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Re: [Fot] Road America - Best gear ratio?

To: fot@autox.team.net
Subject: Re: [Fot] Road America - Best gear ratio?
From: Tony Drews via Fot <fot@autox.team.net>
Date: Thu, 2 Mar 2023 10:05:10 -0600
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Mike, when I ran an overdrive, I was running a 4.11 rear end. Without 
it, I run a 3.8 (Ford diff), and have seen 6300 or 6400 at the end of 
the straights, but that's a really hot lap.  I normally peak at 6100 or 
6200.  3.7 would be somewhat better, 3.5 I've not tried but should keep 
you under 6K.

Regards, Tony Drews

On 3/1/2023 9:24 PM, Michael Deweerd via Fot wrote:
> Amici, For the kastner cup Race at Road America what would be the 
> ideal rear end ratio for a TR4?  Last time (2013) it seemed I could 
> have used a lower ratio?
> Would a 3.50 be the better choice over the 4.10 I have in the car now?
> I Redline at 6000 RPM.
> -- 
> /Mike Deweerd/
>
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    <p>Mike, when I ran an overdrive, I was running a 4.11 rear end. 
      Without it, I run a 3.8 (Ford diff), and have seen 6300 or 6400 at
      the end of the straights, but that's a really hot lap.  I normally
      peak at 6100 or 6200.  3.7 would be somewhat better, 3.5 I've not
      tried but should keep you under 6K.</p>
    <p>Regards, Tony Drews<br>
    </p>
    <div class="moz-cite-prefix">On 3/1/2023 9:24 PM, Michael Deweerd
      via Fot wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAHAH3R7uPiei8GwtPUQc-iPcMr6qb0ibdgjHmU+ce8jdYHX8nw@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Amici, For the kastner cup Race at Road America
        what would be the ideal rear end ratio for a TR4?  Last time
        (2013) it seemed I could have used a lower ratio?
        <div>Would a 3.50 be the better choice over the 4.10 I have in
          the car now?<br clear="all">
          <div>I Redline at 6000 RPM.  </div>
          -- <br>
          <div dir="ltr" class="gmail_signature"
            data-smartmail="gmail_signature">
            <div dir="ltr"><i><font face="comic sans ms, sans-serif">Mike
                  Deweerd</font></i></div>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="moz-mime-attachment-header"></fieldset>
      <pre class="moz-quote-pre" 
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