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readosnr

Auckland Member
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Posts posted by readosnr

  1. something to factor in here is that the RS-RA is "hand crafted by sti" while the sti models up to ver2 were "tuned by sti". in regards to these early sti models the cars went from FHI factory to the sti factory then to the dealer, where as the ver3 onwards STI engine were built on the same line as the wrx engines etc

     

    what this means is that the pistons are probably Rare A.F to find the actual real deal or info on what they were from factory.

    even all the parts catalogues will show the wrong pistons without the correct FHI parts bulletin.

     

    for comparison sake assume all pistons from said cars are from something else unless proof the engine is original rsra/ v1-2 sti and un opened etc etc

    • Like 2
  2. google probably wont be too much help as that sort of info is not readily available (unles you work for FHI possibly, or have reaserched all chassis numbers of all subarus cars and recorded all of them). ive looked into said research and each model year would take me approximately 12 months of research :( 

    the option code is a sub category of the model code basically

    it seems the prodrive v7 was only really the same option code. the only difference was there may have been blue or white options

    ie some earlier models had base models and option code models. some option codes specified a/c, elec windows, roof scoop etc but ive lost my train of thought

     

    option codes on early model stis were more relevant as they specified the difference between a standard wrx and a sti model sent to the factory to be "sti tuned"/ modified ie v1/v2 sti and sti ra

     

     

     

    • Like 1
  3. ive had a Singapore spec shell before and it was an "export model" so it had a JF1GC.... type vin number

    pretty sure the Singapore STI models were export models (similar to the aussie spec cars) in which they were built at a lower spec than the JDM cars.

    not sure of the complete list of differences but you can be sure a JDM STi is of substantially higher spec

  4.  webup']

    [quote name='webup said:

    anyone know the ratio please?

    /quote]

    depends on your spec

    the JDM BP/BL legacy with the EJ20X engine had either a 3.272 or 3.583 rear diff ratio

    So they came with either? do you happen to know what criteria changed which option went into what model?

    no i dont

    for some reason it depends on the model only

    GT, GTB, and all the other GT models (there are quite a few in japan)

  5. now this is where it can get confusing for the uneducated

    up to V9 (i think) if you purchased a New STI from a Subaru dealer in NZ you would get a JDM spec car. same as the Legacy GT B Spec. NZ was/is the only country outside of japan to get the Japanese spec cars brand new (i beleive), which makes other countries jealous and green with envy. the legacy gt the aussie's got was one that had no bilsteins, plain bumper and 17' wheels- that will make up for giving us all those 2.0 vl commodores while they got the 3.0 turbo- now im wondering off path......

    then when the V10 came along i dont remember what models Subaru nz bought in new. i beleive they may have started with the aussie spec 2.5L

    the Aussie spec cars AKA export market cars have a 17 letter chassis number like jf1gdfkd35g017237. i beleive all the sti's that fall into this category had single scroll turbo's.

    the jdm cars (wether they be nz new or imported used had a GDB-017235 chassis number

  6. The v8/v9/v10 sti (JDM) all uses the twin scroll vf37 turbo except for the aussie spec cars (aka nz new) which uses a single scroll turbo on both ej207 and ej257 engine

    the 6 speed gearbox mostly stayed the same except, with the same final drive ratio on the JDM spec cars except for the fact the v10 had a drop gear in the transfer, so rear diff changed

    they all had the brembo brakes, and r180 diff

    the v8 had a 5x100 stud pattern which changed to a 5x114.3 with the v9 and v10

    visually the v9 looked like the v8 except for the spats on the rear 1/4

    mostly the interior stayed the same, as did the body shell. the v9 and v10 had alloy rear lateral arms. some v8 models had the darkened dashcluster like the v9 and v10

  7. tonight we won a auction for a impreza hatch from chch

    we have to get it to auckland so looking at either flying down and driving up or getting it put on a truck.

    either way we could find some space in the car coming up

  8. yeah dmsrex is right do it in reverse

    with the adjusting shims/lifters you may find that the sohc legacy had adjustable lifters, where as your v3 sti will have shim over buckets. to replace these you need to pull the engine out and check valve clearances, then buy shims to suit.

    i do have a range of shims available if you need any

    has the heads/cams been off it at any point?

  9. that car is a MY05

    it basically is the same as a JDM wrx or a NZ new wrx.

    trim will basically be the same. brakes look to be 4pot and 2 pot

    will still have the ej205 engine, but possibly a different turbo

    will probably have a different final drive ratio.

    i would go for a JDM car over this particular singapore version

  10. as found in model information post

    MY01 Sedan "version 7" MY01 Wagon "version 7"

    GDAA4CD  セダン WRX NB GGAA58D  スポーツワゴン 20K

    GDAA4CT  セダン WRX NB GGAA58T  スポーツワゴン 20K

    GDBA4EH  セダン WRX STi GGBA5EH  スポーツワゴン STi

    GDBA4DH  セダン WRX RA-STi

    MY02 Sedan "version 7" MY02 Wagon "version 7"

    GDAB4CD  セダン WRX NB GGAB58D  スポーツワゴン 20K

    GDAB4CT  セダン WRX NB GGAB58T  スポーツワゴン 20K

    GDAB4HT  セダンWRX NB-R GGBB5EH  スポーツワゴン STi

    GDAB4HT  セダンWRX NB-R

    GDBB4EH  セダン WRX STi

    GDBB4FH  セダン WRX STi type RA spec C

    GDBB4FH  セダン S202 STi version

    GDBB4KH  セダン WRX STi PRODRIVE

    GDBB4JH  セダン WRX STi LIMITED

    MY03 Sedan "version 8" MY03 Wagon "version 8"

    GDAC48D セダン WRX GGAC58D スポーツワゴン WRX

    GDAC48T セダン WRX GGAC58T スポーツワゴン WRX

    GDBC4EH セダン WRX STI

    GDBC4FH セダン WRX STI spec C

    GDBC4FH セダン WRX STI spec C Limited

    MY04 Sedan "version 8" MY04 Wagon "version 8"

    GDAD48D セダン WRX GGAD58D スポーツワゴン WRX

    GDAD48T セダン WRX GGAD58T スポーツワゴン WRX

    GDAD4HD セダン WRX 2003 V-Limited

    GDBD4EH セダン WRX STI

    GDBD4FH セダン WRX STI spec C

    GDBD4JH セダン WRX STI 2003 V-Limited

    MY05 Sedan "version 9" MY05 Wagon "version 9"

    GDAE48D セダン WRX GGAE58D スポーツワゴン WRX

    GDAE48T セダン WRX GGAE58T スポーツワゴン WRX

    GDAE4HD セダン WRX WR-Limited 2004

    GDAE4HT セダン WRX WR-Limited 2004

    GDBE4EH セダン WRX STI

    GDBE4EH セダン S203 STIversion

    GDBE4FH セダン WRX STI spec C

    GDBE4FH セダン WRX STI spec C WR-Limited 2004

    GDBE4FH セダン WRX STI spec C TypeRA

  11. heres some info for you

    GC8D, GC8E, GF8D, GF8 E (so "ver 3" and "Ver 4") all have the same BARE heads

    this includes the ej20G puss model engine, EJ20k both wrx and sti versions and 22b all have the same heads during V3 and V4 build years. what differs is everything that bolts to them like valves (2 types), cams (3 types), lifters etc

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