Subject: Re: [Healeys] Timing mark

From: warthodson--- via Healeys <[email-masked]>
Date: Wed, 24 Apr 2019 14:36:11 +0000 (UTC)

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If the timing light you recently purchased is a "dial back to zero type" th=
en this is the procedure I use:
Make sure there is a clearly visible mark at zero (0), I.E. TDC (top dead c=
enter) on the harmonic balancer. Make sure you can identify it when the eng=
ine is running & not get it confused with the one you put on at 15 degrees =
BTDC.=C2=A0
Disconnect the vacuum advance tube from the distributor & start the engine.=
 Have someone bring the engine up to about 3500RPM. This RPM should assure =
that the distributor is at the full mechanical advance. Turn the dial on th=
e timing light until the TDC mark on the damper aligns with the pointer on =
the engine. Read the number of degrees advanced on the dial of the timing l=
ight. I usually set mine at or near 32 degrees full advance. Rotate the dis=
tributor to achieve the full advance you desire. =C2=A0
Let the engine idle and without changing the distributor position check the=
 advance at idle. Mine is 12-15 degrees at 900 RPM.=C2=A0
Gary Hodson

-----Original Message-----
 From : simon. lachlan <[email-masked]>
To: Healeys <[email-masked]>
Sent: Wed, Apr 24, 2019 7:22 am
Subject: [Healeys] Timing mark

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1619980 filtered {margin:72.0pt 72.0pt 72.0pt 72.0pt;}#yiv1861619980 div.yi=
v1861619980WordSection1 {}#yiv1861619980 #yiv1861619980 I bought a ProRace =
Harmonic Balancer a few months back and installed it whilst attending to so=
me other engine chores=E2=80=A6.new oil pump, engine mounts, reverting to S=
Us from Webers etc. =C2=A0Soooo=E2=80=A6.I was given sensible advice to mar=
k the 15=C2=B0 line on the balancer as the markings are virtually invisible=
 once the thing=E2=80=99s installed, let alone spinning at +/- 1,000rpm.  =
=C2=A0Now for the confession. The car=E2=80=99s not been running brilliantl=
y=E2=80=A6.some hesitation, particularly under load, from +/- 4,000 rpm. Le=
aving out fuel issues for the sake of this discussion, I was thinking about=
 the timing again. And I know that it=E2=80=99s been showing 15=C2=B0 BTDC =
with my brand new timing light. But I was still not sure so I looked at the=
 photo of my painted timing mark. It shows that I managed to put the paint =
on the 16 mark. Now, 1=C2=B0 isn=E2=80=99t a lot but I can foresee the pote=
ntial of making it worse when I take up the lamp again.  =C2=A0My question =
is this. What do I dial into the timing light to account for the mark being=
 1=C2=B0 out? (If I go the wrong way, I=E2=80=99ll be 2=C2=B0 out).Thanks,S=
imon_______________________________________________

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<div id=3D"yiv1861619980">
<div><font color=3D"black" face=3D"arial" size=3D"2">
</font>
<div>If the timing light you recently purchased is a "dial back to zero typ=
e" then this is the procedure I use:</div>

<div><br clear=3D"none">
</div>

<div>Make sure there is a clearly visible mark at zero (0), I.E. TDC (top d=
ead center) on the harmonic balancer. Make sure you can identify it when th=
e engine is running &amp; not get it confused with the one you put on at 15=
 degrees BTDC.&nbsp;</div>

<div><br clear=3D"none">
</div>

<div>Disconnect the vacuum advance tube from the distributor &amp; start th=
e engine. Have someone bring the engine up to about 3500RPM. This RPM shoul=
d assure that the distributor is at the full mechanical advance. Turn the d=
ial on the timing light until the TDC mark on the damper aligns with the po=
inter on the engine. Read the number of degrees advanced on the dial of the=
 timing light. I usually set mine at or near 32 degrees full advance. Rotat=
e the distributor to achieve the full advance you desire. &nbsp;</div>

<div><br>
</div>

<div>Let the engine idle and without changing the distributor position chec=
k the advance at idle. Mine is 12-15 degrees at 900 RPM.&nbsp;</div>

<div><br>
</div>

<div>Gary Hodson</div>

<br clear=3D"none">
<br clear=3D"none">

<div style=3D"font-family:arial, helvetica;font-size:10pt;color:black;">---=
--Original Message-----<br clear=3D"none">
 From : simon. lachlan &lt;[email-masked]&gt;<br clear=
=3D"none">
To: Healeys &lt;[email-masked]&gt;<br clear=3D"none">
Sent: Wed, Apr 24, 2019 7:22 am<br clear=3D"none">
Subject: [Healeys] Timing mark<br clear=3D"none">
<br clear=3D"none">

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<div>

<div class=3D"yiv1861619980WordSection1">

<div class=3D"yiv1861619980MsoNormal">I bought a ProRace Harmonic Balancer =
a few months back and installed it whilst attending to some other engine ch=
ores=E2=80=A6.new oil pump, engine mounts, reverting to SUs from Webers etc=
.</div>

<div class=3D"yiv1861619980MsoNormal"> &nbsp;</div>

<div class=3D"yiv1861619980MsoNormal">Soooo=E2=80=A6.I was given sensible a=
dvice to mark the 15=C2=B0 line on the balancer as the markings are virtual=
ly invisible once the thing=E2=80=99s installed, let alone spinning at +/- =
1,000rpm. </div>

<div class=3D"yiv1861619980MsoNormal"> &nbsp;</div>

<div class=3D"yiv1861619980MsoNormal">Now for the confession. The car=E2=80=
=99s not been running brilliantly=E2=80=A6.some hesitation, particularly un=
der load, from +/- 4,000 rpm. Leaving out fuel issues for the sake of this =
discussion, I was thinking about the timing again. And I know that it=E2=80=
=99s been showing 15=C2=B0 BTDC with my brand new timing light. But I was s=
till not sure so I looked at the photo of my painted timing mark. It shows =
that I managed to put the paint on the 16<span style=3D"font-size:11.0pt;">=
<img width=3D"5" height=3D"17" id=3D"yiv1861619980_x0000_i1025" style=3D"wi=
dth:.0555in;min-height:.1805in;" src=3D"cid:21FTPRyuiZujNJ7XhSJV"></span> m=
ark. Now, 1=C2=B0 isn=E2=80=99t a lot but I can foresee the potential of ma=
king it worse when I take up the lamp again. </div>

<div class=3D"yiv1861619980MsoNormal"> &nbsp;</div>

<div class=3D"yiv1861619980MsoNormal">My question is this. What do I dial i=
nto the timing light to account for the mark being 1=C2=B0 out? (If I go th=
e wrong way, I=E2=80=99ll be 2=C2=B0 out).</div>

<div class=3D"yiv1861619980MsoNormal">Thanks,</div>

<div class=3D"yiv1861619980MsoNormal">Simon</div>

</div>

</div>

</div>
</div>

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