A more cost effective approach would be to find an off-the-shelf gear of
the right diameter and pitch, and then machine it or a mating hub to
allow the correct interface with the cam. This would also allow for
adjustability of cam timing.
Pete
> -----Original Message-----
> From: sidney raper [mailto:spl310@hotmail.com]
> Sent: Thursday, May 16, 2002 10:11 AM
> To: datsun-roadsters@autox.team.net
> Subject: Re: Timing gears...again.
>
>
> OK, I know virtually nothing about what I am about to ask,
> but why couldn't
> a unit be milled out of billet steel and heat treated? I
> cannot imagine
> that it would cost the obscene money that the stock units are getting.
>
> Sid
>
>
> >From: "Gary K. McCormick" <svgkm@halley.ca.essd.northgrum.com>
> >Reply-To: "Gary K. McCormick" <svgkm@halley.ca.essd.northgrum.com>
> >To: datsunmike <datsunmike@nyc.rr.com>
> >CC: Brian Rourke <bbtmc@ozemail.com.au>,
> datsun-roadsters@autox.team.net
> >Subject: Re: Timing gears...again.
> >Date: Thu, 16 May 2002 07:00:04 -0700
> >
> >I believe he is talking about newly fabricated sprockets, not
> >retro-treating existing
> >units.
> >
> >Gary McCormick
> >San Jose, CA
> >
> >datsunmike wrote:
> >
> > > I do believe the gears are already hardened. You could
> try the freeze
> >method
> > > which is supposed to make parts last longer.
> > >
> > > Mike
> > >
> > > ----- Original Message -----
> > > From: "Brian Rourke" <bbtmc@ozemail.com.au>
> > > To: <datsun-roadsters@autox.team.net>
> > > Sent: Wednesday, May 15, 2002 10:19 PM
> > > Subject: Timing gears...again.
> > >
> > > > I know that a local 2000 sports specialist here in OZ
> is talking about
> > > > experimenting with hardened alloy sprockets for the U20
> engine. Should
> >be
> > > > interesting to see the results....
> > > >
> > > > Cheers all, Brian Rourke 1970 2000 solex.
> > > >
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>
>
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