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I would put a good set of moly tops with cast seconds and standard tension oil rings and open up the ring gaps up to the maximum recommended by the ring maker you use for your NOS power levels, bigger is better when it comes to ring gap and NOS




I'm with Burge on this one. The n2o/supercharged engines I build use a 1/16" top steel, 1/16" conventional 2nd and 3/16" std oil and bigger is better when it come's to ring gaps.


Jerry Williams.