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  1. 5.0L Tech
    What size injectors should i go to? Can i leave the stock 19 in it or do i need to go to 24lb? E303 cam, gt 40 heads, explorer intake, stock fuel rails. And i have to get the matching Mass air meter for 24lb also correct?
  2. 4.6L Tech
    I was researching this on here...most of the questions came from 5.0s so I'm sure its different. I have every bolt on except UDP. Should I upgrade from 19# injectors to 24# or even 30# (excessive?)?? If so when I do and get it tuned, with a new MAF, would I notice a difference in performance or...