If for whatever reason you mounted the oil rings the wrong way around (swiped bottom and top die), the engine would use oil.
If all 4 are coked up equally, I'd suspect the piston-liner system and a systematic error with this build.
How did the bores look like?
Did you hone the cylinders?
are all 4 equally coked up?
If all 4 are coked up equally, I'd suspect the piston-liner system and a systematic error with this build.
How did the bores look like?
Did you hone the cylinders?
are all 4 equally coked up?