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Old 07 January 2008, 09:28 PM
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stevie1982
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Default 2004 uk wrx

guys just a quick one

what power can a 2004 uk wrx engine take, on the standard internals without pushing it too much?

would it take around 340-350bhp or any more or any less?

steve
Old 08 January 2008, 08:40 AM
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Henrik
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anything up to 400bhp apparently (AndyForrestPerformance - 01-05 UK/Euro WRX)
Old 08 January 2008, 10:40 AM
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wow thats higher than i thought it would of been
Old 08 January 2008, 12:14 PM
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Tidgy
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personaly i would change the turbo to a vf34/35 and then not go further untill you get a rebuild and new gearbox ect, as said on the site, it may take it or it may not, so depends if you can afford to risk the need for a rebuilt engine and gearbox, if you can afford the risk the save money and just go rebuild now, saves money in the long run.

how you go i think realy depends on how far you plan to mod to
Old 08 January 2008, 12:56 PM
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ok thanks

i was thinking of uprating the turbo to be fair not too keen on running the risk of popping anything but saying that if i was worried about cash etc i would of been looking at a fiesta or corsa lol

thanks for your help

steve
Old 08 January 2008, 01:56 PM
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jasonius
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Originally Posted by Tidgy
personaly i would change the turbo to a vf34/35 and then not go further untill you get a rebuild and new gearbox ect, as said on the site, it may take it or it may not, so depends if you can afford to risk the need for a rebuilt engine and gearbox, if you can afford the risk the save money and just go rebuild now, saves money in the long run.

how you go i think realy depends on how far you plan to mod to
Good advice..

A newage WRX works very well with a VF34/35 and the usual right supporting mods and should produce a 'safe' 330bhp (+/-20hp) with similar/slightly less torque.

This, if the car is looked after the way it should be, even if standard, should
be well within the engine/gearbox's capabilities, making a very quick fast road car..

You will need to address the standard brakes however..!
Old 08 January 2008, 02:11 PM
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breaks are uprated disks and pads for the moment lol
Old 08 January 2008, 02:13 PM
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as for the vf34/45

the 2004 uk wrx engine has been fitted into a 99 uk turbo!

will the above turbo be a direct fit or will it need to be moddified in anyway

as i am unsure about this

steve
Old 08 January 2008, 02:24 PM
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Varboy
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straight fit....
Old 08 January 2008, 03:57 PM
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what turbo fitiment is it?
90 degree or front entry?

so i assume it will be the same for the td04 already fitted. but what i am confused on is there much difference between the parts from a 99 uk turbo engine and turbo to a 2004 uk wrx engine and turbo? if that makes sense!

also will i need any gaskets or sealant or such things new washers etc etc?

steve
Old 08 January 2008, 04:04 PM
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vf34 will be front entry
Old 08 January 2008, 05:12 PM
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Tidgy
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y did the wrx engine get put into the classic shell, or was it a cheap replacement after it wne tpop?
Old 08 January 2008, 05:49 PM
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yep you got it in one, went pop and then was used as a replacement, plus a selection of supporting mods, fmic, 550 injectors, spacer on manifold, induction kit, fpr, uprated fuel pump. full decat,

thats why i was asking regarding power issues and the turbo to see what options there could be as i think most of the supporting mods are there, (correct me if i am wrong) but i did not want to fit a turbo if i was missing anything or it would lead to any major issues regarding reliabilty (another engine poping) or something similar

steve
Old 08 January 2008, 06:02 PM
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Tidgy
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sounds reday for the turbo then, def worth looking at oil coolers though
Old 09 January 2008, 09:46 AM
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really never hd one fitted what are the gains in these and are they easy to instal? what is a good location etc without moving too much
Old 09 January 2008, 10:46 AM
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no gains whatso ever performance wise, just keeps the oil temp where it should be even on cooking hot days, pain in the **** to fit so got mine fitted by scoobyclinic
Old 09 January 2008, 01:14 PM
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Henrik
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worth keeping in mind that some people end up with surge issues with a vf34/35 and a fmic.
Old 09 January 2008, 01:29 PM
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sorry surges issues?

sorry never had a fmic b4 what does that mean exactly?

will i not get it with the tdo4 as well?

steve
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