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Old 11 December 2011, 06:14 PM
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Sleiper STI
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Default Forged 2.5 what turbo?

going forged 2.5 CDB so was just interested to see if anyone has done this what turbo you got and what figures?
Old 11 December 2011, 06:20 PM
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alcazar
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Forged but not cdb.
HS TD05 20g.
740cc injectors.
FMIC.
Tubular headers, matched Harvey Smith up-pipe.
Huge HKS induction kit.
LINK ecu remap by Bob Rawle.
Original UK 98 heads.

Around 400/400

And if it's laggy, I can't feel it
Old 11 December 2011, 06:21 PM
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rev.chris
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what u need is a md321h turbo
Old 11 December 2011, 06:22 PM
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alcazar
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Need? Why need?
Old 11 December 2011, 06:22 PM
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rev.chris
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im selling one lol
Old 11 December 2011, 06:23 PM
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alcazar
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LOL, good one.

If you are selling for a decent price, then yes, he should buy it, providing it's in good nick?
Old 11 December 2011, 06:26 PM
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rev.chris
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its new an un-used, i'll find the link to my add
Old 11 December 2011, 06:28 PM
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rev.chris
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https://www.scoobynet.com/subaru-par...ew-unused.html
Old 11 December 2011, 06:45 PM
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MartynJ
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Originally Posted by Sleiper STI
going forged 2.5 CDB so was just interested to see if anyone has done this what turbo you got and what figures?
For sub 500bhp the SC46 is amazing on a 2.5, for anything bigger go rotated and use a Clinic Billet 35R.

Martyn
Old 11 December 2011, 06:58 PM
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WhiteWagonMan
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Cant go far wrong with those recomendations thats for sure.
Old 11 December 2011, 07:41 PM
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ukpaisley
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I am going for a td05-20G , will see the high side of 370 with very fast spool. If I had the option I would go for a better 20G and aim for 400 or so with the same spool up.
Old 11 December 2011, 07:54 PM
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I have VF48 but hoping to get the MD321 mid next year as want to push 500bhp and mine maxes out at 430 i believe?
Old 11 December 2011, 07:55 PM
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Originally Posted by rev.chris
im selling one lol
Just see this lol, how much??
Old 11 December 2011, 08:06 PM
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rev.chris
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theres a link a few posts up in this thread with pics an info
Old 11 December 2011, 08:12 PM
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how about a gt30 billet ??

Last edited by scooby2.5maz; 11 December 2011 at 08:13 PM. Reason: spelling !!
Old 11 December 2011, 08:22 PM
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md321v tried and tested
Old 11 December 2011, 08:46 PM
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Harryr34
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SC50 billet on my 2.0 at the moment if you want it, approx 6 months old covered 2k road miles £950
Old 11 December 2011, 08:52 PM
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ronniej85
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ive got a md321t on mine running 400 and 440lbs at 1.6 bar probs go more next remap not sure tho lol
Old 11 December 2011, 09:01 PM
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Harryr34
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Originally Posted by ronniej85
ive got a md321t on mine running 400 and 440lbs at 1.6 bar probs go more next remap not sure tho lol
Fancy a swap? I'm thinking of going for a smaller turbo
Old 11 December 2011, 09:13 PM
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ronniej85
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Originally Posted by Harryr34
Fancy a swap? I'm thinking of going for a smaller turbo
whats it good for mate big bhp and will it be a strait swap
Old 11 December 2011, 09:26 PM
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Harryr34
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Originally Posted by ronniej85
whats it good for mate big bhp and will it be a strait swap
510/450 @ 1.8bar on my stock 2.0sti8 16% meth/v power mix, 483/4** @ 1.7bar v power at SRR... Still on my car car at the moment just thinking of going slightly smaller as it doesn't look like I'll be going larger cc anytime soon... How old is your T?
Old 11 December 2011, 09:30 PM
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ronniej85
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think its done around 5k miles had 2.5 ltr cosworth bottem end rebuild with nitrated crank
will it fit on 2.5 ltr
Old 11 December 2011, 09:52 PM
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Harryr34
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Originally Posted by ronniej85
think its done around 5k miles had 2.5 ltr cosworth bottem end rebuild with nitrated crank
will it fit on 2.5 ltr
Sounds like a nice build! The SC50 is a standard fit turbo with a 60mm inlet, what size is the inlet on your T?
Old 11 December 2011, 09:56 PM
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ronniej85
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Originally Posted by Harryr34
Sounds like a nice build! The SC50 is a standard fit turbo with a 60mm inlet, what size is the inlet on your T?
havnt got a clue mate
Old 11 December 2011, 10:00 PM
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Harryr34
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Originally Posted by ronniej85
havnt got a clue mate
lol drop me a pm whenever if you're interested, if not i'll probably leave it on there for a while, sorry OP for hijacking your thread
Old 11 December 2011, 10:02 PM
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ronniej85
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Originally Posted by Harryr34
lol drop me a pm whenever if you're interested, if not i'll probably leave it on there for a while, sorry OP for hijacking your thread
will do mate and yeah sorry op
Old 12 December 2011, 08:50 AM
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Originally Posted by MartynJ
For sub 500bhp the SC46 is amazing on a 2.5, for anything bigger go rotated and use a Clinic Billet 35R.

Martyn
What he said!

SC46 is THE turbo to have if you want sub 500 on a 2.5.

To give you some idea: my experience is that it spools better than a VF35 on my old 2.0 and produces 470/480.

If you have a CDB maybe you're going for even more ompf though?

Ns04
Old 12 December 2011, 11:22 AM
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ukpaisley
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CDB on a 2.5 - ? SCDS or OD, pinned ect, there is alot of talk on turbos on this forum, at some point someone will have to put up a chart with engine type , turbo , 1 Bar @ - RPM , and expected bhp/Tq.

I think for a road car my experience is that the power needs to be on tap just over 3K to 3.5K.
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