Skip to main content
7 votes

Do automakers ECU-tune their motors to make new models and versions?

It's absolutely true that auto manufacturers tune engines to give different performance levels. I had a BMW 530d and discovered it was the same engine as the 535d, the only difference was the ...
GdD's user avatar
  • 17k
3 votes
Accepted

Do automakers ECU-tune their motors to make new models and versions?

How sound is this analysis in the case of landcruiser 150 2.8 D4D 177hp? I think it is very sound. @GdD has very valid points. The thing to remember with turbocharged engines, especially diesel ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
2 votes
Accepted

Should I retard the ignition timing on higher RPM on natural aspirated engine?

Because there is less time for ignition events to occur at higher RPM, the timing should be advanced. If you retard the timing at higher RPM, the ignition event will be happening too late in the ...
Pᴀᴜʟsᴛᴇʀ2's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible