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All the compressor maps that I've found for T3's are based on the wheel "Trim" level. like T3 45 Trim, T3 50 Trim, etc. Tell me what size compressor wheel you have and I'll find you a map for it.
If it has a plate with the serial number on it, goto google and type it in. There are a few Dodge Turbo sites that will probably have the necessary info and probably have the maps for it too.