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I went to the local GM service to check and I also posted a question on Opel forum... So the answer was YES, X20XEV cams will fit right into Nubi with X20SEd engine...

Hopefully this will be of some use to others.

With regards,
Nick

Do you know the base circle diameter of stock cams on T20SED or (hopefully) X20SED?

Nick

Engine: X20SED 0940003

Hello! I have found a peir of new performance cams for Opel X20XEV engine with a relatively good price. The advertised duration is 270? and lift is 11.08mm. The Nubi will be converted to individual throttle body setup and I feel it will be happy with the cams. Now my question is this: Is it 110% tha...

First I have to correct myself... A car has been bought mid 2003, but it is actually Nubi I. I misunderstood my friend, as I am not into Daewoo cars.

ECU is also Delco... Are those bad or good news?

The engine is X20SED.

Hello! I became really curious about flashing the 2003 Nubira 2.0 ECU. I did it lot of times with different ECUs (only Weber Marelli though). I did compete reverse engineering of one of them, so it took a lot of time (that I am not willing to invest one more time). So an explanation of (or a link to...

Thank you very much for the reply. Yes, you were right, C20XE has floating pin, while X20XEV has fixed pin. In the Mahle catalogue, I found that X20XEV has CR of 10.8:1. That is different from Nubira engine, so Nubi obviously have different pistons. Options would be to use X20XEV pistons for increas...

Hello guys! I am not really into Daewoo/GM tuning, so I need your help. A friend of mine has 2003 Nubira Station Vagon. The engine is 2.0 16v, rated at 133bhp. My first question is how similar is this engine to Opel C20XE? Apparently there is a lot of things in common - but I am interested whether c...