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--047d7bb03aae6ea0bb052881fb97
The larger aftermarket valves offered by BPNW also have the radius groove
for the keepers.
On Sun, Jan 3, 2016 at 8:32 PM, Steve Yott <tr4@wi.rr.com> wrote:
> In addition to this is Triumph seemed to use their own design for the
> locks.
> Normally a lock has a somewhat square shaped ring on the inner surface and
> the valves use a matching grove. Triumph uses a radius lock and matching
> radius groove in the valve. I have never found a usable replacement lock
> on
> the market and keep a supply of used Triumph parts!
>
> IMHO, I would not use any aluminum alloy retainers as they will wear
> quickly. What we need to do is find someone to reproduce the excellent
> retainers that Ken supplied...
>
> Steve Yott
>
>
> -----Original Message-----
> From: Fot [mailto:fot-bounces@autox.team.net] On Behalf Of Tony Drews
> Sent: Sunday, January 03, 2016 7:16 PM
> To: fot@autox.team.net
> Subject: Re: [Fot] TR-4 Valve Spring Cap / Collar dilemma
>
> Follow up question - does anyone know the angle of the valve keeper for the
> 5/16" valve stems? I'm trying to cross reference to a commonly available
> valve spring retainer / collar.
>
> My measurements are showing 5 to 6.5 degrees. I've found retainers for 7,
> 8
> and 10 degree keepers with either 1.375 or 1.365 OD. 1.375 seems to go
> with
> 7 degrees, 1.365 seems to go with 8 or 10 degree.
>
> Interesting detail - the new alloy retainers from Moss don't fit the new
> keepers from Moss very well. I think their retainers are either mislabeled
> or for a different combination of parts...
>
> Cheers, Tony
>
> At 06:36 PM 1/3/2016, Tony Drews wrote:
> >I'm going through my TR-4 head. Since BFE seems to be out of action, I
> >purchased aluminum valve spring collars / caps from Moss. I find that
> >they are smaller diameter than the cool titanium ones I'm running and
> >smaller than my current springs. Unfortunately, the Titanium ones are
> >wearing and need to be replaced. I don't have stock parts on hand to
> >compare to, so I'm not sure if the Moss part is undersized or if I'm
> >running larger than normal diameter stuff from Ken.
> >
> >The valve spring collar I've removed is 1.365" diameter, the outer
> >spring is 1.380" diameter and the alloy spring collar from Moss is
> >1.260" diameter.
> >
> >Anyone know of a source of lightweight valve spring collars for the
> >1.380" springs?
> >
> >TIA
> >
> >Cheers, Tony Drews
> >
> >_______________________________________________
> >fot@autox.team.net
> >
> >http://www.fot-racing.com
> >
> >Donate: http://www.team.net/donate.html
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> >http://autox.team.net/mailman/options/fot/tony@tonydrews.com
> >
>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
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>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
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--047d7bb03aae6ea0bb052881fb97
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">The=
larger aftermarket valves offered by BPNW also have the radius groove for =
the keepers.=C2=A0</div></div><div class=3D"gmail_extra"><br><div class=3D"=
gmail_quote">On Sun, Jan 3, 2016 at 8:32 PM, Steve Yott <span dir=3D"ltr">&=
lt;<a href=3D"mailto:tr4@wi.rr.com"; target=3D"_blank">tr4@wi.rr.com</a>>=
</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .=
8ex;border-left:1px #ccc solid;padding-left:1ex">In addition to this is Tri=
umph seemed to use their own design for the locks.<br>
Normally a lock has a somewhat square shaped ring on the inner surface and<=
br>
the valves use a matching grove.=C2=A0 Triumph uses a radius lock and match=
ing<br>
radius groove in the valve.=C2=A0 I have never found a usable replacement l=
ock on<br>
the market and keep a supply of used Triumph parts!<br>
<br>
IMHO, I would not use any aluminum alloy retainers as they will wear<br>
quickly.=C2=A0 What we need to do is find someone to reproduce the excellen=
t<br>
retainers that Ken supplied...<br>
<br>
Steve Yott<br>
<div><div class=3D"h5"><br>
<br>
-----Original Message-----<br>
From: Fot [mailto:<a href=3D"mailto:fot-bounces@autox.team.net";>fot-bounces=
@autox.team.net</a>] On Behalf Of Tony Drews<br>
Sent: Sunday, January 03, 2016 7:16 PM<br>
To: <a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>
Subject: Re: [Fot] TR-4 Valve Spring Cap / Collar dilemma<br>
<br>
Follow up question - does anyone know the angle of the valve keeper for the=
<br>
5/16" valve stems?=C2=A0 I'm trying to cross reference to a common=
ly available<br>
valve spring retainer / collar.<br>
<br>
My measurements are showing 5 to 6.5 degrees.=C2=A0 I've found retainer=
s for 7, 8<br>
and 10 degree keepers with either 1.375 or 1.365 OD.=C2=A0 1.375 seems to g=
o with<br>
7 degrees, 1.365 seems to go with 8 or 10 degree.<br>
<br>
Interesting detail - the new alloy retainers from Moss don't fit the ne=
w<br>
keepers from Moss very well.=C2=A0 I think their retainers are either misla=
beled<br>
or for a different combination of parts...<br>
<br>
Cheers, Tony<br>
<br>
At 06:36 PM 1/3/2016, Tony Drews wrote:<br>
>I'm going through my TR-4 head.=C2=A0 Since BFE seems to be out of =
action, I<br>
>purchased aluminum valve spring collars / caps from Moss.=C2=A0 I find =
that<br>
>they are smaller diameter than the cool titanium ones I'm running a=
nd<br>
>smaller than my current springs.=C2=A0 Unfortunately, the Titanium ones=
are<br>
>wearing and need to be replaced.=C2=A0 I don't have stock parts on =
hand to<br>
>compare to, so I'm not sure if the Moss part is undersized or if I&=
#39;m<br>
>running larger than normal diameter stuff from Ken.<br>
><br>
>The valve spring collar I've removed is 1.365" diameter, the o=
uter<br>
>spring is 1.380" diameter and the alloy spring collar from Moss is=
<br>
>1.260" diameter.<br>
><br>
>Anyone know of a source of lightweight valve spring collars for the<br>
>1.380" springs?<br>
><br>
>TIA<br>
><br>
>Cheers, Tony Drews<br>
><br>
>_______________________________________________<br>
><a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>
><br>
><a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_bla=
nk">http://www.fot-racing.com</a><br>
><br>
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get=3D"_blank">http://www.team.net/archive</a><br>
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>Unsubscribe/Manage:<br>
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s/fot/tony@tonydrews.com</a><br>
><br>
<br>
<br>
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<div class=3D"HOEnZb"><div class=3D"h5"><br>
<br>
_______________________________________________<br>
<a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>
<br>
<a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_blank">=
http://www.fot-racing.com</a><br>
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et=3D"_blank">http://www.team.net/donate.html</a><br>
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</div></div></blockquote></div><br></div>
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/archive
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