Thanks for your reply Dave. I feel like I *could* tune better than a FAST or Holley MPFI system with enough time and trial and error. I have had this setup for over a year and not had the time to...

IIRC, this is a zero sum game; increasing the BPW or increasing the duty cycle from the injectors. Either way, the amount of time the injectors are firing is the same.

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Kris

Using this spreadsheet, running 100% duty cycle on my injectors indicates a supported horsepower of 306. I feel I have been wronged. I purchased a rebuilt TBI unit from SPR performance, specs below:...