In my experience the 8 inch rim hooks fine and is insignificantly faster, maybe 01 to.02 hard to measure but not slower.
The 10 inch rim in my opinion is not faster but hooks better than an 8 inch rim if your suspension is so so or you are on an iffy track. I have run the same 8 inch rim with both the big block and small block with no problems hooking.
Hope this is helpful.
