Quote Originally Posted by jetmech View Post
Now that's the kind of answer I was looking for. Thanks dude. BTW, which heads will get an LS1's CR a little higher than 9.2?
I posted a calculator for a reason. Don't be lazy, you have the tools right in front of you.

By the way, LS1 with 243s is 10ish. If 317s are 9.2, there is not really anything in between that is worth a damn. You can have the 317s milled to raise compression.