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'91 305 burning oil
I know my 87 camaro 5.7 burned oil and it had fairly low mileage. I seem to recall that chevy had a problem with valve oil-seals. I never got around to replacing the oil seals before selling it.
If I check the compression, I could still get a high reading since the compression rings would be ok, but the oil ring(s) shot.
At least 1 plug is oil-fouled.