This is a multi-part message in MIME format.
--===============3674463338563244801==
boundary="------------p7TWr93SHM4573SgIiN6Hg8K"
Content-Language: en-US
This is a multi-part message in MIME format.
--------------p7TWr93SHM4573SgIiN6Hg8K
Content-Transfer-Encoding: 8bit
This was news to me (from Roger Moment's new book; 'engine' section):
"I have found new gear-type pumps to have one gear a few thousandths of
an inch taller than the other, and neither with the proper clearance to
the bottom cover plate. This required finding someone with a grinding
table who could make the gears identical, and then also machine the
bottom of the pump housing so that the proper end clearance to the cover
plate would result." I would at least check this on a gear-type pump.
The only knock on the vane-type pumps that I've aware of is that the
resistance was so high it would cause the cam gear driving it to wear
and eventually be stripped. I think this was addressed by adding an
extra tooth to the pump driveshaft driven gear, hence lowering the
torque on the gears. I have no supporting evidence offhand, but I recall
reading this somewhere (now if I could just remember where I put my keys).
FWIW, I have about 7K miles on the 'upgraded'--presumably
rotary-type--pump from DWM in my BJ8 and my oil pressure is stable, and
no metal in the oil. I believe the gear-type pump's gears are made of
sintered iron; which I recall from long ago caused problems in some
aircraft piston engines--Lycomings* IIRC--and I've never really trusted
them since (though my Mustang GT with 475HP has a pump with sintered
gears with no issues that I know of, but aftermarket vendors offer ones
with machined gears for boosted engines).
Side note: When my dad was a factory rep for Ford back in the sixties,
he said owners would bring their cars in because 'The oil pressure drops
at idle.' Possibly one reason why manufacturers went to idiot lights,
though I suspect cost was the major factor.
*
https://www.knr-inc.com/shop-talk-articles.html?id=101:200110-lycoming-oil-pumps&catid=25
On 2/21/2023 11:18 PM, Alan Seigrist via Healeys wrote:
> As I understand it, the rotary vane was much better for maintaining
> pressure at low rpms, which is good for a road car.
>
> On Wed, Feb 22, 2023 at 2:18 PM Ricchardd Mayor
> <boyracer466@gmail.com> wrote:
>
> The rotary vane pump was used in the 100/6 - 26D - engines. It
> caused many problems. It is not suitable for any use, contrary to
> what someone may be trying to sell you.
>
>
> Richard Mayor
> boyracer466@gmail.com
>
>
>> On Feb 21, 2023, at 7:35 PM, Alan Seigrist <healey.nut@gmail.com>
>> wrote:
>>
>> As I understand it, the rotary vane pump is superior for road
>> applications, gear pump superior for racing applications.
>>
>>
>> On Wed, Feb 22, 2023 at 11:32 AM Ricchardd Mayor
>> <boyracer466@gmail.com> wrote:
>>
>> Bob, Â The brand name is â??Countyâ?? â?¦.. not â??Countryâ??.Â
>> Whatever
>> brand you buy just be sure it is the gear style oil pump.
>>
>>
>> Richard Mayor
>> boyracer466@gmail.com
>>
>>
>>> On Feb 21, 2023, at 6:49 PM, Alan Seigrist
>>> <healey.nut@gmail.com> wrote:
>>>
>>> Not sure why but Longstone Tyres in the UK has crazy good
>>> shipping rates. It's not the same with anyone else.
>>>
>>> Generally speaking when ordering parts from the UK, it seems
>>> to add about 30% to the total price. I have had better luck
>>> with DHL or Royal Post shipping for reliability of delivery
>>> in the past... seems customs works in concert with USPS &
>>> DHL (Deutsche Post) to protect USPS, so FedEx and UPS
>>> sometimes can get hung up in customs. It may have improved,
>>> not sure....
>>>
>>> On Wed, Feb 22, 2023 at 3:31 AM <rfbegani@gmail.com> wrote:
>>>
>>> I have decided to replace my oil pump and my rear
>>> bumper. I remember you all seem to say that Moss pumps
>>> are from country and are not satisfactory, and we should
>>> buy from the UK such as Dennis Welch.
>>>
>>> Also, have decided to replace my original real bumper
>>> because it is scratched and blackened in places.
>>>
>>> Also, as the pound is 1.21 to the dollar the parts from
>>> DM are almost ½ price from Moss and others. My
>>> experience with UK on buying Michelin Tires was great
>>> because freight charges via HM Post is very inexpensive
>>> and direct to my door. Is DM freight similar?
