R32 GTST - 600KW+ RB28/CD009 Build

[TurboTapin]

Driveline vibration is resolved. I ended up loosening all my engine mount and trans mount bolts, giving it a good shake then retightening everything and it's gone... Let's just say I was surprised that fixed it. 

I've been happily driving it around again but unfortunately put zero time into my direct port/constant pressure WMI setup. I'm on vacation next week, so I'll try and finalize it then. 

On a different note, I spent all week fuel/ignition mapping 2x 216L V16 engines. Turbo's were burning glycol and we swapped them out for larger units. We also had planned emissions testing on site, so I figured I'd be there the same week to use their instrumentation and massage any emissions issues out if needed. This was a first for me. Fuel management is similar in certain ways to automotive (i.e air density as load variable) but very different in others. It's all PLC based and AFR's are controlled by air and not fuel. They use a control valve between the turbo and air manifold to control pressure which in turn controls AFR's. Due to this, target AFR tables supplied by the OEM are in pressures and not mass which really through me off. They use air pressure vs fuel pressure tables. I also relied on an O2 concentration sensor the emissions team had in the exhaust. Ignition timing was also all over the place and we were losing a fair bit of power. They're now happily sitting at 16-40BTDC depending on load. We were making about 1600kw at 900rpm at 90% load. Engines were running a lot smoother as well.

 

 

Edited June 27 by TurboTapin

[Satwinder]

Hi,

where did you manage to get 32mm release bearing carrier, it's really hard to find one in NZ . I have sort of same setup with xtreme twin plate clutch kit. I have 19mm release bearing with 18mm carrier measured back of bearing to where fork sits but it isn't enough ,it hardly touches fingers once fork pushed all the way back, I measured out and find out I'm short of 18mm.

Thanks

[Dose Pipe Sutututu]

ooft... what a turbo, does it dose? lol

[r32-25t]

1 hour ago, Satwinder said:

Hi,

where did you manage to get 32mm release bearing carrier, it's really hard to find one in NZ . I have sort of same setup with xtreme twin plate clutch kit. I have 19mm release bearing with 18mm carrier measured back of bearing to where fork sits but it isn't enough ,it hardly touches fingers once fork pushed all the way back, I measured out and find out I'm short of 18mm.

Thanks

Nissan would be your best bet 

[Satwinder]

On 30/06/2025 at 1:50 PM, r32-25t said:

Nissan would be your best bet 

Thanks,managed to find one from Australia.

[TurboTapin]

15 hours ago, Satwinder said:

Thanks,managed to find one from Australia.

Your local Nissan dealership should always be your first go to. Get your parts from the source, without the middle man. I also recommend you start an account at your dealership, I get 15% off with mine.

You would be appalled with some of the mark ups I see from third party distributors (200%+) 

[TurboTapin]

I finally got around to completing my WMI SS direct port tubing. I ordered a snow performance 6 port manifold but it seems they are now owned by Nitrous Express. It has the NX logo on both sides. I'm expecting this to lead to a lot of unwanted nitrous questions 😅

 

[Dose Pipe Sutututu]

Actually looks like a Nitrous setup now 😆

[MBS206]

Hopefully that's not too confusing for the PoPo in Canada! Mr Plod even thinking you had Nitrous plumbed in on the street in Australia would lead to a 7-10 year stint in maximum security...

[TurboTapin]

17 hours ago, MBS206 said:

Hopefully that's not too confusing for the PoPo in Canada! Mr Plod even thinking you had Nitrous plumbed in on the street in Australia would lead to a 7-10 year stint in maximum security...

Haha luckily we don't have emissions, inspections, or any laws against power adders here. They only thing they somewhat keep an eye out for are ridiculously loud exhausts.