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Hello.

I have got a Nissan Silvia S14a and I have installed Tomei system 2 ECU time ago.

Now I fear this Japanese ECU was mapped for Japanese fuel which is known that has higher octane levels then European. We have 98RON here and I think Japan has 102RON , right?

So, I wonder whether anyone here has got this ECU running outside Japan as I know they are able for Skys too.

Could This mapped ECU make my engine developing detonation?? They claim their ECUs are designed to avoid detonation, etc.

Thanks.

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