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Len - if it runs right and passes all the other carb tuning tests I would
think the mixture is about right.
What you are describing might be consistent with temporary/momentary low
fuel. You might re-check your float level[s], and make sure you aren't
starving it for fuel at high fuel consumption speeds.
----------------
All the best,
Al Fuller
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Leonard
Berkowitz
Sent: Thursday, January 28, 2021 4:31 PM
To: 'Healeys' <healeys@autox.team.net>
Subject: [Healeys] Another backfiring question
Hi all
Just finished repairing and reinstalling the carburetors on my BJ7. I
thought I had everything adjusted properly. According to my Haynes Manuel
the engine speed should increase slightly when you lift the piston a very
small amount. Mine does that. My dwell angle is where it needs to be and
the car starts and idles nicely. Also sounds beautiful when I punch the
accelerator linkages. The problem is that when I get it up to 60-70 mph I
get what sounds like backfiring into my carburetors. Also sounds like it
doesn't have a whole lot left in the tank, so to speak. Does that sound like
I am running too rich or too lean?
Len Berkowitz
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link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal>Len – if it runs right =
and passes all the other carb tuning tests I would think the mixture is =
about right.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>What you are describing might be consistent with =
temporary/momentary low fuel. You might re-check your float level[s], =
and make sure you aren’t starving it for fuel at high fuel =
consumption speeds.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><p =
class=3DMsoNormal>----------------<o:p></o:p></p><p =
class=3DMsoNormal>All the best,<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Al =
Fuller<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From:</b> Healeys =
<healeys-bounces@autox.team.net> <b>On Behalf Of </b>Leonard =
Berkowitz<br><b>Sent:</b> Thursday, January 28, 2021 4:31 =
PM<br><b>To:</b> 'Healeys' =
<healeys@autox.team.net><br><b>Subject:</b> [Healeys] Another =
backfiring question<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;color:black'>Hi =
all<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;color:black'><o:p> </o:p></span></p></div>=
<div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;color:black'>Just finished repairing and =
reinstalling the carburetors on my BJ7. I thought I had everything =
adjusted properly. According to my Haynes Manuel the engine speed should =
increase slightly when you lift the piston a very small amount. Mine =
does that. My dwell angle is where it needs to be and the car =
starts and idles nicely. Also sounds beautiful when I punch the =
accelerator linkages. The problem is that when I get it up to 60-70 mph =
I get what sounds like backfiring into my carburetors. Also sounds like =
it doesn’t have a whole lot left in the tank, so to speak. Does =
that sound like I am running too rich or too =
lean? <o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;color:black'><o:p> </o:p></span></p></div>=
<div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;color:black'>Len =
Berkowitz <o:p></o:p></span></p></div></div></body></html>
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