 pm

    V

    Yes

    A

    PS. Gotta ask... are you modding a standard engine ?

    A genuine 350/350 should be the safe limit on the hyperneuticrap pistons.... otherwise expect tears
    vulnax
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    Post  vulnax Mon Sep 27, 2010 4:28 pm

    A,

    Looking for parts for now and the future.

    At the moment it IS as std Subaru Sti motor... getting an Andy F remap shortly with sport decat 3" going to std PPP exhaust box, AEM CAIK , but for later the headers and the intake hose for best eficiency.

    Thanks for the tips mate!

    V

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