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How much to 'rotate the turbo'

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Old 29 August 2007, 03:53 PM
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Leg@cy
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Default How much to 'rotate the turbo'

I hope I've got this term correct?

I'm after a price on how much I could expect to pay.

I have a 2.5 with V3 heads, phase 1 inlet manifold and a 20g with FMIC

I'm considering this to allow better airflow to the turbo.

I understand that it would need work to the:

Down pipe
Up pipe
intercooler pipework

Not sure what else

Would appreciate some prices

I understand you can change the inlet manifold, but I wanted to keep most things where they are (alternator/powersteering/aircon) - so thought it may be an easier option ?


Many thanks in advance

Phil
Old 29 August 2007, 10:41 PM
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p1prodrive
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the inlet manifold realy needs reversing so that once turbo has been rotated you wont have any room for intercooler pipework (depending on what intercooler etc..)

matt
Old 29 August 2007, 10:44 PM
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Leg@cy
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Hi matt,


mmmmhhhhhhh thats one thing i wanted to avoid.......

I wanted to leave the majority of it alone..... with the intention of just easing the air restriction into the turbo......

Coz that's gonna be £££££s i ain't got

Phil
Old 29 August 2007, 11:23 PM
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phil - its not that exspensive tbh but it is a lot of trouble for your needs.

are you running a fmic or tmic ?

matt
Old 29 August 2007, 11:27 PM
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Leg@cy
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FMIC
Old 30 August 2007, 01:45 AM
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Neil..
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I did a similar thing with mine...a lot of trouble TBH...although I think it was worth it.

If you are looking to get someone to do the job for you, it could end up quite costly due to the time involved.
It is a case of trial and error, and trying to get everything to fit where it isn't originally intended to.

Here was my early attempt with an 18G turbo.
The angle of the turbo wasn't ideal, but it gives you an idea as to what it looks like.
The outlet from the compressor wheel comes out under the induction, and follows the chassis rail to the FMIC.
I think I measured about a 1 metre reduction in pipwork from turbo to throttle body when done this way.

Old 30 August 2007, 09:32 AM
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Thanks for that............... looks IMPRESSIVE !!

I'd have to get it done by someone..........

Looking for a few prices to compare first....... and I thought it may be easier/cheaper than an alternative (Changing the inlet manifold from a Phase 1)

Depending on costs will determine if it goeas ahead or not.....

Cheers

Phil
Old 30 August 2007, 09:44 AM
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You can buy kits to tilt the turbo from Roger Clark Motorsport and others too but the cost will be signifigant. There are probably better things to spend your money on if you want value for £ spent.
Old 30 August 2007, 09:46 AM
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I assume you want to twist the turbo as opposed to tilt it back.
Old 30 August 2007, 12:30 PM
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Hi Harvey,

Yes... I think twisting rather than tilting would be the correct term....

I thought it would be a 'simpler way' to ease the air intake .........

.... but it's not sounding so easy..... lol........ and it's sounding a few ££££'s

Thanks

Phil
Old 31 August 2007, 12:57 AM
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Generally, the air intake system is not a big restriction.
What you are planning is a lot of work and a lot of money,
Old 31 August 2007, 09:47 AM
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Could you put a figure on it ?

£100 ?
£250 ?
£500 ?
£1000 ?
£5000 ?

Cheers
Old 31 August 2007, 01:02 PM
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Neil..
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£1000....
Old 31 August 2007, 11:02 PM
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not so much then compared to what has already been spent
Old 01 September 2007, 09:30 AM
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It might be worth adding that there are bolt on units of making around 500 so unless your going over this for the sake of the cost versus gain you would be probably better leaving in the standard position selling the 20g and putting that towards a different turbo.

Old 04 September 2007, 10:31 AM
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Thanks for that...........

But I can't get away from thinking that as I have a Phase 1 inlet manifold..... it will never allow me to have a Front Entry Turbo 'as such' as It will require some sort of 90' bend...........

...... which I see as a potential restriction on the inlet side........ No ?

Any suppliers able to comment/respond ?

Cheers

Phil
Old 04 September 2007, 11:30 AM
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as said above, it depends on your goals with regards to power output. It only becomes a restriction at certain levels so if your not going above these then it is an uneccesary expense for no gain.
Old 04 September 2007, 01:06 PM
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WRXshaneWRX
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i was recently quoted £400 in north wales
Old 04 September 2007, 01:38 PM
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Neil..
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Twisting/rotating the turbo, along with rotating the inlet for £400.00..?

Bargain.

IMHO though, I don't think it released any more power on my car, it just removed about 1 metre of intercooler pipework from turbo to throttle body.

Which when you think that there is approx 3 metres from turbo to TB with a FMIC, is quite a lot.

I never suffered from any noticable lag though..
Old 04 September 2007, 07:53 PM
  #20  
The Fixer
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Forget it, the rotated up-pipe & downpipe will cost you £500 upwards and you wont gain that much on your 20G. Add to that, that most of these kits are for T3 flanged turbos like Garrett's not Subaru flanges and thats another spanner in the works. As mentioned earlier sell the 20G and maybe look at upgrading to an FP Green turbo to get nearer 500HP. You could always get the phase 1 manifold raised or modified to accomodate the front entry turbo and I'm sure it would be cheaper than a rotated kit.
Old 04 September 2007, 08:00 PM
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Thank you gentlemen
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