intake manifold leaking oil into cylinders. any ideas?

well I think I have found it. At least I hope I have
I checked every angle i could and couldn't find anything wrong at all.
Then i decided to go back to basics and check every thing from the start. The shaft on the bolts are too long. They run out of thread just perfectly as they touch the manifold with no gasket.
I screw them in until the run out of thread and with no gasket or washer they sit up above the manifold. If i put on the washer then they bottom out just as the washer touches. So if i ad the gasket they seem fine but its so close that i cant help but think this must be the problem.