265 Difference RS250, 265, 275 engine

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by tfmeier, Oct 20, 2016.

  1. Just got my RS265. Beautiful car. Was wondering what the difference is (engine only) between the 250, 265, 275. Map only?

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  2. Map only.


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  3. Didn't the more recent ones have a slightly different ECU?
     
  4. The 275 Euro6 Models have a different type of ECU.

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  5. -Jamie-

    -Jamie- RSM Moderator

    They do, That doesnt change the act mechanically they are 100% the same as the rest of the range.
     
  6. +1
    There are also uprated gearbox mount and im shure something else, but the engine itself is the same.
     
  7. Thanks guys. Drooling over the manual and just found the pedal map section from snow to extreme. Can't wait to try the extreme setting. Someone told me the clutch gets also "adjusted" with different maps however I can't really see how that could possibly be the case. What so you think?

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  8. The clutch stays the same. I don't use the extreme setting. IMO it turns the pedal into a on/off switch.


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  9. Wrong about the clutch, but i think the storys told because you cant really drive normally in extreme mode, it is basically on/off like that and it ruins your chance to for slipping the clutch. But ive used extreme on track, then it is great. I dont understand that snow setting, ive tested it in winter and it was pointless.


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  10. Try parking in extreme mode if you feel like having a challenge :smiley:

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  11. Latest (EU6) 275 engine has a wideband lambda, alternative ECU (physically and calibration software), the diff lock settings were tuned slightly too I believe

    A few changes were needed to meet the new EU6 emissions regulations
     
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  12. The clutch feels different because the torque you're getting at the same throttle pedal pressure is different. I think it actually makes the changes smoother sometime, for instance changing from 1st to 2nd at low revs. In the normal pedal map this can be really harsh.

    What is strange in the 275 is that if you want the snow setting you have to select the full power map :openmouth:

    Extreme pedal map is great on fast roads but way too much really round town. Easy to stall the engine too if you're used to the normal map and forget to turn it off in town.
     
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