Ok, I have room to get a bit in there to drill and tap the block. Can anyone suggest the size to drill/tap it to?

Also, the 216 has a longer pin that pushes the butterfly out away from the block, but the one off the 261 is shorter. Do I need the longer one?
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Last edited by Phak1; 08/20/2024 2:12 PM. Reason: Removed [img] link
1948 Chevy Thriftmaster 3/4-Ton
Poncho "farming" in Ontario
Starting in the DITY
Continuing in the Project Journals
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