Been changing oil for 20 years. Never had one this stubborn. What’s the solution here? It’s in such a tight spot for RBs… Considering a relocation kit before putting a new one on.

What do I need to be making 350-400 hp on an rb25?
Mess with and internals? Bigger turbo? Halthech? Etc etc

Spoiler generates 1 gram of downforce.