justinzturbo Posted February 26, 2010 Share Posted February 26, 2010 i was reading the stamping on the tops of my pistons, i noticed i have one different piston. they all say "p90" and 5 have "34"... the first one has a "45". is it possible i have one na piston? Quote Link to comment Share on other sites More sharing options...
Scott_M67 Posted February 28, 2010 Share Posted February 28, 2010 You can easily tell by looking at the side of the pistons and comparing the ring gaps, the turbo pistons have a larger gap between rings. Quote Link to comment Share on other sites More sharing options...
mldub2 Posted February 28, 2010 Share Posted February 28, 2010 (edited) i have the same thing it was #3 piston Edited February 28, 2010 by mldub2 Quote Link to comment Share on other sites More sharing options...
justinzturbo Posted March 1, 2010 Author Share Posted March 1, 2010 i have two n42 dished blocks, and they have random number variations also...so assuming thats normal, im guessing it has something to do with balancing the rotating assembly since the "l series'" are balanced from factory. who here knows for sure???? Quote Link to comment Share on other sites More sharing options...
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