>>>
>>> Bob Begani
>>>
>>> 67 BJ8
>>>
>>> _______________________________________________
>>> Support Team.Net <http://team.net/>
>>> http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>>
>>> Archive: http://www.team.net/pipermail/healeys
>>> http://autox.team.net/archive/healeys
>>>
>>> Healeys@autox.team.net
>>> http://autox.team.net/mailman/listinfo/healeys
>>>
>>> Unsubscribe/Manage:
>>>
>>> http://autox.team.net/mailman/options/healeys/healey.nut@gmail.com
>>>
>>> _______________________________________________
>>> Support Team.Net <http://team.net/>
>>> http://www.team.net/donate.html
>>> Suggested annual donation  $12.75
>>>
>>> Archive: http://www.team.net/pipermail/healeys
>>> http://autox.team.net/archive/healeys
>>>
>>> Healeys@autox.team.net
>>> http://autox.team.net/mailman/listinfo/healeys
>>>
>>> Unsubscribe/Manage:
>>> http://autox.team.net/mailman/options/healeys/boyracer466@gmail.com
>>>
>>
>
>
> _______________________________________________
> Support Team.Nethttp://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive:http://www.team.net/pipermail/healeys
> http://autox.team.net/archive/healeys
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:http://autox.team.net/mailman/options/healeys/bspidell@comcast.net
>
--------------p7TWr93SHM4573SgIiN6Hg8K
Content-Transfer-Encoding: 8bit
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
This was news to me (from Roger Moment's new book; 'engine'
section):<br>
<br>
"I have found new gear-type pumps to have one gear a few thousandths
of an inch taller than the other, and neither with the proper
clearance to the bottom cover plate. This required finding someone
with a grinding table who could make the gears identical, and then
also machine the bottom of the pump housing so that the proper end
clearance to the cover plate would result." I would at least check
this on a gear-type pump.<br>
<br>
The only knock on the vane-type pumps that I've aware of is that the
resistance was so high it would cause the cam gear driving it to
wear and eventually be stripped. I think this was addressed by
adding an extra tooth to the pump driveshaft driven gear, hence
lowering the torque on the gears. I have no supporting evidence
offhand, but I recall reading this somewhere (now if I could just
remember where I put my keys). <br>
<br>
FWIW, I have about 7K miles on the 'upgraded'--presumably
rotary-type--pump from DWM in my BJ8 and my oil pressure is stable,
and no metal in the oil. I believe the gear-type pump's gears are
made of sintered iron; which I recall from long ago caused problems
in some aircraft piston engines--Lycomings* IIRC--and I've never
really trusted them since (though my Mustang GT with 475HP has a
pump with sintered gears with no issues that I know of, but
aftermarket vendors offer ones with machined gears for boosted
engines).<br>
<br>
Side note: When my dad was a factory rep for Ford back in the
sixties, he said owners would bring their cars in because 'The oil
pressure drops at idle.' Possibly one reason why manufacturers went
to idiot lights, though I suspect cost was the major factor.<br>
<br>
<br>
*
<a class="moz-txt-link-freetext"
href="https://www.knr-inc.com/shop-talk-articles.html?id=101:200110-lycoming-oil-pumps&catid=25";>https://www.knr-inc.com/shop-talk-articles.html?id=101:200110-lycoming-oil-pumps&catid=25</a><br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 2/21/2023 11:18 PM, Alan Seigrist
via Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAFBXTkJFM=UTzxBePUtLj8NnTEOjmOTg57EGp3jpqawDmhpyRQ@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">As I understand it, the rotary vane was much better
for maintaining pressure at low rpms, which is good for a road
car.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Feb 22, 2023 at 2:18
PM Ricchardd Mayor <<a href="mailto:boyracer466@gmail.com";
moz-do-not-send="true"
class="moz-txt-link-freetext">boyracer466@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style="overflow-wrap: break-word;">The rotary vane pump
was used in the 100/6 - 26D - engines. It caused many
problems. It is not suitable for any use, contrary to what
someone may be trying to sell you. Â
<div><br>
</div>
<div><br>
<div>
Richard Mayor<br>
<a href="mailto:boyracer466@gmail.com"; target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">boyracer466@gmail.com</a><br>
<br>
</div>
<br>
<div>
<blockquote type="cite">
<div>On Feb 21, 2023, at 7:35 PM, Alan Seigrist <<a
href="mailto:healey.nut@gmail.com"; target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">healey.nut@gmail.com</a>>
wrote:</div>
<br>
<div>
<div dir="ltr">As I understand it, the rotary vane
pump is superior for road applications, gear pump
superior for racing applications.
