best turbo?

[lukach]

Which turbo should i use for my 650+whp goal.Car would be also daily driven.So i need fast spoolin turbo.S2 coupe (3b)
What do you think about that?

http://www.full-race.com/catalog/product_info.php?cPath=214_551&products_id=857&osCsid=26d9b5340e5db532ffa2ed9e945b8ccd

I'm searching between price/performance/spool any advise?

[sorens2]

If U want 650 HP and torque from 3000......... FORGET IT

This turbo will boost at 4700 rpm on a 2.2 L (On a good setup)
I run a GT30R 0.82 wich kicks in at 3800 (1.8 bar)

Søren S2

[Greg_S]

Yeah I have to agree, there is a trade off to be had. If you want that much HP it is going to be high up the rev range with a much narrower powerband than the stock. Allbeit alot more power in the power band.

It is always going to be a trade off, if you want the car for 1/4 mile and track driving it may be suitable but day to day you will probably want something that spools sooner.

You could look at a stroker which wont rev as much but will have a better torque characteristic.

[s2_bo]

Which turbo should i use for my 650+whp goal.Car would be also daily driven.So i need fast spoolin turbo.S2 coupe (3b)
What do you think about that?

http://www.full-race.com/catalog/product_info.php?cPath=214_551&products_id=857&osCsid=26d9b5340e5db532ffa2ed9e945b8ccd

I'm searching between price/performance/spool any advise?

Try this one:



bigassturbo.jpg

[Jamo]

fast spool and 650 whp? somebody pass this man some coffee as he needs to wake up.

Forget it mate, your best bet is a GT3076 for spool arond 3500-3700 and over 500 bhp.

[s2_bo]

That was only a joke! - i guess my German humor is waisted on here...

[Jamo]

? my post wasn't aimed at you Bo

[Ross]

Is this what you had in mind Bo?

[s2_bo]

LOL... yeah spot on...

Alternatively, as the S2 has so much free engine bay space i think a twin turbo project would be better.
These should be suitable for this:

These are capable of holding 70 bar!

turbo.jpg

[aronmatic2]

i have gt30r on my car i am using .82a/r hotside. i have serious power from 4500rpm.
i used .63a/r hotside. serious power comes from 3700rpm but 50hp less on high rpm.

now i go back to.63 a/r hotside. much better on street.

[diesel des]

Any power graphs with both turbine options? I have a 30R with both housings, but which to use on stock bottom end? Im thinking the larger may be better to reduce torque and so stop rod bending???

[AndersS2]

Is this what you had in mind Bo?

hahahahah!

looks like these guys got their hands full of turbo!

[Efini]

I'm also considering a turbo-swap.

Is it possible to get one that will deliver power from about 3200-3300rpm and still be up for 500hp?

[repo]

It is, with e.g. Innovative Sh55.

We dynoed 500Nm at 3800rpm (peak 610Nm at 4600) and 470hp. Will go past 500hp if pushed.

~300Nm at 3100rpm

And that was with journal bearing.