Merlins Ralliart and EvoX TUNING GUIDE Version K.pdf - EvoScan

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MERLINS RALLIART & EVOLUTION-X TUNING GUIDE7.03-MIVEC TUNING – EvoX INTAKE MAPSHere are the stock JDM EvoX intake MIVEC maps, the hot map is used at normaloperating engine temperatures, while the cold map is used during warmup. Thismap is a lot more aggressive than the stock RALLIART map, but not as well tunedand progressive as the GST tuned map shown earlier. Also there is quite a lot ofadvance at high load / high rpm, where boost will be high. This can lead to theintake charge being blown out of the cylinder due to valve overlap, not a goodtuning practice.Figure 33:MIVEC TUNING, 52360016 EvoX, INTAKE/HOT MIVEC MAP – StockA fairly conservative stock cold operating Intake MIVEC map for the EvoX.Figure 34:MIVEC TUNING, 52360016 EvoX, INTAKE/COLD MIVEC MAP – StockREV: 0.K merlin@three.com.au Page 66 of 134
MERLINS RALLIART & EVOLUTION-X TUNING GUIDE7.04-MIVEC TUNING – RALLIART EXHAUST MAPSHere is the stock 2009 AUS RALLIART exhaust map, both hot and cold have beenset to the same values. This is ultra conservative MIVEC mapping.Figure 35:MIVEC TUNING, 53610010 RALLIART, EXHAUST MIVEC MAPS - StockCompare the stock map above with the GST tuned MIVEC EXHAUST map shownbelow. GST have set both the hot and cold running maps to the same values. Thesechanges point the way with MIVEC tuning and the result here is a much moreresponsive engine.Figure 36:MIVEC TUNING, 53610010 RALLIART, EXHAUST MIVEC MAPS – GST TunedNote that there is no cam retard at idle – this would make the idle really lopey. Noris there retard at high rpm and high load. These GST supplied maps are a verygood place to start tuning from as your base-maps.REV: 0.K merlin@three.com.au Page 67 of 134
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Merlins Ralliart and EvoX TUNING GUIDE Version K.pdf - EvoScan

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