Cool... If my math is correct, with.....
83.5 Bore, 91 Stroke, 84 MHG Bore, 2 Compressed MHG thickness, 40cc Combustion volume, -16 Piston volume, and .20 Piston Deck
I should be around 8.3:1 CR... Or use a 1.2 MHG and bring it up to 8.8:1 CR.
hmm....