Quote:
Originally Posted by older racer
I find you have to use a napier second ring with lower tension oil rings. you can run 6 # oils with napier and engine will run dry. without vac pan setup. breathers only. been using this in small block mopars last number of years. wall finish can impact results also.
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DING DING DING We have a winner.
Some of the Mahle pistons I have been using have a 1MM 1MM 2 MM ring pack with very low tension ring pack, So far all my engines seem to like this ring pack.