Yeah ditto on the blower thing. Did the ring instructions come with a gap setting for blown orr nitroused engines? I know they need to be gapped due to more heat and from my understanding the KB hypereutectics are really demanding when it comes to ring gap and piston clearence! Might want to contact there tech dept. (KB). Anyways I've heard of more than a few sets of KB pistons going south because the guys building the engines just slapped them in.
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