<div dir="auto"><div>Gary, I'd echo what Harold asked:  What was changed before the car started acting up? Or, did it appear to start backfiring spontaneously?</div><div dir="auto"><br></div><div dir="auto">Often the issue is "maintenance induced".</div><div><br></div><div data-smartmail="gmail_signature">________________<br>Sent from my phone <br>Best Regards,<br>Al Fuller</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Sep 26, 2025, 6:57 AM Harold Manifold <<a href="mailto:manifold@telus.net">manifold@telus.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">At what throttle position does the backfiring occur? One possible cause is 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.<div>Harold</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Sep 25, 2025 at 2:21 PM warthodson--- via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank" rel="noreferrer">healeys@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"Comic Sans MS",sans-serif;font-size:16px"><div dir="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="ltr">Thanks,</div><div dir="ltr">Gary H. </div></div></div>_______________________________________________<br>
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