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Old 07 September 2007 | 12:19 PM
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Default What turbo?
Which turbo is quick on the spool up and good for around 400bhp, for a MY05 Sti??

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Old 07 September 2007 | 12:42 PM
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You'll always lose some spool when you go for a bigger turbo, but a TD05 20g wil meet your bhp requirements.
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Old 07 September 2007 | 01:47 PM
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cheers
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Old 07 September 2007 | 02:44 PM
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Id say you would have to be lucky to get a 20g to make 400bhp ?
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Old 07 September 2007 | 06:21 PM
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Originally Posted by renno rannes
Id say you would have to be lucky to get a 20g to make 400bhp ?
didnt andy forrest have a td0520g on his ra at 440bhp?
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Old 07 September 2007 | 07:28 PM
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The weapon of choice for newage 2.5l engines and that sort of power seems to be the MD321T.


M
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Old 07 September 2007 | 08:43 PM
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I think that was on race fuel or Meth. If I was to take a guess Id say 85% of 20g turbo's dont make 400.

The MD321H Seems to be the banker for 400 or a TD06-49 is suppose to be a 400bhp turbo also.
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Old 08 September 2007 | 12:52 AM
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The H version is more for the 2 litre engine I understand, and the T for the 2.5l


M
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Old 08 September 2007 | 12:19 PM
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From: Isle of Sheppey, Kent - FSTi/TTR V6 DSG
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Originally Posted by _Meridian_
The H version is more for the 2 litre engine I understand, and the T for the 2.5l


M
Yep, but Mark has implied that a lot of people are going for H on a 2.5 for almost no lag at 400.....tough choice when they are the same money....I know 'cos I made the choice!
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Old 08 September 2007 | 06:17 PM
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I wasn't aware that lag was an issue for the T on the 2.5? I know it is on the 2 litre, but I though the 2.5 was OK?


M
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Old 08 September 2007 | 07:28 PM
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I dont think lag 'is' an issue on a T, its just that a H on a 2.35/2.5 will be almost lag free, and considering a T can get up to 1.6bar at 2600rpm I am looking forward to see what the H does!
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