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Swapping to a standalone ECU is a last resort, quite alot can be done with the stock ECU.
There comes a point though that too wild a cam will confuse the MAP sensor readings and cause the ECU to play hanky panky with the FBW throttle.
As said, no need for standalone......it certainly isnt more 'sophisticated'. You have one load rpm map, where stock ECU's can have several maps.
And as for this Eprom upgrade......why has it taken years for Omex to realise that its needed.
I have been in contact with plenty of the boys from down under and advised the ones I have spoken to accordingly.
I was not aware that NOBODY down there could remap the stock ecu......i'm sure there was one company that could.
i'm lost lol.
There are plenty of cams that will and wont run on stock ECU, there is a transition point.
You dont specifically design something not to run on the OE ECU? :S
Portal is quite right, no need to bother with grands worth of HIGHLY expensive competition based standalone ECU just to 'tweek' things. You could get it installed an the gains would be minimal, especially for the outlay.
Then you'll spend ages sorting out the climate control, dash interface...