Boggin
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would this work? if so, my brother has a spare efi 5.0 high output laying around..Found out from a fellow Ranger enthusiast that for the 2.9L to 5.0L swap, solder in 2 more injector plugs and run an 89 F150 ECM. The 2.9L and the F150s are batch fire injection and the pinouts for the ECM were the same. He told me he ran the F150 box just to make sure the pulse-width for the injectors was correct and would not starve the engine for fuel. But he said you could probably get away with using the 2.9L ECM in a pinch.