6-8 pounds of boost isnt really so little, and theres no way the computer can add the 15-30 pounds of fuel pressure in relation to pounds of boost on its own. You'll need fuel management.
If you could simply tune the computer, none of us forced ind. guys would have between $500 to $1000 in upgraded fuel management systems. We'd all be knockin down your uncle's buddies' door. I have over $600 in fuel upgrades, on top of a $450 ECM reflash.
actually it does a lot more than that usually.. its the trucks computer's program that gets modified, and/or "re-flashed". It usually consists of altering the fuel/timing curves in relation to rpm/load, trans shift points based on TPS signal and speed, compensates for changes in tire size, rear end gear changes, reducing and/or removing transmission torque management, pushing the parameters for the MAF, etc... usually done on a custom basis, depending on what mods you have
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