<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"><!-- P {margin-top:0;margin-bottom:0;} --></style>
</head>
<body dir="ltr">
<div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr">
<p><br>
</p>
I'm probably wrong, but I think vacuum advance was for emissions, not gas mileage.
<div><br>
</div>
<div>Steve<br>
<br>
<div style="color: rgb(0, 0, 0);">
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Tigers <tigers-bounces@autox.team.net> on behalf of Tom Witt via Tigers <tigers@autox.team.net><br>
<b>Sent:</b> Saturday, November 4, 2017 5:51 PM<br>
<b>To:</b> tigers@autox.team.net<br>
<b>Subject:</b> Re: [Tigers] Timing</font>
<div> </div>
</div>
<div class="BodyFragment"><font size="2"><span style="font-size:10pt;">
<div class="PlainText">Thanks for the pictures Ron. The second type seems to use not only the
<br>
springs, but the cam action on the weights edge as a means of plotting the <br>
advance curve. The math for the RPM, spring tension, weight... - AND cam <br>
action baffles my brain. Somewhere I have a Mallory dual point (no vacuum <br>
advance) distributor. Got it in a pile of "free" stuff at a Mopar swapmeet <br>
(No step child parts for him!). I'll have to check it's advance system out <br>
some time.<br>
<br>
Oddly I had a Volvo 544 that got 36 MPG on the highway and it only had a <br>
mechanical advance (no vacuum). Seems to defy the necessity of vacuum <br>
advance with mileage like that.<br>
<br>
-----Original Message----- <br>
From: Ron Fraser via Tigers<br>
Sent: Saturday, November 04, 2017 12:16 PM<br>
To: 'Gary Winblad' ; tigers@autox.team.net<br>
Subject: Re: [Tigers] Timing<br>
<br>
Picture 1 is the early style Ford distributor with oil port, ID# C2OF-J - <br>
note there is 1 slot size for each weight - this is the area that I have <br>
seen wear problems<br>
<br>
Picture 2 is the later style Ford distributor, ID# C8AF-E - note the 13L & <br>
18L slots - the 13L slot is being used in this example<br>
<br>
Just wanted to show the differences in these 2 mechanical advance systems<br>
<br>
Ron Fraser<br>
<br>
-----Original Message-----<br>
From: Tigers [<a href="mailto:tigers-bounces@autox.team.net">mailto:tigers-bounces@autox.team.net</a>] On Behalf Of Gary
<br>
Winblad via Tigers<br>
Sent: Friday, November 03, 2017 10:58 AM<br>
To: Smit, Theo <Theo.Smit@garmin.com>; Tom Witt <atwittsend@verizon.net>; <br>
tigers@Autox.Team.Net<br>
Subject: Re: [Tigers] Timing<br>
<br>
The Tiger distributor I bought from Sunbeam Specialties(was years ago) was <br>
the kind with the two position advance limit. I just had to turn it to the <br>
more limited stop, put in lighter speed shop springs and then limit the <br>
vacuum advance. All on my stock 260, works great, still on regular gas.<br>
Gary <br>
<br>
<br>
---<br>
This email has been checked for viruses by Avast antivirus software.<br>
<a href="https://www.avast.com/antivirus">https://www.avast.com/antivirus</a><br>
<br>
_______________________________________________<br>
<br>
tigers@autox.team.net<br>
<br>
Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>
Archive: <a href="http://www.team.net/archive">http://www.team.net/archive</a><br>
Forums: <a href="http://www.team.net/forums">http://www.team.net/forums</a><br>
Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/srwick@hotmail.com">
http://autox.team.net/mailman/options/tigers/srwick@hotmail.com</a><br>
<br>
<br>
</div>
</span></font></div>
</div>
</div>
</div>
</body>
</html>