What do i need to use a MAP sensor instead of MAF?
#2
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2-3 bar...your ecu knows what boost is via the 2-3bar map sensor and can add fuel accordingly. more than likely the maf sensor will be maxed out by 3-4k pending yr application..after that you are shooting in the dark. the 2-3 bar map will take care of that
#3
You will need a tuning package that provides a modified operating system for the ECM. I'm using EFI Live 2 bar O/S with excellent results. MAF is sitting in a corner of the garage.