Thanks 3B.
I modified my trans as per the specs on this site.
Worked out to be the exact same as the trans I pulled out.
I believe it’s the SM-420.
Then I hit the wall with the wrong bolt pattern.
Hole 4.625 “
Bolt pattern top 8.25”
Bolt pattern bottom 9.125
If I knew how to post pictures I would.

Last edited by FB42; 01/22/2018 6:52 AM. Reason: Added specs