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im looking into upgrading my r33 turbos to the nismo n1 kit (http://www.ebay.com.au/itm/Turbo-N1-Upgrade-Kit-R32-R33-GTR-RB26-RB26DETT-NISMO-/120514498456) link to N1 turbos on ebay.

if i do get this kit will it be safe to put in my gtr i dont have a N1 block will this matter.

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https://www.sau.com.au/forums/topic/445570-n1-turbo-upgrade-r33-gtr/
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^ what he said, and they have bush bearings and may well be old tech laggy wheels. Just go straight to -7s (aka R34 N1s) or -9s. Its a lot of work to change turbos and they make a big difference to how the motor runs, so if you skimp you'll regret it. Only other option would be to contact Hypergear to what he has to offer, but usually the cost of a proper rebuild/highflow is too close to the -7s so its just not worth it.

There's no difference between the blocks with respect to manifolds and mounting of turbos.

im looking into upgrading my r33 turbos to the nismo n1 kit (http://www.ebay.com.au/itm/Turbo-N1-Upgrade-Kit-R32-R33-GTR-RB26-RB26DETT-NISMO-/120514498456) link to N1 turbos on ebay.

if i do get this kit will it be safe to put in my gtr i dont have a N1 block will this matter.

... do yourself a favor and find a mechanic with plenty of gtr/skyline experience before you buy anything!

That kit is neither N1 nor Nismo however is a waste your money. As with everything in life you get what you pay for. What you're after is a set of direct bolt-on Garrett GT2860R-7s (AKA R34 N1). If you'd like some advice or a quote drop me a line.

  • 5 months later...

That kit is neither N1 nor Nismo however is a waste your money. As with everything in life you get what you pay for. What you're after is a set of direct bolt-on Garrett GT2860R-7s (AKA R34 N1). If you'd like some advice or a quote drop me a line.

Hey Kudos,

I've got a 33 gtr. I was planning on upgrading the stock turbo's to -7's or possibly -9's though I noticed you have the 2871r-10's. Do you think these would be too small? I know there are plenty of threads on -5's vs 7's & 9's. Ultimately I'm trying to build the car for response and reliability. As guys who work on GTR's day in and out I was keen to know what you think the go would be??

Cheers

^ Do yourself a BIG favour - and research. -10s are the WORST possible selection you can make. Rubbish turbos, far too big.

. do yourself a favor and find a mechanic with plenty of gtr/skyline experience before you buy anything!

Totally agree.

$200 turbo "upgrades" forget it - it's $2200 for a set of -9s or -7s or don't bother spending the money.

The N1 / bush journal setups are 1980s design, lack performance that has been well and truly superseded by more modern turbos and the extra response, power and performance is worth the money.

Turbos are the most important part, don't skimp on them or regret it forever.

  • Like 1

Hi jnbR33, as R31Nismoid the GT2871R-10s aren't a great selection for the RB26 and for response the -7 or -9s are the best option with the -9s being the most popular these days by a country mile.

N1 'upgrades' don't really fit into the word 'upgrade' as it's almost a backward step using out-dated tech and the only average-at-best performance you get from them.

R34 N1s however, good upgrade - but they are a "-7" turbo anyway really, so just buy new and don't worry about it

depends really doesn't it? if you spend that money on the parts how much would 2 rebuilds cost to be installed and balanced by a turbo builder? $500-600? probably alot cheaper than 2 new turbo's?? i'm not saying you guys are wrong i'm just saying they might be a good option for someone on a budget.

depends really doesn't it? if you spend that money on the parts how much would 2 rebuilds cost to be installed and balanced by a turbo builder? $500-600? probably alot cheaper than 2 new turbo's?? i'm not saying you guys are wrong i'm just saying they might be a good option for someone on a budget.

Well the cost would be roughly $1000 (worst case of course) for two turbos by the time you buy the parts, send them off to be assembled/balanced.

So yeah it most certainly is cheaper... But they are soooo much laggier. We are talking laggier than a -5 turbo (capable of 400rwkw) but they will only make the power of a -9s (340rwkw).

That's not really a good option in anyones books to have all the lag without the power. Pretty hard to justify that being an 'upgrade'.

You'd be better off taking the chance with a 2nd hand set of -9s for $1200-$1400 and getting them inspected.

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