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spec c turbo?

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Old 03 May 2007, 09:23 PM
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easyscoob
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Default spec c turbo?
which turbo has the 05 spec c got?
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Old 03 May 2007, 09:31 PM
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MrRA
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Spec C has VF36 turbo. Twin scroll roller bearing unit.

Standard JDM STI's have the VF37 turbo. Twin scroll unit but uses a journal bearing instead.
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Old 03 May 2007, 09:36 PM
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easyscoob
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is that a straight swap for a vf 34?
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Old 03 May 2007, 09:44 PM
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No.
You'll need twin scroll up- and down- pipes plus a shaped oil sump and turbo support bracket.
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Old 03 May 2007, 09:46 PM
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MrRA
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Originally Posted by easyscoob
is that a straight swap for a vf 34?
As Butty has said no it isn't. In order to convert to a twin scroll setup you would need equal length headers, a new up and down pipe and a different sump.
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Old 03 May 2007, 10:14 PM
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easyscoob
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i will stick with the vf 34 tehn sheers guys
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Old 03 May 2007, 10:22 PM
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Whats the advantages/disadvantages between the VF36 and the VF37?
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Old 04 May 2007, 12:00 PM
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Originally Posted by bluenose172
Whats the advantages/disadvantages between the VF36 and the VF37?
VF36 uses roller bearings, whereas VF37 uses journal bearings. Roller bearings offers less friction so therefore turbo spool up is improved.
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Old 04 May 2007, 06:06 PM
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Simon 69
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Originally Posted by MrRA
As Butty has said no it isn't. In order to convert to a twin scroll setup you would need equal length headers, a new up and down pipe and a different sump.
Further to this: making a TS turbocharger work isnt that straightforward and while using Subarus pipework is a good start youll still need to map it properly, which easier said than done...
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