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Bob--
Well I knew it was *some* easily-measurable quantity per minute and was
going to put down a quart, which pretty much corresponds to 18 gph.
So I'd suggest to Len that since the problem appears to be an issue at high
speeds which would correspond to high fuel consumption, that he test his
pump's fuel delivery with an open head at a point just before the float
bowls .
Best--Michael Oritt
On Fri, Jan 29, 2021 at 6:43 PM Bob Haskell <rchaskell@earthlink.net> wrote=
:
> Michael,
>
> I believe the AUF300/AZX1300 pumps put out about 18 US gallons per hour.
>
> Cheers,
>
> Bob Haskell
> '60 AH3000 BT7 (big project)
> '62 AH3000 BT7 (smaller project)
> '64 Mini Cooper (small project - by definition)
> '68 BMW 1600 (first car - project)
> '80 MBG LE (running?)
>
> -----Original Message-----
>
> From: Michael Oritt
> Sent: Jan 29, 2021 5:12 PM
> To: Perry Small
> Cc: "healeys@autox.team.net"
> Subject: Re: [Healeys] Another backfiring question
>
> If all else fail check your fuel pump for sufficient delivery. I can't
> remember for sure but believe a free-flowing SU is supposed to pump a
> gallon in a minute, but I'm sure someone will correct me if I am wrong.
>
> Best--Michael Oritt
>
>
>
> On Fri, Jan 29, 2021 at 9:14 AM healeyguy--- via Healeys <
> healeys@autox.team.net> wrote:
>
>> Len and Listers
>> Pushing the pin up to lift the piston is the start of the "test the
>> mixture setting" exercise. You begin the push, ever so slightly, and
>> listen to the idling engine. The idle goes up. What do you do next? You
>> continue to raise the pin to see what happens. If the idle continues to
>> rise you know you are in a rich condition. If the idle stops going up an=
d
>> starts to drop off the mixture is pretty close. If the idle does not
>> increase from the start you usually assume you are in a lean condition.
>> This gets the carb mixture close at idle which in theory means the carb =
is
>> going to operate throughout the RPM range.
>>
>> There is one other assumption here, that being that the carbs is in the
>> same condition as new mounted on an engine operating as new. That is whe=
n
>> allot of other stuff comes into play. The carb float bowl items,
>> needle/seat and float level must be set correctly. Float must not be
>> leaking thus making it sink. Carb must have the correct main needle and =
jet
>> and they have to be installed and adjusted correctly. Flutter at high
>> RPM may indicate that the piston spring in the suction chamber is weak o=
r
>> the incorrect spring installed. Ignition timing and condition and settin=
g
>> of ignition points.
>> The list goes on and on......
>> P
>>
>>
>> -----Original Message-----
>> From: Leonard Berkowitz <DrBerkowitz@hotmail.com>
>> 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 Manue=
l
>> the engine speed should increase slightly when you lift the piston a ver=
y
>> small amount. Mine does that. My dwell angle is where it needs to be an=
d
>> 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=E2=80=99t have a whole lot left in the tank, so to speak. Does tha=
t sound
>> like I am running too rich or too lean?
>>
>> Len Berkowitz
>>
>>
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>
>> Archive: http://www.team.net/pipermail/healeys
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>>
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>>
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>> http://autox.team.net/mailman/options/healeys/michael.oritt@gmail.com
>>
>>
>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">Bob--=
</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div c=
lass=3D"gmail_default" style=3D"color:#3333ff">Well I knew=C2=A0it was <i>s=
ome</i>=C2=A0easily-measurable quantity per minute and was going to=C2=A0pu=
t=C2=A0down=C2=A0a quart, which pretty much corresponds to 18 gph.</div><di=
v class=3D"gmail_default" style=3D"color:#3333ff">So I'd suggest to Len=
that since the problem appears to be an issue=C2=A0at high speeds which wo=
uld correspond=C2=A0to high=C2=A0fuel consumption, that he test his pump=
9;s fuel delivery with=C2=A0an open head at a point just before the float b=
owls .</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div>=
<div class=3D"gmail_default" style=3D"color:#3333ff">Best--Michael Oritt=C2=
=A0</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gma=
il_attr">On Fri, Jan 29, 2021 at 6:43 PM Bob Haskell <<a href=3D"mailto:=
rchaskell@earthlink.net">rchaskell@earthlink.net</a>> wrote:<br></div><b=
lockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-le=
ft:1px solid rgb(204,204,204);padding-left:1ex"><div><div style=3D"font-siz=
e:13px;color:rgb(0,0,0);font-family:arial,sans-serif"><div>Michael,</div><d=
iv><br></div><div>I believe the AUF300/AZX1300 pumps put out about 18 US ga=
llons per hour.<br></div><div><br></div><div>Cheers,</div><div><div id=3D"g=
mail-m_-4198285975881797827elnk_signature_1611963675282" style=3D"font-weig=
ht:normal;font-style:normal;text-decoration:none;font-size:10pt;font-family=
:arial,sans-serif;color:black"><pre>Bob Haskell
'60 AH3000 BT7 (big project)
'62 AH3000 BT7 (smaller project)
'64 Mini Cooper (small project - by definition)
'68 BMW 1600 (first car - project)
'80 MBG LE (running?)</pre></div>-----Original Message-----
