Hey tech a few questions for you! I calculated my compression to be 9.9 to 1.
.060 flat top trw L2256 with 6.1 cc reliefs
.020 deck
.040 head gasket
64 cc heads
Standard stroke

Am I close with the compression ratio?

When you say squish do you mean deck height and head gasket thickness added up?

I am going to use a retrofit hyd roller cam. A Lunati tech recommended their voodoo 282/290 cam. Specs are:

Advertised duration 282/290
Duration @ .050 ( int/ exh) 231/239
Gross valve lift int/ exh .535/.550
LSA/ ICL 110/106
Rpm range 2400 - 6200

This seems like a lot of cam to me. What do you think? Thanks.