USDM VS JDM ECU's

WannabeSI

Senior Member
I have a B16a obdII swap and I have the jdm ecu that came with it and a usdm obdII ecu from a 99-00 si what one is better? do you know the differences between them? Let me know Thanks!
 

xj0hnx

I wanna be sedated
VIP
You could try plugging them in and seeing if there is any difference.In my old 86 si I switched to a edm ecu and it made a difference,so try it.
 
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