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Am thinking of doing this instead of aftermarket ecu.

Will be running Z32 Afm with FMIC and exhaust everything else will be standard.

Will probably use one of nistunes boards for tuning eventually, but till then.

I have just a few questions.

- Does it matter what type of ECU (16 or 8 Bit).

- Are The stock z32 maps suitable for RB25

- Will Z32 ecu run the standard boost control soleniod.

- Can I run an external ignitor with my exhisting coils.

- Are my exhisting knock sensors suitable.

Any Help would be greatly appreciated.

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https://www.sau.com.au/forums/topic/179120-z32-ecu-into-r33-series-2/
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well you would probably have to re-wire most of the ecu. then if things like injectors are different size then that will mess with how well it runs, as will the afm, as will the fact that 1 is a 3.0L and one is a 2.5L so the amount of air and fuel that each uses at idle (and the whole way through the rev range) will be different.

so in short, it could be a lot of work only to find that the car won't run.

Thanks guys.

Will probably use an older Z32 Ecu (8 bit). Probably install nistune daugtherboard at same time to iron out any problems.

is there anyone who can shed some light on the factory boost control eg. does it work from the z32 ecu?

Yeah the Z32 does control VCT, which is why I am choosing it over a RB20 ecu. Standard switching point is 5900 rpm on z32.

Also z32 injectors are 370cc same as r33 i think.

Anyone got any info on the stndrd boost control thing?

The main purpose for using the Z32 ecu is that Nisstune have daughter boards that allow real time tuning with map tracing and they support wide band AF sensors (Tech edge i think). All this for approx 400$ + Install and a tune.

I am going to use a Z32 AFM as I felt this would allow me to use the Z32 ECU maps untill I had the Nisstune daughter board installed.

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