34 replies to this topic

[R33GTR]

Hey,

Just looking for some opinions here, ive got a 33gtr and its been suggested by alot of people to ditch the twin turbo setup and go for a big single turbo (not discussing engine management/fuel etc)

personally i like the idea of twin turbo, thats the way it was made so it should stay that way. but getting rid of all that extra pipe and having a bay you can work in is a big plus.

What do you guys think?

[kitamijin]

Depends what you want to use it for. Having a big single will give you a heap of power from about 4000rpm which is good for drags etc. If you only drive around the street or want to compete in sprints etc keep the twin as it will give you consistant power throughout the rev range and easier to drive

Best person to talk to would be Ian, he has a R34GTR and has just done a rebuild for the sprints up at Makotrac. I think his username is Nurspec.

Edited by kitamijin, 08 June 2010 - 02:56 PM.

[2JZZZZ]

Depends what you want to use the car for? Have you got any aims? Drag, overall streetability, do you want to get a decent clutch and launch it all the time?

[R33GTR]

its not sequential twin, they spool together, I want it for street use

[Charger]

That's right. Gtr are not sequential set up. Go single if your changing. Less plumbing. Less lines. Less shit. Wouldn't do it just because. Small single will spool quick to. So that's irrelevant also.

[wraith]

Yes but a small single cannot replace a twin turbo setup. To replace it would require a bigger single which would mean increased spool time. If you wanted to go stealth I know Garrett have a replacement turbo which for the life of me I cannot remember. Uses the same factory piping etc, but obviously provides more power. Also can handle more boost.

[starlet666]

a well sized single will make good power and come on nice, though as a street car only with maybe occasional sprint use and such i would b sticking with twins.... small twins might work out that little bit more exxy but done right man u will still b fast point to point.... just look at the two06l gtr it still had twin turbos and dipped in2 the 9's also... it really just depends on exatly what u want, how much power u wish to make, AND how much coin ur willing to drop in2 it

[sinister]

It also would run from 6 ports instead of 3, like stock turbos do. If you think a single could not spool as quick as twins there something wrong with you. It's all about getting the right option for your set up and needs. You don't NEED to put on a T51R to replace stock twins.

[starlet666]

sinister, on 08 June 2010 - 05:02 PM, said:

It also would run from 6 ports instead of 3, like stock turbos do. If you think a single could not spool as quick as twins there something wrong with you. It's all about getting the right option for your set up and needs. You don't NEED to put on a T51R to replace stock twins.

lol i was thinking about saying it matt but i thought everyone knew basic mathmatical skills to work it out for themselves....

[hirpm boostjunky]

twins are cheaper in the long wrong. and look stock in the engine bay.. you can buy twins for around 2400 brand new from a few suppliers that will bolt straight on with no need to change oil lines/water lines or anything like that, a single even doin it properly on the cheap will cost you around the 4000-5000 mark.

twins will spool much more linear compared to a single both are capable of the same thing you just need to decide weather you want bling or not. you can have a single that will make the most responsive 400rwhp or the big 1000hp... twins are the same very responsive 400hp or the big 1000hp

bare in mind it costs you roughly 10 to 15g for a full basic performance rebuild on an rb26, they have oiling problems that need sorting too.

[hirpm boostjunky]

basically pick a power goal, and what you want to do with the car, than speak to someone who knows what there talking about and choose a turbo combination from there, the most common setup that bolts straight on is the -5's(comfortable 380-420rwkw) and the -7/-9's (comfortable 300rwkw up to 350rwkw depending on motor spec) botth of those turbos bolt straight on and will cost you around 2400-2500 depending on where you shop

in comparison for single you'd be looking at either gt3076 280-320rwkw, gt35r 330-380rwkw, than t04z which will make 380rwkw up to 450rwkw depending on motor spec,

your looking from 1500 for the 3076, 35r is around 1650-1700, and 2000 for the t04z...... sure the turbo sounds cheaper.. but all of these are external wastegate so add from 500 to 1000 for a wastegate depending on size and spec

THAN you have to get a manifold built to suit these range from 300bucks for a cheap shit crappy spit worthy china manifold up to a 6boost or ETM manifold which are 1200 (well worth the money, however a VERY similar high quality product is being made locally for cheaper if you know the right people )

than also.. you need a custom dump pipe/front pipe(400-500)

custom intake pipe and intercooler pipeing (500(to suit map) and a bit more to suit AFM as the intake pipe is a bitch merging 2 afm's into one intake)

than you also need to look at high quality oil and water lines and a custom oil drain which are around another 450-500bux.

THE ONLY reason i vote for goin to a single is the pure fact its easy to work on and looks more aggresive

dont think ive missed anything...

and for crying out loud..all that extra pipework.. there is nothing wrong with it, you can change it all cause you want too.. it wont make any noticeable difference, its a gtr with ITB's not a f**king gtst with that *look at me im swearing* of a cross over plenum.

[R33GTR]

http://cgi.ebay.com/...sQ5fAccessories

what about this

[wraith]

That kit is US only. Also it is around $1600 aus.

[starlet666]

and if u like to stick cheap shit on that will fall apart in a few months... go for it

[hirpm boostjunky]

starlet666, on 09 June 2010 - 05:01 PM, said:

and if u like to stick cheap shit on that will fall apart in a few months... go for it

that cheap shit wont even fit with out another few grand spent. obviously this bloke didnt read a single f**king thing i said. than again whats some random on a forum know about gtr's......

[jlord16]

As above you still haven't told us what you want out of the car or what power your aiming for......

Keeping with twins will be cheaper, purely because you can buy a bolt on package and retain the stock manifold setup.
Single turbo will free up some room, but is it worth it just for the easier access and abit more room??
The actual single turbo will be cheaper, but once you add manifold, waste gates new plumbing etc yeah it gets expensive.

If money isn't an issue then maybe a decent single is the go....

Edited by jlord16, 09 June 2010 - 09:57 PM.

[hirpm boostjunky]

jlord16, on 09 June 2010 - 09:50 PM, said:

As above you still haven't told us what you want out of the car or what power your aiming for......

Keeping with twins will be cheaper, purely because you can buy a bolt on package and retain the stock manifold setup.
Single turbo will free up some room, but is it worth it just for the easier access and abit more room??
The actual single turbo will be cheaper, but once you add manifold, waste gates new plumbing etc yeah it gets expensive.

If money isn't an issue then maybe a decent single is the go....

considering the link to an ebay china shit kit he posted i'd say money is a issue or he just doesnt understand that a gtr will bite you on the ass very very hard if you modify it on the cheap.

[200sxxx]

t88 kit!

[starlet666]

no man no.... t62r is the new god like turbo for these things.... sheesh...

[R33GTR]

no i dont know shit about gtr's hence why i am looking for help this is my first turbo this is my first sports car period, power gain? well standard was great for about a week so i am guessing 300rwkw will be great for two weeks? i am willing to put about 3-5k as one package.

I wanted to buy things as i go but aparently you cant do that it all has to be done at once.

If your posting to help great, dont just get on here to bag me out

http://cgi.ebay.com....e=STRK:MEWAX:IT

http://cgi.ebay.com....e=STRK:MEWAX:IT

Edited by R33GTR, 10 June 2010 - 10:59 AM.