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[Healeys] fuel consumption

To: "Healey List" <healeys@autox.team.net>
Subject: [Healeys] fuel consumption
From: <m.g.sharp@sympatico.ca>
Date: Sat, 2 Jul 2022 23:48:26 -0400
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
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Hi listers,  As you might recall, I just had the engine rebuilt on my BT7
last year.  I only have 670 miles on it so far.  My fuel consumption seems
exceptionally high.  I have just checked on one fill up, and need to repeat
to be more certain, but on the last tank I got an awful 10.1 miles to the
Imperial Gallon (14.8 miles/US gal).  I used to get about double that.

I have checked the tune on the carbs using the usual method and checked it
with a quick plug check (I have yet  to do a proper plug chop), and if
anything I think I am running a bit on the lean side.  The exhaust seems
good, just rich when the choke is on, however the engine does "hunt" a
little when at idle.  It runs beautifully otherwise.  No fuel leaks at all.

 

My questions:  1) what are others getting for fuel consumption? And 2) any
thoughts on how to improve it?

 

Thank all - Mirek


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vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal>Hi listers,&nbsp; As you might =
recall, I just had the engine rebuilt on my BT7 last year.&nbsp; I only =
have 670 miles on it so far.&nbsp; My fuel consumption seems =
exceptionally high.&nbsp; I have just checked on one fill up, and need =
to repeat to be more certain, but on the last tank I got an awful 10.1 =
miles to the Imperial Gallon (14.8 miles/US gal).&nbsp; I used to get =
about double that.<br><br>I have checked the tune on the carbs using the =
usual method and checked it with a quick plug check (I have yet&nbsp; to =
do a proper plug chop), and if anything I think I am running a bit on =
the lean side.&nbsp; The exhaust seems good, just rich when the choke is =
on, however the engine does &#8220;hunt&#8221; a little when at =
idle.&nbsp; It runs beautifully otherwise.&nbsp; No fuel leaks at =
all.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>My questions:&nbsp; 1) what are others getting for =
fuel consumption? And 2) any thoughts on how to improve =
it?<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>Thank all - Mirek<o:p></o:p></p></div></body></html>
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