<br></div><blockquote style=3D"padding-left:5px;margin-left:0px;border-left=
:2px solid rgb(0,0,255);font-weight:normal;font-style:normal;text-decoratio=
n:none;font-size:10pt;font-family:arial,sans-serif;color:black">From: Micha=
el Oritt <u></u>
<br>Sent: Jan 29, 2021 5:12 PM
<br>To: Perry Small <u></u>
<br>Cc: "<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">h=
ealeys@autox.team.net</a>" <u></u>
<br>Subject: Re: [Healeys] Another backfiring question
<br><br><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:rgb(51=
,51,255)">If all else fail check your fuel pump for sufficient delivery.=C2=
=A0 I can't remember for sure but believe a free-flowing SU is supposed=
to pump a gallon in a minute, but I'm sure someone will correct me if =
I am wrong.</div><div class=3D"gmail_default" style=3D"color:rgb(51,51,255)=
"><br></div><div class=3D"gmail_default" style=3D"color:rgb(51,51,255)">Bes=
t--Michael Oritt</div><div class=3D"gmail_default" style=3D"color:rgb(51,51=
,255)"><br></div><div class=3D"gmail_default" style=3D"color:rgb(51,51,255)=
"><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"=
gmail_attr">On Fri, Jan 29, 2021 at 9:14 AM healeyguy--- via Healeys <<a=
href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">healeys@autox.tea=
m.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:=
1ex">
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">
<div id=3D"gmail-m_-4198285975881797827gmail-m_-8405075880273479824yiv91150=
48286">
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">Len and Lis=
ters</div>
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">Pushing the=
pin up to lift the piston is the start of the "test the mixture setti=
ng" exercise. You begin the push, ever so slightly,=C2=A0 and listen t=
o the idling engine. The idle goes up.=C2=A0 What do you do next? You conti=
nue to raise the pin=C2=A0 to see what happens. If the idle continues to ri=
se you know you are in a rich condition. If the idle stops going up and sta=
rts to drop off the mixture is pretty close. If the idle does not increase =
from the start you usually assume you are in a lean condition.=C2=A0 This g=
ets the carb mixture close at idle which in theory means the carb is going =
to operate throughout the RPM range.=C2=A0=C2=A0</div>
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif"><br>
</div>
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">There is on=
e other assumption here, that being that the carbs is in the same condition=
as new mounted on an engine operating as new. That is when allot of other =
stuff comes into play.=C2=A0 The carb float bowl items, needle/seat and flo=
at level=C2=A0 must be set correctly. Float must not be leaking thus making=
it sink. Carb must have the correct main needle and jet and they have to b=
e installed and adjusted correctly.=C2=A0<span style=3D"font-size:10pt;back=
ground-color:transparent">Flutter at high RPM may indicate that the piston =
spring in the suction chamber is weak or the incorrect spring installed. Ig=
nition timing and condition and setting of ignition points.</span></div>
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">The list go=
es on and on......</div>
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">P<br clear=
=3D"none">
<br clear=3D"none">
<br clear=3D"none">
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br clear=3D"none">
From: Leonard Berkowitz <<a href=3D"mailto:DrBerkowitz@hotmail.com"; targ=
et=3D"_blank">DrBerkowitz@hotmail.com</a>><br clear=3D"none">Subject: [H=
ealeys] Another backfiring question<br clear=3D"none">
<br clear=3D"none">
<div id=3D"gmail-m_-4198285975881797827gmail-m_-8405075880273479824yiv91150=
48286yqt58392">
<div id=3D"gmail-m_-4198285975881797827gmail-m_-8405075880273479824yiv91150=
48286">
=20
<div dir=3D"ltr">
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color=
:rgb(0,0,0)">
Hi all</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color=
:rgb(0,0,0)">
<br clear=3D"none">
</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color=
:rgb(0,0,0)">
Just finished repairing and reinstalling the carburetors on my BJ7. I thoug=
ht I had everything adjusted properly. According to my Haynes Manuel the en=
gine speed should increase slightly when you lift the piston a very small a=
mount. Mine does that.=C2=A0 My dwell
angle is where it needs to be and the car starts and idles nicely. Also so=
unds beautiful when I punch the accelerator linkages. The problem is that w=
hen I get it up to 60-70 mph I get what sounds like backfiring into my carb=
uretors. Also sounds like it doesn=E2=80=99t
have a whole lot left in the tank, so to speak. Does that sound like I am =
running too rich or too lean?=C2=A0</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color=
:rgb(0,0,0)">
<br clear=3D"none">
</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color=
:rgb(0,0,0)">
Len Berkowitz=C2=A0</div>
</div>
</div>
</div>
<br>
<br clear=3D"none">
</div>
</div>
</div>
</div>
</div>
_______________________________________________<br>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noreferre=
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</blockquote></div>
<u></u><u></u><u></u></blockquote><br><br></div></div>
</blockquote></div>
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