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I took an experimental approach to this. I filled the dashpots with 15
wt motorcycle fork oil, and half filled an oil can with the 15 wt.
Acceleration was sluggish, so I added some 20 wt to the can, refilled
the dashpots, and went for another test drive. If the engine seemed to
be running rich on acceleration, I added 15 weight. if it seemed lean, I
added 20 wt., changed out the oil, and went for another test drive. Not
sure what the actual viscosity is, but it works well. Will have to
recalibrate the oil after I change out the carb bushings and shafts.
On 6/15/2021 3:04 PM, David Lieb via Spridgets wrote:
> The real answer is that the heavier the oil you put into the dashpot,
> the longer it takes to respond to changes in the throttle position.
> While it is opening, the mixture is richer due to the higher engine
> vacuum. This is what compensates for the lack of a Holley-type
> accelerator pump. The heavier your car and the less torque your engine
> has, the heavier the oil you should run to cover flat spots in
> acceleration.
>
> On Tue, Jun 15, 2021, 16:19 Bill L. via Spridgets
>
> Hello Michael,
>
>
> I had always heard that you put the exact same oil in the damper
> as you put into the crankcase. That's WHY it takes a little less
> than 4 qts...  So you'll some left to top up the carbs!
>
>
>
> --
> Best regards,
>  Bill             Â
> mailto:Zormecteon@comcast.net
>
>
> Do I smoke after sex? I never looked.
>
> ------------------------
>
>
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<p>I took an experimental approach to this. I filled the dashpots
with 15 wt motorcycle fork oil, and half filled an oil can with
the 15 wt. Acceleration was sluggish, so I added some 20 wt to the
can, refilled the dashpots, and went for another test drive. If
the engine seemed to be running rich on acceleration, I added 15
weight. if it seemed lean, I added 20 wt., changed out the oil,
and went for another test drive. Not sure what the actual
viscosity is, but it works well. Will have to recalibrate the oil
after I change out the carb bushings and shafts. <br>
</p>
<div class="moz-cite-prefix">On 6/15/2021 3:04 PM, David Lieb via
Spridgets wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CACJx3hyjhZJcpWFM-+kcujkpfyPm-rgd5hgz5E2ViXKJLVix4A@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="auto">The real answer is that the heavier the oil you
put into the dashpot, the longer it takes to respond to changes
in the throttle position. While it is opening, the mixture is
richer due to the higher engine vacuum. This is what compensates
for the lack of a Holley-type accelerator pump. The heavier your
car and the less torque your engine has, the heavier the oil you
should run to cover flat spots in acceleration.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Jun 15, 2021, 16:19
Bill L. via Spridgets <<a
href="mailto:spridgets@autox.team.net";
moz-do-not-send="true">spridgets@autox.team.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hello
Michael,<br>
<br>
<br>
I had always heard that you put the exact same oil in the
damper as you put into the crankcase. That's WHY it takes a
little less than 4 qts...  So you'll some left to top up the
carbs! <br>
<br>
<br>
<br>
-- <br>
Best regards,<br>
 Bill              mailto:<a
href="mailto:Zormecteon@comcast.net"; target="_blank"
rel="noreferrer"
moz-do-not-send="true">Zormecteon@comcast.net</a><br>
<br>
<br>
Do I smoke after sex? I never looked. <br>
<br>
------------------------<br>
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</blockquote>
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<pre class="moz-quote-pre" wrap="">------------------------
<a class="moz-txt-link-abbreviated"
href="mailto:spridgets@autox.team.net";>spridgets@autox.team.net</a>
Archive: <a class="moz-txt-link-freetext"
href="http://www.team.net/pipermail/spridgets";>http://www.team.net/pipermail/spridgets</a>
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