Quote:
Originally Posted by Drawn05
So OTS MHD 98ron maps are too aggressive for 98ron, unless I run 10litres of e85? So 95ron maps for straight 98ron pump fuel?
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The maps are a bit aggressive and a little E85 helps to make the car feel a lot more consistent. But its not like its overly agressive, the ECU does adapt and the car drives fine as long as you have good plugs (NGKs do help with the OTS maps).
But you do sometimes get timing corrections which you can feel, mostly at lower revs on spoolup. Most people don't notice this though.
A custom tune by someone whos very experienced in the platform and willing to develop the tune for all driving conditions. ie you won't get a great tune with a few iterations where you only send WOT logs.