compression has very little to do with burning oil. there are 5 rings on a piston. 2 compression and 3 oil rings. If the engine puts out good compression 190psi and above then most likely the oil rings are good too. If for some reason the oil rings went bad, it would still hold compression, but it will burn oil. Get it.
This is a DSM engine, it burns oil by default. You have bad valve seals.
On your question. You can pull the head and the oil pan and remove the pistons and then reinstall them w/o a problem. And while you there clean the pistons very good; you'll see where the blow by compression passed thtu the rings. Get a $20 Harbour Freight honing tool and hone the cylinder walls with some 10w40 oil. Gap the rings and install them on the piston. Again, Harbor Freight $8 ring compressor will help you get the pistons in the block. Of course you'll need a set of new rod bearings (pre 97 style bearings). New head gasket before the head goes in with new valve seals and at least you need to clean the burnt up deposits on the valve seats.
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