have a 1996 bonneville the oil is not getting to the engine, any ideas why

what do you mean, you have no oil pressure?

Vehicle has 80 lbs oil press. Not coming thru push rods to valve train

How often is your oil changed...your passage ways may be gummed up with sludge..

lifters and pushrods are last so if you actually have 80lbs at the sensor sounds like you have a blockage in one of the passage ways i dont know that much about the internals on a 3800 hopefully someone else will.

ive seen lifters gum up and keep oil from reaching the push rods and rockers (happend to me) and its from the oil not being chaged often enough.

lifters are not gummed up passage ways are clear.

is there lifter noise ?

Oil pump could be going bad..IIRC the sensor is on the bottom of the engine so it may b working just enough to cover the bottom but not enough to push it up top

If the lifters are filling up then it should be climbing the push rods, that'* where the oil goes after the lifters. I guess it'* possible all the push rods are clogged. have you tried using some seafoam in the oil? That should clear any sludge. Just make sure you do a oil change after the seafoam.