Don't get it right, just get it running. 85 318 roller

You can die grind the pushrod holes of LA heads if that is what you must use

https://www.forabodiesonly.com/mopar/threads/pushrod-angle-problems.131950/
https://www.forabodiesonly.com/mopar/threads/roller-block-pushrods-rubbing-against-head.442592/