Originally Posted by 68NovaSS
By turning the plate, do you mean rotating it or flipping it over? Could it be installed backwards? The ring gear looks to be quite a distance from the block, but the pictures don't show the bellhousing/trans flange area.
You said the tooth mesh is fine, do you have the correct clearance with the starter is engaged? Not binding?
Rotating. It's a crate engine, so backwards (flipped) isn't likely. 'Sides, the bosses at the torque converter bolt holes are impressed outward, towards the TC as they need to be.