can anybody tell the differences (pinouts etc.) between the three: N370, N374, N380... and to what model they refer?

all i know is, that my Eurospec '91 S5 TII Vert has N380! I just bought a Re-Amemiya ECU for my vert with N374 on it. the japanese vendor told me that japanese N374 (S5 TII) is equal to european N380!

Opinions...??

 

anybody?

 

We had a lot of problems swapping ECU's out with grinders car here in the UK - the N380 and N374 ECU's have the same pinout, but the analog board is different. Also one of the supporting logic chips is a different part number - so the 2 ECU's are not a direct swap as far as I can tell.

N374 is a Jap spec I believe (might also be US)

N380 is UK/Europe spec ECU for an S5 tubby.

Don't know if that helps you any?

 

guys i tested my N374 Re-Amemiya ECU on my S5 TII. It has a N380 ECU from factory (Europe). I bought the RE-A. N374 because of my latest mods. The seller told me it would run without problems since S5 TII's in Japan have the N374...

Yes it runs perfectly! Everything works just well, it's just the same driving as the N380, besides some features like 9k redline, refined timing, refined (richer) fuel mapping, no boost cut!!! Great!!!