408 top end changes, new trick flow heads??

Hey guys so I've decided to make some big changes to the 408. Finally gonna ditch my hydraulic flat tappet cam and go with a solid roller. Ive yet to decide on the Lunati 40200734 or a custom grind from bullet. I'm also going to be ditching the PRW aluminum 1.6 roller and upgrading to either their stainless set up or the comp pro Magnums 1622.

I then got to looking at the new trick flow 190cc heads. I currently have "local guy" ported eddy 65cc heads. I've heard really good things about the trick flows but my concern is the 60cc chamber. My compression right now is 11.48:1 with the current set up. (Icon flat tops 5cc, felpro 1008, .005 deck)
Now I know very little about quench and I'm not sure what can be done so that my compression isnt too high for 94 octane pump gas.
Can chambers be opened up a little?
Thicker head gasket?
Or is 12.3:1 compression ok for 94 octane?

Here's my combo:
408 stroker 150-200 shot nitrous
Icon flat tops 5cc
Camshaft (????)
Port match super victor intake
Frank Lupo Dynamic 9" 4300 stall
4:30 gear
28" tall tire

Thanks for any advice..

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