Counts are normal, if its not retarding its fine. If you wish to dial in timing there are several write ups on it.
My advice is take it slow
On the third gen forum there was a spreadsheet for creating a spark table.
Just remember the heads don't like as much timing as the old open chambers, and 87 octane probably doesn't tolerate much if any more than stock unless you have a big cam that bleeds off compression.
I think I would try changing the zero's to 2's and log it and see if retards, if no noticeable performance increase I would put it back to stock. just my $0.02
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