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400bhp turbo: Seeking the holy grail.

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Old 15 September 2016, 06:44 PM
  #61  
Scooby_Lee101
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Originally Posted by CharlesTuna
Fitted it to my GF8 so had to chop clutch fluid resevoir down a bit, could do with getting a later one that's remote also used blobeye tmic mounts that were adapted a little. .STi strut brace fouled on the Grimmspeed speed TMIC due to 8mm manifold spacers so replacing it with a Cusco "flat" one that seems to fit just right.

Will sort some pics out for a project thread, before and after wise . .I was running std 2.0 v6 STi lump with VF28 should be around 280bhp/260ftlb . .dropped in a 2.1 with v6 sti heads and SC46 with the Grimmspeed TMIC 1st mapping session after 1k mile run in was getting 384hp/330ftlb . . .will be getting mapped again when I hit 3k miles

Very nice result ,

so in theory it should be a nice snug fit in my 53 plate Blob eye ?
Old 15 September 2016, 07:35 PM
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banny sti
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Originally Posted by semih
Anyone try spec c twin scroll manifold, custom t4 twin scroll up pipe and bw efr series or sxe series?

I think efr 6758 is fine
I have a custom twin scroll setup using an efr7670 and its epic
Old 15 September 2016, 07:41 PM
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TS setup aside, is it a 2.1 Banny? Std v.5/6 heads...or AVCS from a New Age?

(Apologies; I know you've posted the spec elsewhere. )
Old 15 September 2016, 07:43 PM
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banny sti
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Originally Posted by joz8968
TS setup aside, is it a 2.1 Banny? Std v.5/6 heads...or AVCS from a New Age?

(Apologies; I know you've posted the spec elsewhere. )
No worries, its a destroked 2.5 making it roughly 2.35ish with factory 2.5 avcs heads
Old 15 September 2016, 07:53 PM
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Ah yes.

So you still have the 2.5s relatively thin(ner) cylinder walls, then. No troubles?
Old 15 September 2016, 07:58 PM
  #66  
banny sti
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Originally Posted by joz8968
Ah yes.

So you still have the 2.5s relatively thin(ner) cylinder walls, then. No troubles?
Block is pinned, heads have been wire ringed and its running 14mm studs. Engine has previously ran 642bhp so I'm only tickling it
Old 15 September 2016, 08:01 PM
  #67  
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Originally Posted by banny sti
Block is pinned, heads have been wire ringed and its running 14mm studs. Engine has previously ran 642bhp so I'm only tickling it
Ha. I was gonna ask, did you go the belts and braces route. Sorted.
Old 16 September 2016, 06:47 AM
  #68  
semih
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Originally Posted by banny sti
I have a custom twin scroll setup using an efr7670 and its epic

I know your car and it's beautiful, i like your setup also videos


If anyone look for 400hp, twinscroll, avcs and good turbo will be the key for fat powerband

I think jdm v10 spec c dual avcs heads and efr must be test
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