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I installed new 3.3 turbo Mahle Pistons and Cylinders a few years ago and positioned the ring gaps like the factory manual says in the diagram above.
I posted that diagram a few years ago.
When I pulled the old 3.3 Mahle pistons and rings out the ring gaps were real close to the same positions.. like within 1 to 1.5 inches from the same positions.
I think this ring gap moving around while the motor is running stuff is over rated by internet hearsay.
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