Cheon,
That defiantly is not a 216cu. It’s a later 235cu. Probably full pressure. When she is running, what’s the oil pressure. 235 at idle is around 25 to 30 psi. Mine was a 216 until it let go, doing what it shouldn’t have been doing! 65 mph for at least 1.5hrs on the turnpike heading to a gathering. Now the truck is equipped with a newer 235 heart and cruising easily at 65mph. “Oh” the rear has been also upgraded to the 4:10. That info can be found in the this site!
Good luck!
Jim
