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Originally Posted by MadMax IL
I am using a Greddy boost controller that is not hooked up to the AEM, but I understand that the gm map sensor will sense the amount of air going in and adjust fuel accordingly....with the boost compensation map, right? but I was scoring the instruction and still cant find this boost comp map to make adjustments.
TNX
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Bost compensation is a graph and not a map. You can find it in Fuel->AdvanceFuel->FuelTrim->BoostFuelCorrection.
What it does it adds % of fuel vs boost. Why you need it...You don't, but it allows to get rough fuel map quick (the idea is that every 1 bar you need extra 100% of fuel, so once you map 0 relative presure fuel map for 0-8000rpm you can populate other Presure rows with the same values and you have rough fuel map.) My goal is not to get rough fuel map dialed in the shortest period of time so the boost comp is not that important. But the main advantage boostcompensation gives is that it levels the fuel map for low and high loads so you have good resolution at high loads and even greater at low.