You don't need to pull the transmission to get to the flywheel.
If you have a flywheel dust cover mounted, remove it to expose the flywheel.
There, you can pry the teeth against the bell housing to rotate the engine.
Also, you don't need to remove the oil pan, there is a side cover on the engine that can be removed to check the action and condition of your pushrods and lifters.
Jerry


1959 Chevy Apache 3200 Stepside
In the Stovebolt Gallery
Restoration Journal on Facebook

"A government that robs Peter to pay Paul can always depend on the support of Paul." ~ George Bernard Shaw