Can you even turn the crank manually?
Can you turn the cam manually?
Do you just need it running, or is this some high-performance build?
Even if somehow your oil filter keeps all of that rust out of the pump, it is going to impact engine cooling by a big factor. I think most of that rust has got to go. A tool like this can help get rid of the rust (you may need extension to get to the bottom of it): https://www.amazon.ca/ATD-Tools-20-Piece-Twisted-Brush/dp/B00A7ER1L0
Here’s an option, just need use thread lock so they stay put.
I want to make sure we’re taking about the same thing. At 3:30 in this video , he’s pointing at the round bushing installed on the car. That bolt is the one I broke the head off of once. I wouldn’t think you’d harm the bushing doing that but you will have to get the bolt out. I was able to drill a hole in the middle of the bolt and use a kit like this to get it out. It’s a pain because you’re on your back the whole time.
If I misunderstood your situation, let me know.
The cup holders are always broken. Are they special for the VEi? Thought they were the same as the US versions.
They look like this. https://www.amazon.com/HONDA-CIVIC-HOLDER-GRAY-GREY/dp/B01LDZ9UTM