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When you said stock tune was that for the natrually aspired or blown? The 42 lb injectors and 90 mm MAF should have caused you problems without a new tune.
Also, you could have gotten by with 1-255 pump. The L/HD dual pump combo (as I remember) uses 1 pump for low boost and the second kicks in at higher boost, ECM controls. And both were 155's.
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2003 F150 ExtCab/Step Side
Blown & Smiling Est 400rwhp/500rwftlbs
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