Prelude have 200 HP on it and my Accord H22A have 190 Hp
if use Ecu from Prelude will that make 10 more Hp ?


Thank :)

Nope. There are different cams and compression ratios are built differently between the engines

I'm not sure about the compression ratios and cams, but yes, there are differences - I'd have to check up on it to see exactly what differences. But no, the ECUs should be the same.

- Nathan

you could go head and try it. it will make a difference. the ecu maps out how much fuel its suppose to be putting out. i have seen it done on a civic. civic sohc non vtec with ls dohc ecu, it made a difference.

i got the infomation on compression ratios and cams are the same...i found on website