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I will be dropping in a new motor in the next couple of weeks. It’s a 347 stroker using 35-512-8 cam, GT40 heads, LT headers, 56 mm TB, stock intake. 94 F150 2wd. Are my stock 19# injectors single hole or four hole design and will they support the upgrades? If they are single hole and will not support will the four hole units support or do I need to upgrade to 24# injectors? Truck is chip tuned so tune can be modified.
It was several years ago, but as I recall I had to remove the inner fender to access the ECU. Tuner then connects his equipment to the ECU then starts the Dyno process making changes and then burns a chip that plugs into the ECU.