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Location:
Melbourne
Registered:
August 2003
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 Mods for my 3SGTE (92 ST185)
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Wed, 15 October 2003 07:32
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Hi there,
seeing as I have caused some damage to my turbo, it's time to play around with it.
I am thinking of a replacement down-pipe, hi flow or replacement turbo (Looks like I can get a brand new T04e for not much more that the hi-flow cost of the CT26 - is this a good turbo? be nice to me I am a ex V8 owner who has crossed to the darkside) and a custom manifold.
A visit to ATS is on the cards for tomorrow.
Right, the stock ecu. Can it be reprogrammed? OR can I get a piggyback for it to remap the fuel tables so I can safely increase the boost to 15 (or 20  ). What about using a ST205 or ST185 Grp A ecu??
Also longer term I would like to track down an ST205 (96 or later) front cut (or a rolling write off from Japan) and do an engine swap. Is feasible or a waste of time?? I will need a new motor in the next 6 - 12 months so I want to get one soon and have it professionally rebuilt. Basically I want 250 - 300 at all 4 wheels. Plus I want to be able to race around Winton at full boost without blowing the motor. Low 12's would be an added benefit (to stick it to my LS1 mates - I sold my 235rwkw VX SS to buy a play car).
Scud
1992 Toyota Celica GT4 "Grey Import"
Just started the mods!!
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Location:
Colac, Victoria
Registered:
May 2002
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Location:
Melbourne
Registered:
August 2003
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Re: Mods for my 3SGTE (92 ST185)
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Wed, 15 October 2003 21:14
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| Classique71 wrote on Wed, 15 October 2003 18:09 |
to get 250 - 300 at the wheels in a gt4 - you might as well mortgage your house right now  expect over 20K of work there - though believe me - 220 - 250awkw will destroy any commonwhore - HSV or not on the road
The Ecu's arent reprogrammable - if you want power - your better off looking at a microtech or autronic type unit - or even motec if you want the best oz makes ..
205 or 185 grp a ecu's are ok for 18 odd psi mapping but are limited to anythign further than that ..
engine wise - from my own recent askins - 205/205 head is marginally better for big HP - though i have a friend running a trd st185 block thats easily the most powerful gt4 that i know of on the road .. last dyno run was 264kw to the wheels - before using his Nitrous Setup .
his motor - so far - to develop - has cost him a good 1/3 of a new house
So - theres your options - build a super tough 220 ish awKW, and the handling package around it and have a bulletproof bruiser - Or - start saving big time - if your chasing the magical 300
My 2c
ps - just reading fineprint - was that 235 Flywheel KW ( ie a stock vx ss, thats what they came out with off the factory floor )- or a heavily modified Vx ss - you had
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My SS was 235kw at the wheels Best time at Calder and Heatcote was 13.1 @ 108mph, I had pretty much all the bolt on mods possible before opening the motor and changing the cam. I was looking at at blower (easy 400rwkw).
I'm going out to ATS this morning to have a chat to them and see what they can offer. Plus I have spoken with Ian at IDB and he has some ideas. I don't think the cost is as high as you think. Forged Pistons, TRD head gasket, aftermarket ECU, hi-flow turbo, etc. Should be able to run 20psi all day without blowing it's guts.
[Updated on: Wed, 15 October 2003 21:35]
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Location:
Colac, Victoria
Registered:
May 2002
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 02:36
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for a tough streeter its cheaper yes - but the one im speaking of is very much a one off .. hes done alot of research and testing of various parts to get where it is ..
neal bates motorsport gave me a quote of 15K for a " tough street motor " which i thought was a bit steep - but seeing they use the top shelf gear for their rallycars - they would know what it takes to build a bulletproof monster ..
a Gt4 - with around 220 - 250 should easily break into the low 13's ..
I think theirs guys on here who can back this up ?
Gary ?
necros ?
justen ?
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Location:
Melbourne
Registered:
August 2003
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 04:06
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| Classique71 wrote on Thu, 16 October 2003 12:36 |
a Gt4 - with around 220 - 250 should easily break into the low 13's ..
I think theirs guys on here who can back this up ?
Gary ?
necros ?
justen ?
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Damn, I wanted 12's!!! Hmmmm more thought required. I am looking at an aftermarket turbo so I think I am going to need a new ECU. Anyone selling a suitable one 
My concern is if I take the cheap road and just replace the turbo & manifold and a new ecu, with a view to doing the headgasket and pistons later, then knowing my luck I'll blow something up and cause more damage.
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Location:
Canberra
Registered:
August 2002
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 05:13
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once you start doing big mods like that you gotta start looking at ur drive train 2... because it was not ment to handle such a power increase
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Location:
Colac, Victoria
Registered:
May 2002
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 07:32
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talk to justen (justengt4) or gary (gee120), or even anhar (puffy) who are from this list - all have built - or are building big HP 3sgte's.
Im still in the learning phase - so they would probably be the best bets to tie down and bombard with questions
12's are capable - ive seen it before with alltrac vids from america - though got no idea what those guys did motorwise .
re the drivetrain - the components of the gt4's drivetrain are remarkably strong - much like the supras ..
They can handle big numbers - though some parts - like the gearbox in particular would need either beefing up - or a group a version slotted in ( this also helps with a shorter rations in the gearbox , triple and double syncros etc etc ). The rear diffs are identical on the australian ones - as the group A's - as ive found out recently - so thats a bonus, not sure about the JDM ones or grey imported ones.
Imagine what the WRC guys used - all that gear is basically sitting under the gt4 waiting to be unleashed ..
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Location:
Melbourne
Registered:
August 2003
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 08:23
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Thanks Stuart,
I've had a chat to Ian at IDB, he seems to be the best person in VIC when it comes to the 3S-GTE. He's given me some ideas. I've sent a post out on the GT4 mailing list. I have decided to get an aftermarket ECU and bigger turbo and work my way up from there.
Cheers for your help.
D
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Location:
Colac, Victoria
Registered:
May 2002
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 08:31
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nods - are you strengthening the internals any - or putting in a new clutch at the same time ?
clutch is a must dude - i cant stress that enough - Stock one owont handle bigger HP .. its heavy duty minimum ..
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Location:
Melbourne
Registered:
August 2003
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Re: Mods for my 3SGTE (92 ST185)
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Thu, 16 October 2003 09:36
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Already got a HD clutch  At this stage I am looking at the costs of putting in Forged pistons and headgaskets. I'm leaning towards leaving that for stage 2 and being a bit more conservative for stage 1 (ie keeping the boost down to 1 bar). But doing the computer & turbo now.
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