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Feb 22,
2023 at 11:32 AM Ricchardd Mayor <<a
href="mailto:boyracer466@gmail.com";
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">boyracer466@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px
0px 0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div>Bob, Â The brand name is â??Countyâ?? â?¦.. not
â??Countryâ??. Whatever brand you buy just be
sure it is the gear style oil pump.Â
<div><br>
</div>
<div><br>
<div>
Richard Mayor<br>
<a href="mailto:boyracer466@gmail.com";
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">boyracer466@gmail.com</a><br>
<br>
</div>
<br>
<div>
<blockquote type="cite">
<div>On Feb 21, 2023, at 6:49 PM, Alan
Seigrist <<a
href="mailto:healey.nut@gmail.com";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">healey.nut@gmail.com</a>>
wrote:</div>
<br>
<div>
<div dir="ltr">Not sure why but
Longstone Tyres in the UK has crazy
good shipping rates. It's not the
same with anyone else.<br>
<br>
Generally speaking when ordering
parts from the UK, it seems to add
about 30% to the total price. I
have had better luck with DHL or
Royal Post shipping for reliability
of delivery in the past... seems
customs works in concert with USPS
& DHL (Deutsche Post) to protect
USPS, so FedEx and UPS sometimes can
get hung up in customs. It may have
improved, not sure....<br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On
Wed, Feb 22, 2023 at 3:31 AM <<a
href="mailto:rfbegani@gmail.com";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">rfbegani@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div>
<div lang="EN-US">
<div>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Â </span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">I
have decided to replace
my oil pump and my rear
bumper. I remember you
all seem to say that
Moss pumps are from
country and are not
satisfactory, and we
should buy from the UK
such as Dennis Welch.Â
</span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Â </span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Also,
have decided to replace
my original real bumper
because it is scratched
and blackened in
places.</span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Â </span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Also,
as the pound is 1.21 to
the dollar the parts
from DM are almost ½
price from Moss and
others. My experience
with UK on buying
Michelin Tires was great
because freight charges
via HM Post is very
inexpensive and direct
to my door. Is DM
freight similar?</span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Â </span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">Bob
Begani</span></p>
<p class="MsoNormal"><span
style="font-size:16pt;font-family:Arial,sans-serif">67
BJ8 </span></p>
</div>
</div>
_______________________________________________<br>
Support <a
href="http://team.net/";
target="_blank"
moz-do-not-send="true">Team.Net</a>
<a
href="http://www.team.net/donate.html";
rel="noreferrer"
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://www.team.net/donate.html</a><br>
Suggested annual donationÂ
$12.75<br>
<br>
Archive: <a
href="http://www.team.net/pipermail/healeys";
rel="noreferrer"
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://www.team.net/pipermail/healeys</a>
<a
href="http://autox.team.net/archive/healeys";
rel="noreferrer"
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://autox.team.net/archive/healeys</a><br>
<br>
<a
href="mailto:Healeys@autox.team.net";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">Healeys@autox.team.net</a><br>
<a
href="http://autox.team.net/mailman/listinfo/healeys";
rel="noreferrer"
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://autox.team.net/mailman/listinfo/healeys</a><br>
<br>
Unsubscribe/Manage: <a
href="http://autox.team.net/mailman/options/healeys/healey.nut@gmail.com";
rel="noreferrer"
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://autox.team.net/mailman/options/healeys/healey.nut@gmail.com</a><br>
<br>
</div>
</blockquote>
</div>
_______________________________________________<br>
Support <a href="http://team.net/";
target="_blank"
moz-do-not-send="true">Team.Net</a>
<a
href="http://www.team.net/donate.html";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://www.team.net/donate.html</a><br>
Suggested annual donation  $12.75<br>
<br>
Archive: <a
href="http://www.team.net/pipermail/healeys";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://www.team.net/pipermail/healeys</a>
<a
href="http://autox.team.net/archive/healeys";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://autox.team.net/archive/healeys</a><br>
<br>
<a
href="mailto:Healeys@autox.team.net";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">Healeys@autox.team.net</a><br>
<a
href="http://autox.team.net/mailman/listinfo/healeys";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://autox.team.net/mailman/listinfo/healeys</a><br>
<br>
Unsubscribe/Manage: <a
href="http://autox.team.net/mailman/options/healeys/boyracer466@gmail.com";
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://autox.team.net/mailman/options/healeys/boyracer466@gmail.com</a><br>
<br>
</div>
</blockquote>
</div>
<br>
</div>
</div>
</blockquote>
</div>
</div>
</blockquote>
</div>
<br>
</div>
</div>
</blockquote>
</div>
<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre class="moz-quote-pre"
wrap="">_______________________________________________
Archive: <a class="moz-txt-link-freetext"
href="http://www.team.net/pipermail/healeys";>http://www.team.net/pipermail/healeys</a>
<a class="moz-txt-link-freetext"
href="http://autox.team.net/archive/healeys";>http://autox.team.net/archive/healeys</a>
<a class="moz-txt-link-abbreviated"
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>
<a class="moz-txt-link-freetext"
href="http://autox.team.net/mailman/listinfo/healeys";>http://autox.team.net/mailman/listinfo/healeys</a>
</pre>
</blockquote>
<br>
</body>
</html>
--------------p7TWr93SHM4573SgIiN6Hg8K--
--===============3674463338563244801==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
Archive: http://www.team.net/pipermail/healeys
http://autox.team.net/archive/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
--===============3674463338563244801==--
|