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Old Mar 20, 2004 | 12:17 PM
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i am after a new turbo as mine seems to be on its last legs. im after something HUGE to slay all subaru drivers. im willing to spend between
£1000 upto £1800 pound on a big daddy of a turbo. any help will be good
cheeRS
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Old Mar 20, 2004 | 12:44 PM
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you havnt really said about what spec you have??
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Old Mar 20, 2004 | 05:21 PM
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exhaust,viper air filter,green inj,chipped,3bar map,rs500 intercooler,adj boost,and a bigger turbo
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Old Mar 20, 2004 | 05:23 PM
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What sort of compression ratio??? engine work ie head etc?! low/comp or standard?!?!?! WIth greens you can get upto about 380 with a t34 mate.
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Old Mar 20, 2004 | 05:56 PM
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Compression ratio and headwork/cams are critical when you decide to go over 400 bhp
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Old Mar 21, 2004 | 09:17 AM
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as far as i know its had no head work its just standerd with those parts on it. cheeRS
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Old Mar 21, 2004 | 09:38 AM
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If your sticking with the spec you listed mate then theres no point going for bigger than a t34
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Old Mar 21, 2004 | 11:18 AM
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You could go with a t4 for 400bhp but this is pretty much the limit with standard head/cams
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Old Mar 22, 2004 | 05:24 PM
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ok thanks for the help. how much would i be looking at for a t4. if any one knows and where the best place would be to get one thanks
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Old Mar 22, 2004 | 07:52 PM
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get a t34 on it - its a good compromise between power and lag
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Old Mar 23, 2004 | 06:35 AM
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i will think about it
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Old Mar 23, 2004 | 05:55 PM
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What about the t38 which seems to have appeared lately. Apparently its got more power for not much more lag.
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Old Mar 23, 2004 | 06:37 PM
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Theres a T4 on ebay £600
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Old Mar 24, 2004 | 03:42 PM
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where can i get some info on this t38 turbo
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Old Mar 24, 2004 | 06:35 PM
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turbo technics , or do a search on this website as there has been some discussion about it.
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Old Mar 25, 2004 | 05:22 PM
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thanks
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Old Mar 25, 2004 | 05:34 PM
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T38 is a good turbo but the head has to be ported to combat surge issues
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Old Mar 25, 2004 | 08:38 PM
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http://www.turbodynamics.co.uk/

‘The Ultimate Turbo for Cosworths’
Manufactured to fit 2WD & 4WD Sierra Cosworths, RS500 & Escort Cosworths.
Hybrid turbocharger – Part No. MD240
All units are hand built and blueprinted to exacting tolerance for each customers needs.

Specification

1. 48 trim, 93865S specification TO4E 76mm high flow compressor wheel with 53mm inducer diameter.

2. 0.70 A/R compressor housing with 3 or 4-inch diameter inlet & 2.5 inch compressor discharge for maximum air
flow capability.

3. Left hand threat shaft with GT28 series 76 trim ‘low inertia’ Inconel turbine wheel, fitted with a racing ‘Staggered
Gap’ total seal ring to stop oil seepage caused by large bore or low backpressure exhaust systems.

4. Modified bearing housing fitted with angular contact twin roller bearing cartridge for maximum thrust load
capability and fastest ‘spool time’.

5. Specially modified turbine housing, 0.61 A/R with ported & polished inlet throat.

6. Optional uprated actuators (any pressure) fitted to strengthened welded on aluminium actuator bracket.

7. Compact GT28 bearing housing assembly for optimum water and oil cooling efficiency.

Note. Requires modified oil feed pipe and oil drainpipe. Oil feed adaptor fitting and oil return flange
supplied with turbo.

What you can expect for your money

1. Boost pressure starts @ 1,800 - 2,000 R.P.M.

2. Full boost (limited) 2.1 BAR @ 2,800 R.P.M.

3. No drop in power @ 6,700 R.P.M.

4. Increase in torque and horsepower over the TB34 unit through the entire rev range.

5. A conservative 450 BHP potential.

Re-mapping is a must with this unit, as the standard ignition map will not keep up with the fast spool up time of this
unit. Performance will vary depending on engine specification such as camshafts etc.
Any use?
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Old Mar 26, 2004 | 06:39 AM
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yer should be thanks
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