[AJD] Oversize piston rings

[John Boehm]

Thanks everyone for the helpful advice on filing down
the piston rings. I was confident enough to give it a
try after your replies. However, since Greg Stephen
still has some NOS .030 over rings available, I
decided to go ahead and order a set from him. Thanks
again,

John Boehm
Woodland, CA
Visit my web site at http://vintagetractors.com



--- Jim Showers <steamcar at frontiernet.net> wrote:

> Niagara Piston Rings makes custom rings.  They
> charged $54 for a pair of 
> step cut 8 1/2" diameter by 1/2" wide rings for my
> traction engine last 
> year.  Their number is:  716-875-8253
> Jim Showers
> 
> ----- Original Message ----- 
> From: "John Boehm" <rustyacres at yahoo.com>
> To: "Antique John Deere"
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Tuesday, September 26, 2006 7:11 PM
> Subject: [AJD] Oversize piston rings
> 
> 
> > I'm rebuilding the engine on a  1938 JD B, 4 1/4"
> > cylinder bore. The best block and pistons that I
> have
> > are .030 oversized. In checking with Deere, .030
> over
> > piston rings are no longer available, but .045
> over
> > rings still can be obtained. I also checked with
> my
> > local machine shop as they have been able to
> obtain
> > obselete sized rings in the past. They struck out
> this
> > time and could not get the .030 over either. The
> > machine shop suggested getting the .045 rings from
> > Deere  and then carefully file and fit the rings
> to
> > the cylinder until I have proper end gap on the
> rings
> > (checking end gap at various points in the bore).
> >
> >
> > Which brings up the question I would like to post
> to
> > list members. Is this proceedure possible or will
> I
> > run iunto some problem that I haven't forseen. The
> > alternative is to have a set of rings custom made,
> > which would be at least twice as expensive. I
> would
> > appreciate your opinions both for and against
> using
> > the filed down rings.
> >
> > Thanks,
> >
> > John Boehm
> > Woodland, CA
> > Visit my web site at http://vintagetractors.com
> >
> >
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