Mel it sounds like you might have an intake valve stuck open in one of the
back three cylinders. There should not be any significant air pushing out of
the carb.
Dave M.
----- Original Message -----
From: "Mel Brunet" <mburnet@tampabay.rr.com>
To: <healeys@autox.team.net>
Sent: Friday, March 17, 2006 5:22 PM
Subject: Carbs - 67 BJ8
> Listers
>
> I am in a dilemma. My engine has been completely rebuilt and it runs, but
> I
> am having trouble adjusting the SU carbs. I can not get the engine to
> idle
> and at low rpm's it will die. Since I can not get the idle down I cannot
> set
> the timing with a timing light. I did set the timing with a test light
> (static) but if I increase the rpm's it will backfire through the carbs.
> The rear carb chatters a lot and I can feel air pushing out of it. As far
> as
> I know the front carb is operating ok. I am at my wits end. A lot of
> trial
> and error with the emphasis on error. The workshop manual I have says"the
> adjustment of the H.D. carburetter is extremely simple" . Maybe, but not
> for me. What I need to know is if anyone knows of a site to go to get
> trouble shooting tips. I may have some problems with the carbs or the
> timing or whatever.
>
> Mel Brunet
> 67 BJ8 39749 "close but no cigar"
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