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#1 |
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BANNED
Join Date: Jun 2012
Location: Long Island,NY
Posts: 1,568
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I have heard of knurling a piston to decrease the slop but these things I have never seen. So if I read it correctly, they actually expanded the piston, did these thing really work?
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#2 |
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Senior Member
Join Date: May 2010
Location: Illinois
Posts: 2,249
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We tore down a Model A engine a couple of months ago that had those in the pistons. Had no idea what the were for.
John |
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