99 GT, Sean Hyland cams, Kenne Bell 1.7. First a little background..I just finished replacing the front engine/timing cover. (long story) but it had an SCT timing adjuster that I removed and simply plugged in the crank sensor. Started the car. It's missing at least one cylinder and is dumping fuel into driver side exhaust. So much, it was spewing out between the collector and the manifold connection. One of the collector bolts was loose so I tightened it up, restarted, and got a huge backfire. Sounded like gunfire. Haven't restarted since. Called local Mustang speed shop, he, without hesitation, said to change the battery. Haven't tried that yet, but did clean all of the ground connections. I then was inspecting the FI harness and someone at some point spliced in a wire to every fuel injector. all of those wires culminate at a plug that isn't plugged into anything, but every pin has power in the run position. Why would someone do this? What may have it been plugged into? In photos its all of the orange wires. The other question regarding that timing adjuster, would the car have been tuned using that thing? Would they have advanced or retarded the cams themselves and then dialed it in with that adjuster? I'm hoping the backfire was just the build up of fuel in the exhaust. Thanks for any insights. JB.
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