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    MAFT-Pro Tuning Thread Unofficial and Uncensored

    Hi, Thanks for a quick reply. I have AEM Wideband lamda. So i can monitor A/F ratio to see that it is safe raising the boost. Rigth now i am adjusting the fuelpressure as I increase Boost. I am running at about 20 psi now. what boost are you running on? I am considereing 550 injectors, but is...