John Bruh Posted April 16, 2009 Report Share Posted April 16, 2009 Anyone ever done this? Does it need to be done? I blew the oil filter o-ring with dan s out of my motor when we were tuning and the exact same thing happened to a guy on galantvr4.org. They were telling him that he needed to do this. Is that correct? Also what about the hole in the piston on the relief valve anyone have to port it for crankcase pressure? Quote Link to comment Share on other sites More sharing options...
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