Low oil pressure

Dropped it in my duster and when it starts cold the oil pressure was at about 50lbs, and then 25 when it warmed up. Now it's dropped to 40 cold, 18 when it warms up to 180. When you put it in gear it drops to 10 lbs, but comes back up to 40 lbs when its running at 2000 rpm. No noise in the top end at all.

That's concerning.

I agree with RRR, try a new filter then go from there. It doesn't get much easier than changing the filter. Pulling the pan in the car isn't fun but it's easier than pulling the engine, IMO. If it gets worse that'd be the next step i'd take. Plasti gauge the bearings and check for wear, if everything looks fine then your oil pump might be takin' a dive on ya. There's only so many things that affect oil pressure.

Hopefully it's an easy fix for you and then you can get back to enjoying that 340. :burnout: