New to the forum I need help

I have a 2000 Ford Mustang 3.8l v6
I got it really cheap I want to fix it
So it had this nasty noise ticking and etc... so I was told it was a blown head gaskets I went to change the heads myself took then to the machine shop etc...
Then the fuel pump went bad I replaced it I think it went bad cuz I had it sitting for 6 months anyways. Now the car still does that same noise overheats and popping sound from the intake please help here’s a video

View: https://youtu.be/5XWZ1wO7x70
 
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