Subject: Re: [Fot] Gearing question for Lime Rock

From: Scott Janzen via Fot <[email-masked]>
Date: Mon, 2 Jun 2025 14:15:58 -0400

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I would not call LR a high speed track.  In the GT6, I do not hit =
redline in 4th on the front straight with a 3.89, and no-name straight =
is much shorter.  Not sure how that compares for your car - the engine =
does run to 7,300 RPM, but I also only have 13=E2=80=9D wheels.  For me, =
with a close ratio TR6 box, it=E2=80=99s mostly a third gear track =
except on the front straight.

On Jun 2, 2025, at 12:15=E2=80=AFPM, Dave Riddle via Fot =
<[email-masked]> wrote:

Lime Rock is a high speed Track so does the collective FOT wisdom think =
a 3.7 or 4.1 rear end would be best in a TR4?
=20
 <http://www.microworks.net/>
Dave Riddle
Business IT Consulting
Office: 480.610.8234
Cell: 602.692.5276
Website: http://www.microworks.net <http://www.microworks.net/>
 <https://partner.microsoft.com/en-US/> =
<https://www.acronis.com/en-us/> =
<https://www.clio.com/> =
<https://www.citycommunications.com/>
=20
_______________________________________________

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">I would not =
call LR a high speed track. &nbsp;In the GT6, I do not hit redline in =
4th on the front straight with a 3.89, and no-name straight is much =
shorter. &nbsp;Not sure how that compares for your car - the engine does =
run to 7,300 RPM, but I also only have 13=E2=80=9D wheels. &nbsp;For me, =
with a close ratio TR6 box, it=E2=80=99s mostly a third gear track =
except on the front straight.<br =
id=3D"lineBreakAtBeginningOfMessage"><div><br><div>On Jun 2, 2025, at =
12:15=E2=80=AFPM, Dave Riddle via Fot &lt;[email-masked]&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div><meta =
charset=3D"UTF-8"><div class=3D"WordSection1" style=3D"page: =
WordSection1; caret-color: rgb(0, 0, 0); font-family: Verdana-Bold; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;"><div style=3D"margin: 0in; font-size: 12pt; font-family: Calibri, =
sans-serif;"><span style=3D"font-size: 11pt;">Lime Rock is a high speed =
Track so does the collective FOT wisdom think a 3.7 or 4.1 rear end =
would be best in a TR4?<o:p></o:p></span></div><div style=3D"margin: =
0in; font-size: 12pt; font-family: Calibri, sans-serif;"><span =
style=3D"font-size: 11pt;"><o:p>&nbsp;</o:p></span></div><div =
style=3D"margin: 0in; font-size: 12pt; font-family: Calibri, =
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id=3D"cid:[email-masked]">&lt;image001.jpg&gt;</span></spa=
n></a><span style=3D"font-size: 11pt;"><o:p></o:p></span></div><div =
style=3D"margin: 0in; font-size: 12pt; font-family: Calibri, =
sans-serif;"><b>Dave Riddle<o:p></o:p></b></div><div style=3D"margin: =
0in; font-size: 12pt; font-family: Calibri, sans-serif;"><span =
style=3D"font-size: 11pt;">Business IT =
Consulting<o:p></o:p></span></div><div style=3D"margin: 0in; font-size: =
12pt; font-family: Calibri, sans-serif;"><span style=3D"font-size: =
11pt;">Office: 480.610.8234<o:p></o:p></span></div><div style=3D"margin: =
0in; font-size: 12pt; font-family: Calibri, sans-serif;"><span =
style=3D"font-size: 11pt;">Cell: =
602.692.5276<o:p></o:p></span></div><div style=3D"margin: 0in; =
font-size: 12pt; font-family: Calibri, sans-serif;"><span =
style=3D"font-size: 11pt;">eMail:<span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:[email-masked]"><span style=3D"color: =
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From: Joe Boruch via Fot <[email-masked]>
Date: Tue, 3 Jun 2025 02:14:50 +0000 (UTC)

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 I have used a 4.3 at LRP for years in my TR3.=C2=A0 I have a 7300 redline =
and a 5 spd transmission with a .81 5th gear.=C2=A0 Only use 5th on the mai=
n straight.=C2=A0 Back in the late 70's many of the TR3/4 racers would use =
a 4.54 diff with the TR OD trans.=C2=A0=C2=A0JoeB
    On Monday, June 2, 2025 at 12:58:04 PM EDT, Dave Riddle via Fot <fot@au=
tox.team.net> wrote: =20
=20
 =20
Lime Rock is a high speed Track so does the collective FOT wisdom think a 3=
.7 or 4.1 rear end would be best in a TR4?
=20
 =C2=A0
=20

=20
Dave Riddle
=20
Business IT Consulting
=20
Office: 480.610.8234
=20
Cell: 602.692.5276
=20
eMail: [email-masked]
=20
Website: http://www.microworks.net
=20

