The 10 and 11 inch clutches use different holes, 1/2" further out for the 11 inch but still 3 x 2 pattern.
The 11" was used with the 3-sp HD trans and 4-sp spur gear (non-synchro) trans; the 10" with the 3-sp Light Duty. You can use an 11" with the 3-sp's but you can't use a 10" with the 4-sp.
It's entirely possible that you just need to adjust the linkage. As a disc wears, the fingers move rearward. Now with a fresh disc they are as far forward as they'll get. Plus you had the flywheel surfaced, that makes a little difference.
There are discs from china that are thicker than spec, too, and that retracts the fingers even further. If that is your situation, you may have trouble getting it to release.
Do not adjust the fingers! Did the shop rebuild the pressure plate? or is it one they ordered in?
PS -- are you sure you got the throwout collar into the fork correctly?
1952 F-1 Flat V8 3-on-the-tree MSD, Rochester 2G, Red's Headers
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