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I think your measurement is in inches, not mm. Vacuum line has to do with
ignition timing, not dwell angle, so there shouldn't be a change in the gap
unless your points plate is worn out. I'd say your setting is spot on for
a Spitfire.
On Thu, Dec 22, 2022 at 10:39 PM Ray Mihalko via Wpta <wpta@autox.team.net>
wrote:
> All,
> I recently gapped a new set of points to .015 mm, on the Spitfire then
> wanted to check the dwell angle. My son and I checked the dwell this
> afternoon and found it to be slightly out of spec at 42.3 degrees. Spec
> shows 40-42 degrees.
>
> Does one take the vacuum advance hose off so it is a =E2=80=98true=E2=80=
=99 angle
> measurement? Mine is connected and visually pulls a vacuum on the
> distributor. Is this small amount mean there should be less or more of a
> gap?
>
> Thanks for your help!
> Ray Mihalko
> Sent from my iPhone
> _______________________________________________
> wpta@autox.team.net
>
> -------------------------------------
>
> http://www.wptriumph.org
>
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>
>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">I t=
hink your measurement is in=C2=A0inches, not mm.=C2=A0 Vacuum line has to d=
o with ignition timing, not dwell angle,=C2=A0so there shouldn't be a c=
hange in the gap unless your points plate is worn out.=C2=A0 I'd say yo=
ur setting is spot on for a Spitfire.=C2=A0=C2=A0</div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Dec 22, 2022=
at 10:39 PM Ray Mihalko via Wpta <<a href=3D"mailto:wpta@autox.team.net=
">wpta@autox.team.net</a>> wrote:<br></div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex">All,<br>
I recently gapped a new set of points to .015 mm, on the Spitfire then want=
ed to check the dwell angle.=C2=A0 My son and I checked the dwell this afte=
rnoon and found it to be slightly out of spec at 42.3 degrees. Spec shows 4=
0-42 degrees. <br>
<br>
Does one take the vacuum advance hose off so it is a =E2=80=98true=E2=80=99=
angle measurement?=C2=A0 Mine is connected and visually pulls a vacuum on =
the distributor.=C2=A0 Is this small amount mean there should be less or mo=
re of a gap?<br>
<br>
Thanks for your help!<br>
Ray Mihalko<br>
Sent from my iPhone<br>
_______________________________________________<br>
<a href=3D"mailto:wpta@autox.team.net"; target=3D"_blank">wpta@autox.team.ne=
t</a><br>
<br>
-------------------------------------<br>
<br>
<a href=3D"http://www.wptriumph.org"; rel=3D"noreferrer" target=3D"_blank">h=
ttp://www.wptriumph.org</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/archiveUnsubscribe/Manage"; rel=3D"n=
oreferrer" target=3D"_blank">http://www.team.net/archive<br>
ta/johnstydo@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.t=
eam.net/mailman/options/wpta/johnstydo@gmail.com</a><br>
<br>
<br>
</blockquote></div>
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