FE Power Forums

FE Power Forums => FE Technical Forum => Topic started by: cjshaker on May 06, 2015, 10:20:25 AM

Title: What hone grit for moly rings?...
Post by: cjshaker on May 06, 2015, 10:20:25 AM

I'm wondering what the latest thinking is on hone grits for different types of rings used. I'll be replacing the rings in my 390 with moly faced rings since it'll be a heavy load hauler and I need to get a new hone. My old stones are wore out, but since my bores are not fresh, I'll probably use a dingle berry hone.

Title: Re: What hone grit for moly rings?...
Post by: Falcon67 on May 13, 2015, 12:10:44 PM

Check with the ring manufacturer.  It seems to run from 220 to 400.  I use a 320 hone and just split the middle.

Title: Re: What hone grit for moly rings?...
Post by: machoneman on May 13, 2015, 07:03:45 PM

2X. See:

http://www.enginebuildermag.com/2006/01/high-performance-piston-rings-and-cylinder-finishes/

Title: Re: What hone grit for moly rings?...
Post by: cjshaker on May 13, 2015, 11:05:04 PM

That's what I was going to do, check with the ring maker.

Thanks for the link, Bob. That's an interesting article.

Title: Re: What hone grit for moly rings?...
Post by: Ford428CJ on May 17, 2015, 09:32:26 AM

That is your best bet! Always check with the ring manufacturer. They would tell you.... JMHO