So guys I have an fn2 type r with 77k miles I bought it this month as a project for summers nurburgring track. I haven't driven this car as when bought it from the auction I found the engine rattling so got it recovered to my house and been trying to investigate the problem with it. I'm an Automotive engineer as a profession so with my knowledge and skills I made several assumptions as to what must have caused the engine rattle but still got many things in my mind so before I strip off the whole engine I'll need suggestions from honda guys. So I have uploaded videos of the rattle noise and stripped the cam cover and found timing chain loose, so please have a look at the videos and help me identify the issue. If worse come worse I will swap it with whole k20 but it be shame to leave this low mileage engine on side for k24 bottom project. Any help will be gratefully appreciated.
https://youtu.be/T3IivsKP4xA rattling video
https://youtu.be/nhC5NisB6e4 cam cover stripped
Update: I have checked the TDC on the chain and now I found out that it has skipped 2 teeth on timing chain. Wonder if replacing chain will fix without any damages or I have just one option to swap engine and work on it slowly with k24 bottom.
https://youtu.be/5M4VP369nuQ timing chain skip
https://youtu.be/T3IivsKP4xA rattling video
https://youtu.be/nhC5NisB6e4 cam cover stripped
Update: I have checked the TDC on the chain and now I found out that it has skipped 2 teeth on timing chain. Wonder if replacing chain will fix without any damages or I have just one option to swap engine and work on it slowly with k24 bottom.
https://youtu.be/5M4VP369nuQ timing chain skip
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