S2000 Under The Hood S2000 Technical and Mechanical discussions.

ECU choice for my setup

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Old 07-11-2005, 02:48 AM
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Default ECU choice for my setup

I would really appreciate ANY help you guys can offer on my setup.

SO far:

Mugen CAI
J's header
Amuse dual

The car feels a lot more torquier (sp?) than stock but I have been given the advice that the J's header could be making my car run too lean. Now I don't want to hurt the engine obviously so would like to use an ECU that would work well this setup.

I have been told that a Mugen ECU would run too lean for this setup and that I would need a programmable ECU option.

My questions to you guys:

1 - COuld I be hurting the performance or the engine with the setup above with stock ECU?

2 - What would be the ideal ECU to use with this setup?

Any other advice would be extremely welcome...

MAny thanks,

AB
Old 07-11-2005, 03:10 AM
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Who told you that Mugen ECU will run too lean with your setup? It will be leaner than how it was, but too lean!?? As long as you keep using 92+ octane gasoline, you will be fine w/ Mugen ECU. However, for your setup, all aftermarket ECU will do the work.

with your setup, you don't need to worry about if one is hurting your engine as long as you install it in a proper way.

My old setup was Mugen ECU, Mugen CAI, Spoon Header, and Amuse dual, BYS testpipe. It ran perfectly..!!

I would still suggest you to go for the Mugen ECU. Plus, I never hear any one with any problem by using Mugen ECU.
Old 07-11-2005, 04:28 AM
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Please take a look at this thread too...

https://www.s2ki.com/forums/index.php?act=S...=0#entry5862687

All help would be greatly apreciated. I want to order an ECU asap.
Old 07-11-2005, 06:41 AM
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Have you guys woken up in the US?

Somebody please help with this...
Old 07-11-2005, 08:13 AM
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Originally Posted by Amuse Boy,Jul 11 2005, 02:41 PM
Have you guys woken up in the US?

Somebody please help with this...
Its around breakfast time in the US AB, just be patient lunch is around 17:00 in the UK
Old 07-11-2005, 04:15 PM
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ANyone???
Old 07-11-2005, 10:45 PM
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Aem EMS-Highly recommened. Its plug and play but U will just need a good tuner.
Old 07-12-2005, 12:27 AM
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Does anyone have any details on the J's Racing ECU fuel map?
Old 10-14-2005, 06:12 AM
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J's Racing S2000 is my current project and I cant wait to complete it!
Old 10-14-2005, 10:55 PM
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can someone explain to me why you would buy an entirely new ecu , which is not even tuned to your individual engine???

i dont know howmuch the mugen ecu costs, but if its anything like other mugen stuff its probably a rip.

If your up for it, buy an aem ems and and properly tune it, you will get more gains than any aftermarket non programmable ecu.


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