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Gary, I'd echo what Harold asked: What was changed before the car started
acting up? Or, did it appear to start backfiring spontaneously?
Often the issue is "maintenance induced".
________________
Sent from my phone
Best Regards,
Al Fuller
On Fri, Sep 26, 2025, 6:57=E2=80=AFAM Harold Manifold <manifold@telus.net> =
wrote:
> At what throttle position does the backfiring occur? One possible cause i=
s
> the timing is too far advanced. Are you able to check the timing at the
> point of backfire? Has any work to the valve train been done prior to the
> backfiring? I would suggest resetting all of the valve clearances.
> Harold
>
> On Thu, Sep 25, 2025 at 2:21=E2=80=AFPM warthodson--- via Healeys <
> healeys@autox.team.net> wrote:
>
>> A club member's BJ8 is backfiring thru the carbs, HD8's. We have adjuste=
d
>> the timing & enrichened the carbs. I plan to revisit both of those
>> settings. What else might be causing this?
>> Thanks,
>> Gary H.
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<div dir=3D"auto"><div>Gary, I'd echo what Harold asked:=C2=A0 What was=
changed before the car started acting up? Or, did it appear to start backf=
iring spontaneously?</div><div dir=3D"auto"><br></div><div dir=3D"auto">Oft=
en the issue is "maintenance induced".</div><div><br></div><div d=
ata-smartmail=3D"gmail_signature">________________<br>Sent from my phone <b=
r>Best Regards,<br>Al Fuller</div></div><br><div class=3D"gmail_quote gmail=
_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Sep 26, 202=
5, 6:57=E2=80=AFAM Harold Manifold <<a href=3D"mailto:manifold@telus.net=
">manifold@telus.net</a>> wrote:<br></div><blockquote class=3D"gmail_quo=
te" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"=
><div dir=3D"ltr">At what throttle position does the backfiring occur? One =
possible=C2=A0cause is the timing is too far advanced. Are you able to chec=
k the=C2=A0timing at the point of backfire? Has any work to the valve train=
been done prior to the backfiring? I would suggest resetting=C2=A0all of t=
he valve clearances.<div>Harold</div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Thu, Sep 25, 2025 at 2:21=E2=80=AFP=
M warthodson--- via Healeys <<a href=3D"mailto:healeys@autox.team.net"; t=
arget=3D"_blank" rel=3D"noreferrer">healeys@autox.team.net</a>> wrote:<b=
r></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex=
;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style=
=3D"font-family:"Comic Sans MS",sans-serif;font-size:16px"><div d=
ir=3D"ltr">A club member's BJ8 is backfiring thru the carbs, HD8's.=
We have adjusted the timing & enrichened the carbs. I plan to revisit =
both of those settings. What else might be causing this?</div><div dir=3D"l=
tr">Thanks,</div><div dir=3D"ltr">Gary H.=C2=A0</div></div></div>__________=
_____________________________________<br>
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er" target=3D"_blank">http://autox.team.net/archive/healeys</a><br>
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er">Healeys@autox.team.net</a><br>
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r noreferrer" target=3D"_blank">http://autox.team.net/mailman/listinfo/heal=
eys</a><br>
<br>
s/manifold@telus.net" rel=3D"noreferrer noreferrer" target=3D"_blank">http:=
//autox.team.net/mailman/options/healeys/manifold@telus.net</a><br>
<br>
</blockquote></div>
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</blockquote></div>
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