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Rb20 Power Fc On Rb25?

Kwyjibo

By Kwyjibo,
in Engines & Forced Induction

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Kwyjibo Rising Star

Kwyjibo

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I have been planning on buying a eManage Ultimate for my RB20 as I will be upgrading to an RB25 when the engine dies. I figured as it is a piggyback it will be very easy to change over. I have now found a RB20 Power FC at a decent price which I am considering purchasing. I was wondering if I would be able to run a 25 on this whenever I need to change. From what I can see the pinouts are slightly different, and that running a RB25 PowerFC on an RB20 is easy, so am I right in thinking doing it the opposite way around would be fine?

As I understand it I would just need to get it retuned(obviously), and that I wouldn't have VCT. Is this correct?

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https://www.sau.com.au/forums/topic/272997-rb20-power-fc-on-rb25/
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mad082 Grand Master

mad082

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if it was me i would be just putting a nistune daughterboard into the stock rb20 ecu and going that way (depending on just how cheap the PFC you found is). it will require you to use the rb20 loom, but my mechanic said that is how he would do it if he was to do the swap again (recently put a rb25 into his ceffy)

Kwyjibo Rising Star

Kwyjibo

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  mad082 said:
if it was me i would be just putting a nistune daughterboard into the stock rb20 ecu and going that way (depending on just how cheap the PFC you found is). it will require you to use the rb20 loom, but my mechanic said that is how he would do it if he was to do the swap again (recently put a rb25 into his ceffy)

I've considered that but the tuner I am going to seems to be most comfortable with Power FC's and eManage ultimates. They also seem to be a more adaptable and popular ECU. I'm in Canberra so the market for tuners isn't large. I might look at the option anyway, could always go up to Sydney and get a Toshi remap done.

Kwyjibo Rising Star

Kwyjibo

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Thanks. I think I'm going to buy it then because if prices stay stable I can always sell it for more than I payed. One more question, I was playing with a HC today on a friends car as well as looking over the Power FC FAQ site and couldn't see anything to set the Power FC to default.

The one I'm buying will be running exactly the same setup as mine however I would like to set it to default before all the parts are installed to make sure it runs ok. Is there anyway to do this on the unit?

Cheers,

Adrian

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