Re: ECM flash
The stock ECM can handle a good bit of of aftermarket parts, however, like you mentioned, the mass air conversion will respond better to your mods if you choose to go that route. Who did all the work and tuning for the current mods? What kind of fuel pressure are you running, what is the timing set at? For your mods, the stock 19lb injectors would be fine and would cause less problems for your SD setup at this time. If you have them, maybe try putting them back in....
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