=20
 =C2=A0

o.com

 =20
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<html><head></head><body><div class=3D"ydpfc503f07yahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">I have used a 4.3 at LRP for=
 years in my TR3.&nbsp; I have a 7300 redline and a 5 spd transmission with=
 a .81 5th gear.&nbsp; Only use 5th on the main straight.&nbsp; Back in the=
 late 70's many of the TR3/4 racers would use a 4.54 diff with the TR OD tr=
ans.&nbsp;&nbsp;</div><div dir=3D"ltr" data-setdir=3D"false">JoeB</div><div=
><br></div>
       =20
        </div><div id=3D"ydp1d419f95yahoo_quoted_9110563149" class=3D"ydp1d=
419f95yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                        On Monday, June 2, 2025 at 12:58:04 PM EDT, Dave Ri=
ddle via Fot &lt;[email-masked]&gt; wrote:
                    </div>
                    <div><br></div>
                    <div><br></div>
               =20
               =20
                <div><div id=3D"ydp1d419f95yiv5806408202">

=20
=20

<div>
<div class=3D"ydp1d419f95yiv5806408202WordSection1">
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;">Lime Rock is a high speed Track so does the collective FOT wisdom thi=
nk a 3.7 or 4.1 rear end would be best in a TR4?</span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;"> &nbsp;</span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><a href=3D"http://www.microw=
orks.net/" rel=3D"nofollow" target=3D"_blank"><span style=3D"font-size:11.0=
pt;color:blue;text-decoration:none;"><img border=3D"0" style=3D"width: 191p=
x; max-width: 191px;" id=3D"ydp1d419f95yiv5806408202Picture_x0020_1" src=3D=
"cid:f7TKqQYcpK6EdkFwVIcE" alt=3D"MWLOGO-Signature" data-inlineimagemanipul=
ating=3D"true"></span></a><span style=3D"font-size:11.0pt;"></span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><b>Dave Riddle</b></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;">Business IT Consulting</span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;">Office: 480.610.8234</span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;">Cell: 602.692.5276</span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;">eMail: <a href=3D"mailto:[email-masked]" rel=3D"nofollow" target=
=3D"_blank">
<span style=3D"color:blue;">[email-masked]</span></a></span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"><span style=3D"font-size:11.=
0pt;">Website: <a href=3D"http://www.microworks.net/" rel=3D"nofollow" targ=
et=3D"_blank">
<span style=3D"color:blue;">http://www.microworks.net</span></a></span></p>=
=20
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</a><span style=3D"font-size:11.0pt;"></span></p>=20
<p class=3D"ydp1d419f95yiv5806408202MsoNormal"> &nbsp;</p>=20
</div>
</div>

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---

From: Ponostyle via Fot <[email-masked]>
Date: Mon, 2 Jun 2025 19:29:57 -0700

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Who on earth would say that fiddly little track is high speed. I think I =
got into 4th with Peyote once for about 4 seconds. Watkins Glen, Road =
America, even Portland International and Pacific Raceways=E2=80=94yes. =
Limerock???

> On Jun 2, 2025, at 7:14=E2=80=AFPM, Joe Boruch via Fot =
<[email-masked]> wrote:
>=20
> I have used a 4.3 at LRP for years in my TR3.  I have a 7300 redline =
and a 5 spd transmission with a .81 5th gear.  Only use 5th on the main =
straight.  Back in the late 70's many of the TR3/4 racers would use a =
4.54 diff with the TR OD trans. =20
> JoeB
>=20
> On Monday, June 2, 2025 at 12:58:04 PM EDT, Dave Riddle via Fot =
<[email-masked]> wrote:
>=20
>=20
> Lime Rock is a high speed Track so does the collective FOT wisdom =
think a 3.7 or 4.1 rear end would be best in a TR4?
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive =
http://www.team.net/pipermail/fot
> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/[email-masked]
> =
____=
___________________________________________
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive =
http://www.team.net/pipermail/fot
> Unsubscribe/Manage: =
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">Who on earth =
would say that fiddly little track is high speed. I think I got into 4th =
with Peyote once for about 4 seconds. Watkins Glen, Road America, even =
Portland International and Pacific Raceways=E2=80=94yes. Limerock???<br =
id=3D"lineBreakAtBeginningOfMessage"><div><br><blockquote =
type=3D"cite"><div>On Jun 2, 2025, at 7:14=E2=80=AFPM, Joe Boruch via =
Fot &lt;[email-masked]&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><div><div =
class=3D"ydpfc503f07yahoo-style-wrap" style=3D"font-family:Helvetica =
Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">I have used a 4.3 at LRP =
for years in my TR3.&nbsp; I have a 7300 redline and a 5 spd =
transmission with a .81 5th gear.&nbsp; Only use 5th on the main =
straight.&nbsp; Back in the late 70's many of the TR3/4 racers would use =
a 4.54 diff with the TR OD trans.&nbsp;&nbsp;</div><div dir=3D"ltr" =
data-setdir=3D"false">JoeB</div><div><br></div>
       =20
        </div><div id=3D"ydp1d419f95yahoo_quoted_9110563149" =
class=3D"ydp1d419f95yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, =
Arial, sans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                        On Monday, June 2, 2025 at 12:58:04 PM EDT, Dave =
Riddle via Fot &lt;[email-masked]&gt; wrote:
                    </div>
                    <div><br></div>
                    <div><br></div>
               =20
               =20
                <div><div id=3D"ydp1d419f95yiv5806408202">

