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Ecu Comparison

FJ RB25

By FJ RB25,
in Engines & Forced Induction

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FJ RB25 Enthusiast

FJ RB25

Posted
Posted

Hi guys

This has probably been covered already but I am not having much luck finding it if there is.

Is there a post on recent ecu comparisons.

My build is using a RB25det

My mods planned so far

Greddy inlet manifold

High rise turbo manifold

Hta 3076 or gtx3076 turbo ( not purchased yet)

Manual box

Fmic

Bigger injectors

I guess what I am looking for is around the 400whp max and I am looking for an ecu that has a few tunes available, should be able to get me over the emissions test on one of the tunes

Adjustable Boost controll

And be MAP compatible.

I probably have missed some things as I am new to these engines.

Cheers

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XRATED Veteran

XRATED

Posted
Posted

If you go with a plug in haltech of similar, you can choose to use the map sensor or the stock afm. You would be able to set it up to run the afm for an inspection, then switch back to the map sensor..

I'd find out your requirments for inspection before you get too far ahead of yourself.

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

^ Agreed, depending on state requirements are different... Most certainly should know about the test before anything else.

Also running E85 doesn't mean you instantly are "hassle free", despite the people saying how easy the test is to pass... That's only one factor as there is nothing to stop a Police officer saying "I don't think you are running E85" and off you go to the pits anyway.

And while you are at it, more research on the set-up. 400rwhp does not mean getting a GTX3076 and running E85, far too much turbo for that power aim when you can get smaller and be more responsive for the same end.

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Kinks Grand Master

Kinks

Posted
Posted

Go to your tuner, Tell him what you have just typed here and then get whatever ECU he says

No point getting an ECU that your tuner doesnt want to touch

This assumes you have fixed on a tuner first. If you haven't then research the best ECU choice for your needs and then ask who is the best at tuning them. If they are a reputable shop then go for it.

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FJ RB25 Enthusiast

FJ RB25

Posted
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Posted

^ Agreed, depending on state requirements are different...

And while you are at it, more research on the set-up. 400rwhp does not mean getting a GTX3076 and running E85, far too much turbo for that power aim when you can get smaller and be more responsive for the same end.

Good points there to consider there, only going by what was recommended to me with the turbo size, thank you for the advice and I will do some more research when I get back to the big smoke, if I can go a smaller turbo and pick up good response then that's great, not after huge HP just some decent HP so the car is fun to drive.

If Fitting the AFM to get past licensing then running the MAP sensor part of the ecu after is what I have to do then I will do that no big deal.

Running E85 was only an option to get past the emissions part of licensing due to the fuel burning cleaner if it was needed, once car is licensed I was going to run premium pump fuel.

Ok so I have a few mates that build Rb's and I have spoken to RIPS over in NZ because I was looking at one of their manifolds at one stage and some fellas that have drift cars.

Recommended so far

Haltech

Wolf

Power FC

Link G4

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Hanaldo Grand Master

Hanaldo

Posted
Posted

Definitely speak to your tuner first.

In my case, I've got a Link G4 plug-in, and my tuner has no problems tuning it. BUT, he doesn't know it as well as he does Haltech. While the Link is very comparable to the Haltech, he could do a much better job tuning a Haltech ECU, simply because he has a lot of experience with them. Not to say he doesn't do a great job tuning with the Link, but when you go to such a powerful stand-alone ECU there are a lot of ways to set things up, so with the Haltech he knows exactly what he wants to do and how he wants to set it up, but with the Link he needs to figure it out.

In the end, the two ECU's might both be great ECU's, but if going with one over the other means your tuner knows exactly how to get it to idle perfectly with the A/C on first time without you needing to bring it back for little corrections, etc...

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Lithium Grand Master

Lithium

Posted
Posted

I just do not understand how a tuner could tune one ecu, but not another.

Probably just CBF. Or in the case of HKS authorised tuners - because they have nearly no competition so can keep people tied to them :)

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34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

Hi everyone and thank you for your advice

I have just finished speaking to a fella over here in Perth who used to work for 101 garage in QLD

Looks like I will probably

Lol i assume you are on mobile and it automatically sent half way through a reply? :domokun:

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FJ RB25 Enthusiast

FJ RB25

Posted
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Posted

Hi everyone and thank you for your advice

I have just finished speaking to a fella over here in Perth who used to work for 101 garage in QLD

Looks like I will probably go with the Haltech unit and the 3073 turbo on top of a 6 boost manifold.

I didn't realize that running E85 was that much of a mess around ( excuse my ignorance)

Will use the AFM to pass licensing and then run the internal MAP sensor in the ecu.

The engine exhaust noise shouldn't be too much of an issue as long as its gone properly.

Most probably won't be pulled over every day like you do in a skyline majority of 5 O wouldn't expect that from an old fj holden

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