You may be right skeet, I did a quick search and saw 9.5:1 so you may be right.

I am sure milling .020-.025 would get you 10:1, Which would be a decent CR, But not sure if its worth it. On a Lq4 I would do a bad ass set of milled and P&P 243s and net you around 10.5:1-11:1 and call it a day.