Exactly , Checking compression doesn't tell you much because many people crank multiple times to get the highest reading.
The easiest way to get quench in the above engines short block is to switch to a .021 shim gasket and ditch the 88cc head for a closed chamber head. Yes it will raise your compression but the the net gain will work in your favor , but building it to run on mid grade is a far fetched goal without a piston change also ...
