David and George,
After your warnings/comments, I took a close look at the inner frame rail. Clearance there was just over 8". I was using 8.25" inner clearance previously. After early morning discussion with my builder, I'm going with 7.25" BS.
If there's an inner clearance issue, I'll live with 1/4" wheel spacers until I do big brakes. They recommend no larger than 1/2" spacers if necessary.
Even with the 25.9" vs. George's 26.4 diameter, I suspect that I'll need to roll inner fenders, per George.
Either way, thanks, as always, for the continued help and insights.
Brian
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