I’m on board for the short fall from an engine stand. I had a much more burly man than I use his bear paws and a vice to gently persuade the plate a lot closer to flat. I got the front two bolt holes that are in the front bearing block tapped for bolts from the front.
Attachments

1954 Chevy 3/4-Ton Chevy
"Mo"
1948-53-54 "Mixed Bag" Chevy Stakebed
"Basket Case"
1952 Chevy 3/4-Ton
"as yet un-named"
In the Stovebolt Gallery
Lots of pictures