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I5 piston rings

I've got my Ur-q engine (mb) stripped down now. Pulled the pistons out this
afternoon and found that on 4 of them the ring gaps were staggered by no
more than 30 degrees and the other was closer to 45, when I expected to see
something more like 120.

Am I wrong or should the ring gaps be at 120 degrees?

Jim Haseltine