Silvia Club of NSW

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PostPosted: Mon Jan 05, 2009 9:26 am 
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Twin T66
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Joined: Tue Jan 23, 2007 7:15 pm
Posts: 1288
Car: 1990 Nissan Silvia
Hiya guys, long time no see, well with the purchase of my new car, I'll be letting my old silvia run out of rego. I've never really had the intention of doing this, but only seems fair to keep such a shit car to fix up.

I'm in the middle of writing a full buildup, but in the mean time I'll give you guys the simple details. My idea is to build up a sr20de+t track car, utilising the higher compression engine to achieve ~200kw and play with it at wakefield.

It is a 1990 Nissan silvia
NA s14 SR20de engine
coilovers etc strut braces

It has problems , front end is all smashed up and needs a new gearbox (shattered 3 gears and throw bearing)

Recently just purchased second hand
Highmount manifold
Oil lines
front mount intercooler
S14 gearbox
ballbearing t28 with a genuine 33000km

Ideas

I'm thinking It would be a good idea to upgrade ignition, such as the purchase of a spitfire coilpack.
Seemwelding? Kinda not needed really?

More coming soon..
Can anyone sugest a good ecu combination? aftermarket or chipped?

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PostPosted: Mon Jan 05, 2009 10:12 am 
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Twin T04
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Joined: Fri Jun 16, 2006 6:51 pm
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Location: Rouse Hill, NSW
Car: R34 GTR Vspec II Nur
Real Name: Brett
high mount t28? sick as

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PostPosted: Mon Jan 05, 2009 11:26 am 
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Twin T51
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Location: Rouse Hill
Car: coon
Don't bother upgrading the coilpacks unless they're stuffed, even then, stock replacements are you usually sufficient.
You won't need to seam weld if all you're looking to do is get out on the track.
I think the best thing to do is to make the car driveable at least, don't worry about modding it yet, spend the money on tyres and track days.

Also, whats the deal with top mounting the t28? that means you bought a t2 flange top mount manifold, and there isn't a t2 flanged turbo worth top mounting, even if you were looking to upgrade later on. It also means you're getting custom cooler piping made up.

ECU depends on your budget, a nistune chip is the best value for money at the moment.

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PostPosted: Mon Jan 05, 2009 12:11 pm 
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Overlord
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Joined: Thu Jan 31, 2002 11:00 am
Posts: 4360
Location: Leading
Car: DeathWagon + Sil80 + Nugget
Turf the top mount and get something that mounts the turbo in the standard location.
All you are going to achieve by going topmount is having to pay heaps extra for custom dump, intake, cooler pipes whereas if you left the turbo in the standard location, you could buy off-the-shelf parts.
You need to take the approach of leaving things standard unless it is REALLY necessary to change them

Also you will struggle to get 200rwkw out of that turbo with that engine. The compression is too high to run the boost it will need to make that power.
To run the 15-17psi you will need to make 200, you will need to pull so much timing out that you will lose bucketloads of power

Dumhed couldn't get more than 160rwkw out of his due to this issue

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Sil80 - SR20DET 231rwkw
Silvia Race Nugget - SR20DET 225rwkw
Stagea - DeathWagon - RB25DET 185rwkw.

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PostPosted: Mon Jan 05, 2009 12:28 pm 
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Twin T66
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Joined: Sat Apr 30, 2005 12:42 am
Posts: 1218
Location: North Sydney, NSW
Car: 1988 Nissan Silvia Ks
Don't forget you have to tap the block for the lines for the turbo, which needs to be done with the engine out.

I've been researching the +T conversion a bit and it seems that, unless you are a mechanic, it is just as costly as a DET conversion.

That said, if there is anyone out there who wants to help me do it from start to finish for cheap/free, send me a PM. :D


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PostPosted: Tue Jan 06, 2009 1:37 pm 
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Takumi
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Location: building!
Car: Silvia
since it'll be in pieces anyway, weld everything you can get to.

For reliability you'd be better off with a DET setup, but the DE+T will be ok if you do it right, and don't push it too hard (200rwkw is out of the question)

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PostPosted: Tue Jan 06, 2009 9:18 pm 
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Quad T88
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remember if u want to run coilpack setup you gotta install the CAS as well :)
topmount T28.. lol its even funnier when you see it in person. dont bother with top mounting it, its just for wank factor. (if that matters to you, get ext gate then :lol: )


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PostPosted: Mon Jan 12, 2009 1:51 pm 
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T51 Hybrid

Joined: Thu Dec 18, 2003 10:51 pm
Posts: 361
Location: Sydney
Car: S13 Silvia
Make sure you 'plan' out the build from the get go and get as much advice from the people that know and have done what you are planning (as you are doing now).

It also pays to have an idea of what you want to achieve at the end ie is it 1:07 or 1:10 at Wakefield or a 200rwk car or is it just some fun at the track? This will help guide the build and hopefully have you doing it right first time.

By the sounds of things, turboing the DE is not the best idea. Play with the DE first and then if you really want 200rwk get a DET and drop it in.


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PostPosted: Sun Apr 19, 2009 7:36 pm 
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T28

Joined: Mon Feb 16, 2009 9:24 pm
Posts: 31
Location: nortthern beaches
Car: silvia
im running a sr20de+t with a custom t28 on 13psi it mad 189rwkws and its been going sweet with a t25 i was making 158rwkws its definetly do able

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PostPosted: Wed Jul 01, 2009 7:22 pm 
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T28

Joined: Mon Feb 16, 2009 9:24 pm
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Location: nortthern beaches
Car: silvia
200kws outta the question???? i made 220kws on 15.5psi with a t28 its do able you just need to know what your doing and a good tuner

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PostPosted: Wed Jul 01, 2009 10:42 pm 
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Moderator
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Joined: Mon Sep 08, 2003 11:21 pm
Posts: 5731
Location: Sydney
Car: WGNC34,S14,AE86
was that on an DE+T or a DET engine? the latter is not a surprise,the former would be.


Justin...

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Last edited by fergo308 on Thu Jul 16, 2009 10:18 pm, edited 1 time in total.

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PostPosted: Thu Jul 16, 2009 9:56 pm 
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T28

Joined: Mon Feb 16, 2009 9:24 pm
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Location: nortthern beaches
Car: silvia
it is a de+t engine and what does that mean ^^^^^

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PostPosted: Thu Jul 16, 2009 10:17 pm 
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Joined: Mon Sep 08, 2003 11:21 pm
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Location: Sydney
Car: WGNC34,S14,AE86
what needs explaining? that 220kw atw isn't a surprise out of an SR20DET or that I'd be surprised that an SR20DE with a turbo bolted to it wouldn't be detonating,and doing it's best to melt it's internals trying to put out the same power as the proper turbo engine makes easily?

others have tried it,I've yet to see it work. but that's a discussion for elsewhere.


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PostPosted: Fri Jul 17, 2009 10:16 am 
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Quad T88
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Location: gatesville
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if it ain't blown now, it will surely fast track it to death.


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PostPosted: Fri Jul 17, 2009 10:30 am 
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T78

Joined: Mon Mar 27, 2006 10:31 pm
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Real Name: xxxxxxx
The topmount in my s13 is great, and with extra long braided lines it takes 15 mins to take the turbo off, good for gasket issues


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