RudeBoy GTR

How-to's, project cars, and various other articles posted by club members

Moderators: P3g4sus, Daniel, rat, Draco, Riekert

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Tobie
0.5 Bar Boost
Posts: 538
Joined: Mon Jul 27, 2009 11:15 pm
Engine: RB
Location: Rustenburg

Post by Tobie »

Nice that is +- the same HP as a T04Z BB or a GT4088, but with 2000+ rpm earlier spool.

One thing calls to the other, Greddy pluming to reduce shuffle on the twins?
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nirvash
1.0 Bar Boost
Posts: 1082
Joined: Tue Jan 12, 2010 9:38 pm
Car: S13
Real Name: Andreas
Location: Cape Town

Post by nirvash »

this is sounding like its getting serious :wink:
Time to nut up or shut up. RB25DET S13 (sold)

Current. CA18DET S13
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RB25SX
Over Boosting
Posts: 1423
Joined: Tue May 06, 2008 4:38 pm
Car: R32
Engine: RB
Location: Somerset West

Post by RB25SX »

Tobie wrote:Nice that is +- the same HP as a T04Z BB or a GT4088, but with 2000+ rpm earlier spool.

One thing calls to the other, Greddy pluming to reduce shuffle on the twins?
Have also read about some people complaining about turbo shuffle with the twins, but seems it can be reduced, like u said with the greddy plumbing.

This build just keeps getting better. :twisted:
R32 GTR
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ljS14
Over Boosting
Posts: 1684
Joined: Mon Aug 11, 2008 8:07 pm
Car: Evo
Real Name: Shane
Location: Cape Town

Post by ljS14 »

I tend to agree with you RB25SX,This is going to be a monster 8)
1991 S13 200SX
1993 Z32 300ZX Convertable
Evo 8
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RudeBoy
0.5 Bar Boost
Posts: 517
Joined: Mon Nov 26, 2007 4:11 pm
Car: S13
Location: soon to be OZ, cant wait

Post by RudeBoy »

:lol: already have greddy plumbing , and the 2860-5 have adjustable actuater arms, so i should be able to balance the wastegates .. also loosing the electronic boost control, going for turbosmart dual stage with twin turbo hookup kit
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nirvash
1.0 Bar Boost
Posts: 1082
Joined: Tue Jan 12, 2010 9:38 pm
Car: S13
Real Name: Andreas
Location: Cape Town

Post by nirvash »

really like the front bumper and side skirts on your GTR, do you know who made them, and if they part of the same body kit?

thanks
Time to nut up or shut up. RB25DET S13 (sold)

Current. CA18DET S13
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RudeBoy
0.5 Bar Boost
Posts: 517
Joined: Mon Nov 26, 2007 4:11 pm
Car: S13
Location: soon to be OZ, cant wait

Post by RudeBoy »

nirvash wrote:really like the front bumper and side skirts on your GTR, do you know who made them, and if they part of the same body kit?

thanks
there is a logo on the inside of the bumper, will have a look and let you know
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nirvash
1.0 Bar Boost
Posts: 1082
Joined: Tue Jan 12, 2010 9:38 pm
Car: S13
Real Name: Andreas
Location: Cape Town

Post by nirvash »

thanks, best R32 GTR skirts and front bumper ive seen (gives the R32 a squarish R34 look at the front) really like them
Time to nut up or shut up. RB25DET S13 (sold)

Current. CA18DET S13
Image
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Tobie
0.5 Bar Boost
Posts: 538
Joined: Mon Jul 27, 2009 11:15 pm
Engine: RB
Location: Rustenburg

Post by Tobie »

RudeBoy wrote:
nirvash wrote:really like the front bumper and side skirts on your GTR, do you know who made them, and if they part of the same body kit?

thanks
there is a logo on the inside of the bumper, will have a look and let you know
I think yours is also Yanack, like mine, different shape, are your front fenders alu or glass?
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mario_200sx
200SX Maniac
Posts: 2507
Joined: Fri Dec 14, 2007 9:16 am
Car: S13
Location: Cape Town

Post by mario_200sx »

Turbo shuffle?
Rolling Thunder..........
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RudeBoy
0.5 Bar Boost
Posts: 517
Joined: Mon Nov 26, 2007 4:11 pm
Car: S13
Location: soon to be OZ, cant wait

Post by RudeBoy »

Tobie wrote:
RudeBoy wrote:
nirvash wrote:really like the front bumper and side skirts on your GTR, do you know who made them, and if they part of the same body kit?

thanks
there is a logo on the inside of the bumper, will have a look and let you know
I think yours is also Yanack, like mine, different shape, are your front fenders alu or glass?
alu fenders
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RB25SX
Over Boosting
Posts: 1423
Joined: Tue May 06, 2008 4:38 pm
Car: R32
Engine: RB
Location: Somerset West

Post by RB25SX »

mario_200sx wrote:Turbo shuffle?
At light throttle cruise the output from the rear turbo compressor overcomes the compressor on the front turbo and stalls it which then causes pressure to build up behind the front turbo turbine which then spins the front turbo in a short burst that overcomes the rear ... and so on.

Best cure is to use inlet manifolds with a balance pipe e.g. HKS which then evens the pressure between the turbines and should stop the problem.
R32 GTR
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n1smo200sx
0.5 Bar Boost
Posts: 577
Joined: Wed Aug 09, 2006 3:29 pm
Car: S13
Engine: SR
Location: Lyttelton

Post by n1smo200sx »

Good luck man-R32 still the most agressive Skylines out there.
Still had some footage of Vlakkies R32-most beautiful one in SA-maybe in the top 5 in the world

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My car's a Hybrid - it burns gas and rubber
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RudeBoy
0.5 Bar Boost
Posts: 517
Joined: Mon Nov 26, 2007 4:11 pm
Car: S13
Location: soon to be OZ, cant wait

Post by RudeBoy »

RB25SX wrote:
mario_200sx wrote:Turbo shuffle?
At light throttle cruise the output from the rear turbo compressor overcomes the compressor on the front turbo and stalls it which then causes pressure to build up behind the front turbo turbine which then spins the front turbo in a short burst that overcomes the rear ... and so on.

Best cure is to use inlet manifolds with a balance pipe e.g. HKS which then evens the pressure between the turbines and should stop the problem.
seems to be that the HKS turbos are the worst affected by this, specially the larger ones 50mm+ compressor wheels
dont seem to be as much of a problem with the garrett units or turbo's with compressor wheels smaller than 50mm - unbalanced wastegate actuater settings or boost control issues could also cause one turbo to spool up faster than the other
splitting the turbou outlet "twin" pipe seems to help also
http://www.gtr.co.uk/forum/84482-testin ... -pipe.html
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nirvash
1.0 Bar Boost
Posts: 1082
Joined: Tue Jan 12, 2010 9:38 pm
Car: S13
Real Name: Andreas
Location: Cape Town

Post by nirvash »

that is the cleanest best looking RB26DETT ive ever seen :shock:
Time to nut up or shut up. RB25DET S13 (sold)

Current. CA18DET S13
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