.............some grinding on your starter adapter. Have you bolted the adapter to a bellhousing to grind a true profile of the BH's shape to replicate the starter's mount? Rod.
Mickey Thompson's 63 1/2 #997 S/S Hi-Rise 427 Lgt/Wgt Galaxie,
1957 C-600 Cab-over carhauler w/390-4V, 2-speed rear-end
FGCofA member #4908
MCGC member #75
"There will ALWAYS be an FE in my LiFE"