[Healeys] Backfiring thru the carbs

[Al Fuller]

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".

________________
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Best Regards,
Al Fuller

On Fri, Sep 26, 2025, 6:57 AM Harold Manifold <manifold at telus.net> wrote:

> 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.
> Harold
>
> On Thu, Sep 25, 2025 at 2:21 PM warthodson--- via Healeys <
> healeys at autox.team.net> wrote:
>
>> 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?
>> Thanks,
>> Gary H.
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