=20
=20

<div>
<div class=3D"ydp1d419f95yiv5806408202WordSection1"><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><span =
style=3D"font-size:11.0pt;">Lime Rock is a high speed Track so does the =
collective FOT wisdom think a 3.7 or 4.1 rear end would be best in a =
TR4?</span></p><div><span style=3D"font-size:11.0pt;"> &nbsp;</span><br =
class=3D"webkit-block-placeholder"></div><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><a =
href=3D"http://www.microworks.net/" rel=3D"nofollow" =
target=3D"_blank"><span =
style=3D"font-size:11.0pt;color:blue;text-decoration:none;"><span =
id=3D"cid:f7TKqQYcpK6EdkFwVIcE">&lt;image001.jpg&gt;</span></span></a><spa=
n style=3D"font-size:11.0pt;"></span></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><b>Dave Riddle</b></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><span =
style=3D"font-size:11.0pt;">Business IT Consulting</span></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><span =
style=3D"font-size:11.0pt;">Office: 480.610.8234</span></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><span =
style=3D"font-size:11.0pt;">Cell: 602.692.5276</span></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><span =
style=3D"font-size:11.0pt;">eMail: <a href=3D"mailto:[email-masked]" =
rel=3D"nofollow" target=3D"_blank">
<span style=3D"color:blue;">[email-masked]</span></a></span></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><span =
style=3D"font-size:11.0pt;">Website: <a =
href=3D"http://www.microworks.net/" rel=3D"nofollow" target=3D"_blank">
<span =
style=3D"color:blue;">http://www.microworks.net</span></a></span></p><p =
class=3D"ydp1d419f95yiv5806408202MsoNormal"><a =
href=3D"https://partner.microsoft.com/en-US/" rel=3D"nofollow" =
target=3D"_blank"><span =
style=3D"font-size:11.0pt;color:windowtext;text-decoration:none;"><span =
id=3D"cid:i0gQ7mdbFzt19jT5YJgI">&lt;image002.png&gt;</span></span></a><a =
href=3D"https://www.acronis.com/en-us/" rel=3D"nofollow" =
target=3D"_blank"><span =
style=3D"font-size:11.0pt;color:blue;text-decoration:none;"><span =
id=3D"cid:sg4gtG6twhp4Qu6YQsqM">&lt;image003.png&gt;</span></span></a><a =
href=3D"https://www.clio.com/" rel=3D"nofollow" target=3D"_blank"><span =
style=3D"font-size:11.0pt;color:blue;text-decoration:none;"><span =
id=3D"cid:S58J6ry9CQZ1ikfEITr6">&lt;image004.png&gt;</span></span></a><a =
href=3D"https://www.citycommunications.com/" rel=3D"nofollow" =
target=3D"_blank"><span =
style=3D"font-size:11.0pt;color:windowtext;text-decoration:none;"><span =
id=3D"cid:VISdBGM8TumIq8YCd8B5">&lt;image005.png&gt;</span></span></a><spa=
n style=3D"font-size:11.0pt;"></span></p><div> &nbsp;<br =
class=3D"webkit-block-placeholder"></div>=20
</div>
</div>

</div>_______________________________________________<br><a =
href=3D"mailto:[email-masked]" rel=3D"nofollow" =
target=3D"_blank">[email-masked]</a><br><br><a =
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.com</a><br><br><br></div>
            </div>
        </div></div><span =
id=3D"cid:VISdBGM8TumIq8YCd8B5">&lt;image005.png&gt;</span><span =
id=3D"cid:i0gQ7mdbFzt19jT5YJgI">&lt;image002.png&gt;</span><span =
id=3D"cid:f7TKqQYcpK6EdkFwVIcE">&lt;image001.jpg&gt;</span><span =
id=3D"cid:S58J6ry9CQZ1ikfEITr6">&lt;image004.png&gt;</span><span =
id=3D"cid:sg4gtG6twhp4Qu6YQsqM">&lt;image003.png&gt;</span>_______________=
________________________________<br>[email-masked]<br><br>http://www.f=
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