twin turbos?

willdog · Post by **willdog** » Sat Feb 13, 2010 10:23 pm

I did a search for any discussion regarding twin turbos being set up on n12's but came up with nothing.

Is a sequential set up possible from a 1.5 litre to spool the cute t2 for the low end ....and have a t28 take ova? Can it be done....and would it be any good?

Will.

Post by **Ash** » Sat Feb 13, 2010 11:00 pm

willdog wrote:I did a search for any discussion regarding twin turbos being set up on n12's but came up with nothing.

Is a sequential set up possible from a 1.5 litre to spool the cute t2 for the low end ....and have a t28 take ova? Can it be done....and would it be any good?

Will.

you need to have a chat with Ben Hewitson about that idea. he started making a sequential setup a couple of years ago but gave up. it is doable but really is a lot of fucking around!

baz · Post by **baz** » Sun Feb 14, 2010 11:09 am

Would be very interesting to see how one would go tho

dexi_styles · Post by **dexi_styles** » Sun Feb 14, 2010 12:58 pm

I really think if its what you want to do then be one of the first.

But i do beleive the T2 & T28 would be way too big for only a 1.5L I'd suggest a couple of amaller turbos

Here is a pick i stumbled apon the other day.. you could do something along the lines of....

Cheers,
Dexi

Post by **tassuperkart** » Sun Feb 14, 2010 1:13 pm

Can be done.
Worth it............?

If you want low down spooling and high end output, go the simple ans cheap setup with laughing gas and a big turbo.

Proven system, relatively cheap and simple to setup.

L8r
E

willdog · Post by **willdog** » Mon Feb 15, 2010 1:15 am

Cheers guys,

I think Nitrous will be more viable then. I will look into it.

Post by **Ash** » Mon Feb 15, 2010 3:46 pm

willdog wrote:Cheers guys,

I think Nitrous will be more viable then. I will look into it.

just make sure it is fully disconnected before driving on public roads! massive fine of you get caught with it hooked up.

Andjeti · Post by **Andjeti** » Mon Feb 15, 2010 7:24 pm

Ash wrote: just make sure it is fully disconnected before driving on public roads! massive fine if you get caught with it hooked up.

I've always wanted to do a Nitrous oxide installation ala Vin Diesel's RX7 in The Fast and The Furious. Hidden under the seat or some such thing.

Maybe under the back seat, Just drive with it turned off, when you are on the track, just rip out the base of the rear seat, turn it on and away you go.

Cherry Boy · Post by **Cherry Boy** » Mon Feb 15, 2010 7:51 pm

Wouldn' this setup make the smaller turbs choke?

dexi_styles wrote:I really think if its what you want to do then be one of the first.

But i do beleive the T2 & T28 would be way too big for only a 1.5L I'd suggest a couple of amaller turbos

Here is a pick i stumbled apon the other day.. you could do something along the lines of....

Cheers,
Dexi

unique_ET_N12 · Post by **unique_ET_N12** » Mon Feb 15, 2010 11:12 pm

It does yea, hard too tune I believe!! smaller turbos can't or arn't made to spin as hard as a bigger turbo!! thats why u wouldnt go a T2 turbo with a T28 lol.
alot of people get rid of twin turbo setups on those GTR skyline and go a single turbo setup, got about 5mates that did very high powered nissans with only single turbos..

Post by **Ash** » Tue Feb 16, 2010 2:51 am

unique_ET_N12 wrote:It does yea, hard too tune I believe!! smaller turbos can't or arn't made to spin as hard as a bigger turbo!! thats why u wouldnt go a T2 turbo with a T28 lol.
alot of people get rid of twin turbo setups on those GTR skyline and go a single turbo setup, got about 5mates that did very high powered nissans with only single turbos..

the whole idea of this sequential twin turb setup is to have both driveability down low and top end neck snapping power. most of us here know how shit low down driveabilty is with a big single on our n12's.

if one of us were to run into some extra money and were keen to go sequential then i reckon using an exhaust flap manifold with say a GT15 sized hurbo for low rpm to mid range then swap over to a GT28R sized hurb from say 3/5 to 4G upwards. just a rough idea.

like i wrote ealier, Ben Hewitson was the closest as far as i know to completing a sequential turbo setup on an E15ET. if someone can hunt him down then they will find a great fountain of knowledge on this subject.

unique_ET_N12 · Post by **unique_ET_N12** » Tue Feb 16, 2010 2:47 pm

some good people that have great connections, my mates at AutoMotive Performance at Acacia Ridge could help their too! very very smart guys

Panda_ET · Post by **Panda_ET** » Tue Feb 16, 2010 5:06 pm

unique_ET_N12 wrote:It does yea, hard too tune I believe!! smaller turbos can't or arn't made to spin as hard as a bigger turbo!! thats why u wouldnt go a T2 turbo with a T28 lol.
alot of people get rid of twin turbo setups on those GTR skyline and go a single turbo setup, got about 5mates that did very high powered nissans with only single turbos..

That doesnt make it the best option for GTR's though. Please look at the Mines Ultimate GTR still has twins and on a track would whoop the ass off the big single beasts .

Although saying that for such a small capacity engine not worth the time and efort unless your willing to do it all yoruself and willing to make a lot of mistakes in the process haha

n12sumfin · Post by **n12sumfin** » Tue Feb 16, 2010 7:06 pm

or what about twoogle first in the country for a 9 sec pass with low mounted twins.

JETETT · Post by **JETETT** » Wed Feb 17, 2010 4:53 pm

hmmmmmm very interesting i wonder how this sequential setup woud go on my stroker with lets say a gt2052 and a gt2860rs, iv mastered making equal length exhaust manifolds and i wouldnt mind making this setup

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