'89 roller-cam LA 360 w/Magnum heads - new roller lifters not pumping up

thesiren74 said
Did you clean them before you soaked them in oil?

Yes, even disassembled one. Didn't see anything out of the ordinary, but I didn't look at the check valve either (first time taking one apart, didn't think of it until I saw it in a forum thread later).

-Kurt