I can't speak to the accuracy of this chart, but this is what I have and you may be able to verify it.
Long & Short Crank Flywheel-Flexplate Part Numbers.pdf

 

So with no luck on the bolts at all I took 7/16 grade 8 bolts and cut off the threaded section... Ran the die over them with the thread I need. Loctite, Installed and torqued to spec. Looks like itll work after going through 6 dies. Guess Ill find out how they hold up when I 4wd launch it.

 

stealership . . . ask for the flex plate bolts for an 80e