[V4F]

ok , i took measurements this morning ... stock head (*maybe shaved)

head : the chambers (not the valve area , just the flat where the piston is) .. .085

piston above the block :
1) .065
2) .085 ****************
3) .040
4) .068

used head gasket : .070-.075 thick

****** any info greatly appreciated .............. thanks .. steve