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John,
Last month I had my tach rebuilt by West Valley Instruments in Reseda Calif=
ornia. I had it done so that it would work with electronic ignition or poin=
ts. It=E2=80=99s more expensive to rebuild for electronic ignition, IIRC $3=
15 including return shipping. I think it is $285 to have it rebuilt for poi=
nts. It becomes electronic pick up instead of induction pick up, i.e. the l=
oop in the back of the tach is replaced by a single wire sticking out. You =
have to connect that single wire to the distributor side of the coil. I use=
d the white w/ black tracer wire for the trunk battery master switch that g=
rounds the points. I had to cut it off from the wire that it is paired with=
and add a spade connector to attach it to the other coil terminal. This wi=
re has a junction right in front of the driver side of the firewall. I repl=
aced the single Lucas connector with a double and tied the white wire from =
the tach into that wire and ran it through an existing grommet hole in the =
firewall. This connects the distributor side of the coil and the tach witho=
ut adding a non-original looking wire to your harness. It grounds the tach =
when the battery switch is off, which of course is not a problem. My only c=
omplaint is that the tachometer needle seems to have a lot of dampening, bu=
t that shouldn=E2=80=99t really be an issue.
Chuck Ott67 BJ8, 69 AN9
> On Nov 24, 2020, at 3:29 PM, John OBrien <banjojohn@cox.net> wrote:
>=20
> =EF=BB=BFHi Listers:
>=20
> The tach on=C2=A0 my BJ8 does not show the correct RPMs.=C2=A0 On a cool =
morning it shows what I believe is fairly close to the right numbers, but a=
s the car warm, or the day warms, it reads higher and higher for the same s=
peed.=C2=A0 I know it is not the clutch slipping.=C2=A0 I saw some articles=
in Healey Marque magazine showing how to rebuild and test them, but it req=
uires a oscilloscope and some other specialized equipment I don't have, so =
I'm wondering if you guys have a recommendation for someone that might rebu=
ild them.
>=20
> I imagine there is also some info in the archives, but my antivirus softw=
are flags the archive site as a malicious website and doesn't want to let m=
e access it.
>=20
> Thanks for any info.
>=20
> John O'Brien
>=20
> '61 bugeye (Lucy)
>=20
> '65 BJ8 (Madelyn)
>=20
>=20
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation=C2=A0 $12.75
>=20
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ive
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ueo@aol.com
>=20
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<div style=3D"color:black;font: 10pt Arial, Helvetica, sans-serif;">
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">
<div dir=3D"ltr">John,<br clear=3D"none"><br clear=3D"none">Last month I ha=
d my tach rebuilt by West Valley Instruments in Reseda California. I had it=
done so that it would work with electronic ignition or points. It=E2=80=99=
s more expensive to rebuild for electronic ignition, IIRC $315 including re=
turn shipping. I think it is $285 to have it rebuilt for points. It becomes=
electronic pick up instead of induction pick up, i.e. the loop in the back=
of the tach is replaced by a single wire sticking out. You have to connect=
that single wire to the distributor side of the coil. I used the white w/ =
black tracer wire for the trunk battery master switch that grounds the poin=
ts. I had to cut it off from the wire that it is paired with and add a spad=
e connector to attach it to the other coil terminal. This wire has a juncti=
on right in front of the driver side of the firewall. I replaced the single=
Lucas connector with a double and tied the white wire from the tach into t=
hat wire and ran it through an existing grommet hole in the firewall. This =
connects the distributor side of the coil and the tach without adding a non=
-original looking wire to your harness. It grounds the tach when the batter=
y switch is off, which of course is not a problem. My only complaint is tha=
t the tachometer needle seems to have a lot of dampening, but that shouldn=
=E2=80=99t really be an issue.<br clear=3D"none"><br clear=3D"none">Chuck O=
tt</div>
<div dir=3D"ltr">67 BJ8, 69 AN9</div>
<div dir=3D"ltr"><br clear=3D"none">
<div class=3D"yqt4552596972" id=3D"yqtfd40351"><br clear=3D"none">> On N=
ov 24, 2020, at 3:29 PM, John OBrien <<a shape=3D"rect" ymailto=3D"mailt=
o:banjojohn@cox.net" href=3D"mailto:banjojohn@cox.net";>banjojohn@cox.net</a=
>> wrote:<br clear=3D"none">> <br clear=3D"none">> =EF=BB=BFHi Lis=
ters:<br clear=3D"none">> <br clear=3D"none">> The tach on my B=
J8 does not show the correct RPMs. On a cool morning it shows what I =
believe is fairly close to the right numbers, but as the car warm, or the d=
ay warms, it reads higher and higher for the same speed. I know it is=
not the clutch slipping. I saw some articles in Healey Marque magaz=
ine showing how to rebuild and test them, but it requires a oscilloscope an=
d some other specialized equipment I don't have, so I'm wondering if you gu=
ys have a recommendation for someone that might rebuild them.<br clear=3D"n=
one">> <br clear=3D"none">> I imagine there is also some info in the =
archives, but my antivirus software flags the archive site as a malicious w=
ebsite and doesn't want to let me access it.<br clear=3D"none">> <br cle=
ar=3D"none">> Thanks for any info.<br clear=3D"none">> <br clear=3D"n=
one">> John O'Brien<br clear=3D"none">> <br clear=3D"none">> '61 b=
ugeye (Lucy)<br clear=3D"none">> <br clear=3D"none">> '65 BJ8 (Madely=
n)<br clear=3D"none">> <br clear=3D"none">> <br clear=3D"none">> _=
______________________________________________<br clear=3D"none">> Suppo=
rt Team.Net <a shape=3D"rect" href=3D"http://www.team.net/donate.html"; targ=
et=3D"_blank">http://www.team.net/donate.html</a><br clear=3D"none">> Su=
ggested annual donation $12.75<br clear=3D"none">> <br clear=3D"no=
ne">> Archive: <a shape=3D"rect" href=3D"http://www.team.net/pipermail/h=
ealeys " target=3D"_blank">http://www.team.net/pipermail/healeys </a><a sha=
pe=3D"rect" href=3D"http://autox.team.net/archive"; target=3D"_blank">http:/=
/autox.team.net/archive</a><br clear=3D"none">> <br clear=3D"none">> =
<a shape=3D"rect" ymailto=3D"mailto:Healeys@autox.team.net"; href=3D"mailto:=
Healeys@autox.team.net">Healeys@autox.team.net</a><br clear=3D"none">> <=
a shape=3D"rect" href=3D"http://autox.team.net/mailman/listinfo/healeys"; ta=
rget=3D"_blank">http://autox.team.net/mailman/listinfo/healeys</a><br clear=
=3D"none">> <br clear=3D"none">> Unsubscribe/Manage: <a shape=3D"rect=
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@aol.com</a><br clear=3D"none">> </div>
</div>
</div>
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