Car runs Terrible after Build

[Fordphanatic]

Did you reach out to your tuner? That would be my next step!

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[Unas2k5]

There’s a few grounds on passenger side underhood below fuse box

 

[Whistling5.0]

I am the owner of this Mustang. To update everyone, we did smoke test on the vaccum lines as well as the headers and found no leaks. A data log was sent to shoemaker and we are trying to figure it out. I’ll update you all once we figure it out!

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