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EA, there are aftermarket ECUs that are home-programmable. Wolf3D, SDS and MoTec are the first that come to my mind. For a minute, think what are the main differences between PULP and regular unleaded? The most striking one is the different optimim ignition timing. On EA-ED and EL Falcons they still have a distributor-in-block ignition system, so its easy enough to bump the timing 1 or 2 degrees. After that, its complicated a little. I believe that PULP requires a slightly different advance curve to perform at its best compared to ULP. And if youre using something slightly more viscous, such as Shell Optimax, then it will require a slightly richer mixture curve to compensate for the fuel's viscousity. All up, it is possible to tune for different mixtures.. You could get a hot chip programmed for you with your car on the dyno, but that could end up costing a fair bit..
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