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<div> <font size="3">Wouldn't stiffer springs give you less advance at idle and, hence, more advance at speed?</font><br>
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<div style="clear:both"><font size="4">Dave </font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: Peter Arakelian <peterara@msn.com><br>
To: Tony Drews <tony@tonydrews.com><br>
Cc: triumphs@autox.team.net <triumphs@autox.team.net><br>
Sent: Sat, Feb 29, 2020 2:02 pm<br>
Subject: Re: [TR] distributor advance<br>
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<div class="yiv4781498517MsoNormal">I should have done this from the start. checked the Bentley manual. Lists my distributor and the advance specs. Shows centrifugal advance at idle of 0-2 degrees on the crank. So my stiffer springs are advancing too much initially, which
will reduce the amount of extra advance I get at speed.. Will change back.</div>
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<div class="yiv4781498517MsoNormal">Sent from <a rel="noopener noreferrer" shape="rect" target="_blank" removedlink__e725e969-990d-4404-b8c0-b2ba8104fa0b__href="https://go.microsoft.com/fwlink/?LinkId=550986">
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<div class="yiv4781498517MsoNormal" style="border:none;padding:0in;"><b>From: </b><a rel="noopener noreferrer" shape="rect" ymailto="mailto:tony@tonydrews.com" target="_blank" removedlink__e725e969-990d-4404-b8c0-b2ba8104fa0b__href="mailto:tony@tonydrews.com">Tony Drews</a><br clear="none">
<b>Sent: </b>Saturday, February 29, 2020 10:16 AM<br clear="none">
<b>Subject: </b>Re: distributor advance</div>
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<div>I'm not saying all advance is used at idle, but what I'm saying is that when all the mechanical advance is used, you're at a different advance setting than before (you had to change the timing after changing the springs, so when you do that the full advance
amount changes correspondingly). I'm unclear which direction it changed. Your "at 3200 RPM" observation would almost always be at full advance regardless of which springs you're using.</div>
<div>Stiffer springs should equate to less advance at idle than before I'd think.</div>
<div>Regards, Tony Drews</div>
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<div class="yiv4781498517MsoNormal">On 2/28/2020 8:09 PM, Peter Arakelian wrote:</div>
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<div class="yiv4781498517MsoNormal">Tony, if I follow you correctly, you are saying that by changing the springs I may have made it so that all the mechanical advance is used up at idle and I may have no more at speed. Where with the older springs I would get mechanical
advance later in the rpms and so have more advance at speed.</div>
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<div class="yiv4781498517MsoNormal">Would the marking on the weight of 13 degrees indicate its maxium advance? If so, I suspect I may in fact be using all the mechanical at idle since my idle timing jumped past the pully markings and I can only estimate a 10-15 degree jump. Maybe
I should go back to the old springs.</div>
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>>The springs should just change what RPM it takes to get to full advance <br clear="none">
but the full advance should be the same (weights against the stops).? <br clear="none">
I'm a little unclear on how much you changed the timing, it sounds like <br clear="none">
you had to retard the timing after the spring replacement - this would <br clear="none">
also retard the "all in" timing, which would be what you're running at <br clear="none">
3200 RPM.? It's possible it's worse at 3200 now than it was before <br clear="none">
because the full advance timing is now less.<<</div>
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