Intake manifold pulling oil

Screamin demon72 said

So I used solder wire and did the front and rear runners. Front and rear on passenger side calipered the same top to bottom. Bottom was .0145 and top was .0150

Drivers side the bottom was .0145 and top was .0190 in the back and front runner was .0145 bottom and top was .0195. Don’t know if it matters but the 2 back bolts got a little tight so the 35 lb ft might not be as accurate so didn’t know if that threw off the top a little bit or not. This was all without a gasket on also

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I have never used that method. But if those measures are accurate and representative of the entire intake condition (provided china rails are cleared), then that intake should seal. Make sure to seal water ports and engine block/head interface at the china rail with RTV. You are too close IMO for cork seals on end rails, I would use RTV. I have used Gaskacinch before around intake ports to seal and I had no leaks using it. I would recommend. If it were not for your description of oil soaked intake gaskets, I would say to start looking elsewhere like valve seals, rings, etc. for that oil penetration.