Exhaust back-ribs stand out too far for the Al-Offie. Separate Ex/Int Mani's, clean surfaces on 3-bolt Hold-Together.
1. Tighten 3 mate-bolts to 3Lbs (no gasket). This give a base as to 'Where You're At.
2...
THE OUTPUT SHAFT BEARING IS OBSOLETE (FAG 2A836) I.D. 1.1645" [/u] O.D. 2.44" W. .63'. SNAPRING
ALTERNATIVE WORKS WELL: (6206) NO SIDE SEALS I.D. 1.181" O.D. 2.44" W. .63" SNAPRING
https://www.ebay.com/itm/1-pc-6206-open ... 8122!US!-1
YOU CUT 3.5" LENGTH OF .008" FEELER GAGE AND SLIDE IT...