Thanks for all the info guys.
I'm kind of at a standstill till I raise some $$ to finish the project. The way things are right now,I might end up selling the 8.5 to raise some $$ for bills!
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‘63 LeMans- ‘69 400 w/ original transaxle. 2.69 gears.
‘55 Catalina
‘62 Mercury Meteor-all original, bought new by my grandfather
71' GTO -original 400/4-speed/3.23 posi
13.95 @ 102.1 on street tires @ 4055lbs.-now my sons ride