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Nistune is a fantastic piece of kit, an arguably 'safter' than the pfc given what's been discussed already. Obviously your tuner is going to be the biggest safety factor.

My car has E85, 98 maps, no issues with either - we even got the Nistune guys to dig up the references for cold start enrichment etc to play with the E85. Helps when the developer has the same type of car :D

Next step might be to get a ethanol content sensor installed in the fuel tank, and have Nistune load up the appropriate map depending on the level of ethanol detected (this is with regards to Caltex's E70 - E85, depending on the time of the year)

Definitely give my thumbs up to Nistune.

So what's the go with Nistuning RB25s in the sense of using the VG30 computer? I've heard you need to change about 5 or so wires - but the VG30 ECU supports VCT? I still have the ECU from my RB20DET but if VG30 will operate everything I might aswell sell the 20 ECU and get a VG. When they say Z32 VG, do they mean DE or DETT?

Dion, have a look at the attached.

It's a PDF I found on the nistune forums a while a go and details what pins need to be swapped, but instead of hacking up the factory loom it explains how to modify the ECU internals so the loom can remain untouched. Any reasonable electronics repair shop should be able to resolder the SMD components.

Z32_ECU_Modifications_Direct_R33_Plugin_V3.pdf

Dion, have a look at the attached.

It's a PDF I found on the nistune forums a while a go and details what pins need to be swapped, but instead of hacking up the factory loom it explains how to modify the ECU internals so the loom can remain untouched. Any reasonable electronics repair shop should be able to resolder the SMD components.

Z32_ECU_Modifications_Direct_R33_Plugin_V3.pdf

Wow thats really helpful Nick, although Im a little confused about the very last one with the injector pins. How is that done? (Inside the ECU, or on the loom)

The injector signals are changed by swapping the wires in the loom. Although since the RB20 ECU runs batch fire you don't necessarily have to swap them.

Also the VG30 ECU's are the same for DE/DET and Auto/Manual as long as it was an early 8 bit one then it'll be fine, apparently they went to 16 bit later which won't work with the board. I just sold one for $150.

http://www.jimwolftechnology.com/wolfpdf/ECU-ID.PDF

We found that injector wires dont need swapping for RB20/VG30 ECUs with the RB25 so that information is now redundant

Whilst we could do this mod with the USDM 16 bit ECU (Type 3) we would need to redocument the mods and also the mapping information is a bit thin for these ECUs compared to the more common 8 bit ECUs (EDM, JDM and USDM 1990-1992 models)

So the z32 VG30DE is fine to use as a remap ecu for an r33 s1 rb25det?

EDIT:

nvm, found out that all z32 ecus are ok to use (be it na/tt/auto/manual) as long as they got this in the part number which makes them a type 2 board:

Type 2

30Pxx

31Pxx

37Pxx

40pxx

41Pxx

46pxx

47pxx

48pxx

Edited by SkyHi_33

Nistune is great, cost effective, virtually undetectable and fully programmable.

I don't think I can add much to what's been said, except to say that I ran the Nistune board in my RB25DET Neo R32 and had a reliable 190rwkw all day every day. Stock turbo, injectors, airbox, GTR exhaust, Z32 airflow.

Had one occasion where I lost all boost and the ecu pulled timing, but I soon identified it as the plug from the knock sensor being loose. Clipped it back on and she was sweet. PFC wouldn't have pulled any timing or dropped boost.

Re the pfc and hand controller, If you use the nistune you can plug in one of these http://www.ecutalk.com/consultlcd.aspx - monitors your injectors, temps, afms voltage, timing, rpm etc. Stores peak values and has configurable alarms for maxing out your afms, injectors, water temp etc.

Not all the functionality of the PFC hand controller but most of what most people need. Also it's got a USB socket so you can plug in a laptop and log all sensors to csv with the free ecutalk software.

I've got one in my bnr32 and it is a great companion for hard track days.

+1 nistune scrap my emanage post croydon racing developments are gonna tune mine with the nistune as the PFC is good and yes you get all the fancy stuff but the nstune runs on factory softwear rewritten with modern up today's software... More control over whole system as you get to refine more areas of your engine.

  • 6 months later...

Depends on what you really want to spend. NIStune's are around $250 or so, whilst Power FC's around the $800-$1000

NIStune, is just a motherboard, which allows your stock ecu to become completely programmable.

Power FC's are a whole new computer, with hand controller, so you can do 'on-the-spot' programming.

NIStune's are not legal, and neither are Power FC's, advantage of NIStune would be that it is virtually impossible to detect from a coppers point of view, apart from the USB port that is made to allow the USB cable to plug into the laptop to tune,whilst a Power FC is recognisable from its Apex'i casing. Hand Controller is detatchable..but still, if a cop wants to have a look inside your kick panel, you are a sitting duck.

My point of view anyway.

, if a cop wants to have a look inside your kick panel, you are a sitting duck.

My point of view anyway.

... the Nistune daughterboard cards sit physically inside your ecu casing, not just in the kick panel.

Just put one in my 34gtt auto, will let you know how it goes.

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