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T4 2.5TDI bi-vnt-turbo

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shadowmaker View Drop Down
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    Posted: 03 Jan 09 at 00:39
The build up has started. Recepy:

-Evo3 head. It will be taken as far as it needs. Currently using Evo2 with bigger valves etc.

-New intake manifold.

-Performance cam. This will be something new and maybe it will need multiple takes to get it right.

-Twin turbo setup: I'm going to stick with the current one (gt23v-AMG) and add another vnt, gt37v to it. Luckily I have a big trunk... Things will be electronically controlled. This is the hardest part. I hope I get it right. For you that haven't ever seen a gt37v, this one is HUGE. Even HX50 is small compared to it.

-Additional A/W cooler.

-Fueling mods to get power up to 6000rpm, but I think I'll eventually need an additional pump to keep that bigger turbo happy. That's not going to happen with this build as this is too tricky as it is.

-New rods, lighter/modified pistons, knife edge crank.

-Lightweight SMF + twin carbon disc clutch. This is going to be the worst part for driveability.

-New gearbox with some exotic stuff in it: longer 1st, LSD from WRC Focus, dog engagement.

-330mm brakes in front + 8 pot calibers.

-Original rear discs + 4 pot calibers.

-Anti-lag system.

-Weight shaving up to 200kg, but that big turbo isn't going to make it easy (as it weights about 40kg).

-New angel-eye lights with custom look in the nose section. 6xHID.

I think I have almost every part ready, but it's not going to be a walk in the park...

Van:
http://i5.tinypic.com/455m13p.jpg

Old engine compartment with 350hp, 700Nm:
http://i16.tinypic.com/2laep0n.jpg

In action:
http://www.youtube.com/watch?v=hkSTslJf7Z4
http://www.youtube.com/watch?v=BDUgkusl6Uk
VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote m666blp Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 09 at 08:35
nice. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote monsho Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 09 at 08:48
ooof
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jason k Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 09 at 09:05
thats quick!!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Baxter Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 09 at 14:06
Nice to see you here, I've followed your rambling on other forums!
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tee4 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 09 at 21:04
Twin...turbo. And I thought Garlic bread was the future

Edited by Tee4 - 03 Jan 09 at 21:25
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ELVIS Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 09 at 21:23
Originally posted by Baxter Baxter wrote:

Nice to see you here, I've followed your rambling on other forums!
 
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  Take it same from 'freds' , audifans etc etc ?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fast crew cab Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 09 at 06:22
Man that thing hauls along. does it have a mechanical fuel pump, efi or pdi type set up?
 
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shadowmaker View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 09 at 09:00
Original TDI with custom made 12mm rotor head (11mm originally) and race520 nozzles. With the build I'm going to try to find bigger nozzles with more holes on them (now 5).
VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote veedubdaz Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jan 09 at 20:03
I just love it Big smile
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Post Options Post Options   Thanks (0) Thanks(0)   Quote VWT5 Vanman Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 09 at 00:03
Nice motor, love the quarter mile time :D that would put some of my friends cars to shame lol. You seem like the man to talk to when it comes to bhp out of a 2.5.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 09 at 08:17
Tearing it apart.





New Isotta chairs.



THE turbo.Wink





VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jan 09 at 10:03
Intake will be looking something like this (left one). Long runners are going to be taken from D24 Volvo (6syl).



Here's some pics of the home made collector.



Small end.


Also decided to make a girdle to beef up the bottom end.
VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote taigagreen Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jan 09 at 16:07
Simply crazy :D Kyllä!!!
Tage is my name :D
Too many T3's...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jan 09 at 17:44
Originally posted by taigagreen taigagreen wrote:

Simply crazy :D Kyllä!!!


It's always nice to see two dots above "a" or "o" as that means then you aren't far away from home.Smile

BTW, we are building almost similar T3 too. It has VW's 2.4L inline six IDI engine with two vnts and uses Porsche gearbox. +350hp hopefully...


Edited by shadowmaker - 19 Jan 09 at 22:41
VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 04 Feb 09 at 17:20
Here's my new dual disc clutch. I'm a little afraid how it is going to behave...



Here's a donor for my dual plenum intake. Runners are 50cm long.


VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote m666blp Quote  Post ReplyReply Direct Link To This Post Posted: 04 Feb 09 at 20:33
are you going to equalise the air to all five cylinders in the plenum.
nice collector btw.




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shadowmaker View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 05 Feb 09 at 06:12
Originally posted by m666blp m666blp wrote:

are you going to equalise the air to all five cylinders in the plenum.
nice collector btw.


That is my goal with dual plenum intake. With diesels (unlike gassers) too much fuel without cooling air will destroy your engine.
VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dub dub campers Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 09 at 11:47
It must be the way the Vodka is filtered, that makes you finish go that "little bit further"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote shadowmaker Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 09 at 18:48
Originally posted by dub dub campers dub dub campers wrote:

It must be the way the Vodka is filtered, that makes you finish go that "little bit further"


We have a long winter here and nothing to do.LOL

Some progres.





I think the old one served for some four years IRC.
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VW T4 2.5TDI 370hp, 750Nm http://www.youtube.com/watch?v=hkSTslJf7Z4
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