Correct level of dash pot oil seems to help with mine, but if it is
backfiring as bad as it sounds I doubt that is your problem, I would look
at the valves. Make sure they are adjusted correctly, if they are you may
need to rebuild the head (I think).
James Nazarian
Boulder, CO
'71 B roadster
'71 BGT rust free and burnt orange
'74 BGT going by-by soon
'63 Buick 215
On Tue, 23 Nov 1999, Ryan Watson wrote:
> Hello Listfolk!
>
> Once again I seek the benefit of your collective experience and wisdom!
>
> My poor little B is backfiring up through the carb. Starts up OK and
> drives around, but when I try to give it some throttle and get up to speed
> it start spitting back at me. I can't get the revs up much past 2900 under
> load. This problem came on rather suddenly after having been driven to
> work on our first cold snowy day. Did OK in the morning, but not in the
> afternoon after sitting all day (and getting colder)
>
> What do you think?
> Carb and Choke seem OK, as does the points gap. (yes, my '79 B has
> points, go figure) I'm going to check the
> timing next today, assuming the problem doesn't go away.
> Are these the right things to check? Any other suggestions?
> Could it be the plug leads?
>
> Thank you in advance!
>
> Ryan (learning more about the MGB every day) Watson
> Denver, CO
>
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