Ring gap concern
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Hi Guys,
Getting started on my rebuild and I have some concerns on ring gaps. I have speed pro forged pistons stock bore 3.898. Instructions with the Mahle rings are calling for top gap at .004 x 1" bore. All my measurements are between .020 & .021 ? This was a turbo motor but I'm building for NA now. Per instructions my gap is out of spec. Should I order some file to fit or oversized rings or is this a reasonable tolerance?
Thanks for any advice!
Getting started on my rebuild and I have some concerns on ring gaps. I have speed pro forged pistons stock bore 3.898. Instructions with the Mahle rings are calling for top gap at .004 x 1" bore. All my measurements are between .020 & .021 ? This was a turbo motor but I'm building for NA now. Per instructions my gap is out of spec. Should I order some file to fit or oversized rings or is this a reasonable tolerance?
Thanks for any advice!
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Thanks.. Should I stiil increase the 2nd ring gap over the first to help control fluttering? Or is ok to have both ring gaps the same? Is see most threads say to gap 2nd ring larger