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Re: [Fot] Gear ratio recommendations

To: Philip Gott <vfracing@aol.com>, Dave Riddle <dave@microworks.net>
Subject: Re: [Fot] Gear ratio recommendations
From: David Gott via Fot <fot@autox.team.net>
Date: Tue, 25 Mar 2025 10:53:57 +0000 (UTC)
Cc: FOT <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <SN7PR14MB7043A6A0113192AC55A11CAAB5A72@SN7PR14MB7043.namprd14.prod.outlook.com> <A242DE2F-34AC-4817-83C4-65E76A3CD948@aol.com>
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Hi Dave,
At lime rock a 3.7 with stock ratios you will only use 3 and 4. =C2=A0When =
I lost the ability to downshift, I found I could still be within a second o=
f pace just leaving it in 4th the whole way=E2=80=A6. With an engine tuned =
for midrange power, shifting (when possible) at 6k. =C2=A0 =C2=A0Bogging a =
little out of the esses. =C2=A0Probably taught me a lot when you take away =
options (how do I keep it in the rev. range???)=C2=A0 =C2=A0A true momentum=
 track. =C2=A0I try to convince myself that I=E2=80=99m a freight train not=
 having to shift while others go through 3 gears losing momentum each time=
=C2=A0next to me down the straight. =C2=A0 Did I mention I have rose colore=
d glasses?
Dave Gott


Sent from Yahoo Mail for iPhone


On Tuesday, March 25, 2025, 6:46 AM, Philip Gott via Fot <fot@autox.team.ne=
t> wrote:

Dave;With that power and a 6k red line the 3.7 will do you just fine at Lim=
e Rock assuming you have 23 inch tires.Phil Gott

Sent from my iPhone

On Mar 25, 2025, at 12:07=E2=80=AFAM, Dave Riddle via Fot <fot@autox.team.n=
et> wrote:



=EF=BB=BF
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While we will be running the Toyota 5 speed in the TR4 at Lime Rock that ge=
ar box and engine are slated to go back in the BajaTR3 afterwards.=C2=A0 Th=
e motor that is being built for the TR4 is being mated to a 4-speed TR4 box=
 that has been order.=C2=A0 Trying to determine what gear ratios to run in =
it.=C2=A0 Will have both a 3.71 and 4.11 final drive and the motor turning =
over at 6k with about 175 hp at the rear wheels.
=20
 =C2=A0
=20
Currently the Toyota boxes we have are running=E2=80=A6
=20
 =C2=A0
=20
1st=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 3.950=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 3.830
=20
2nd=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 2.140=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 2.060
=20
3rd=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1.38=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1.430
=20
4th=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1.00=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 1.00
=20
5th=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0.810=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 0.840
=20
 =C2=A0
=20
Anyone care to share the hot setup for a 4-speed TR4 box?
=20
 =C2=A0
=20

<image001.jpg>=20
Dave Riddle
=20
Business IT Consulting
=20
Office: 480.610.8234
=20
Cell: 602.692.5276
=20
eMail: dave@microworks.net
=20
Website: http://www.microworks.net
=20

<image002.png><image003.png><image004.png><image005.png>
 =C2=A0
 _______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
com


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dy>
Hi Dave,<div><br></div><div>At lime rock a 3.7 with stock ratios you will o=
nly use 3 and 4. &nbsp;When I lost the ability to downshift, I found I coul=
d still be within a second of pace just leaving it in 4th the whole way=E2=
=80=A6. With an engine tuned for midrange power, shifting (when possible) a=
t 6k. &nbsp; &nbsp;Bogging a little out of the esses. &nbsp;Probably taught=
 me a lot when you take away options (how do I keep it in the rev. range???=
)&nbsp; &nbsp;A true momentum track. &nbsp;I try to convince myself that I=
=E2=80=99m a freight train not having to shift while others go through 3 ge=
ars losing momentum each time&nbsp;next to me down the straight. &nbsp; Did=
 I mention I have rose colored glasses?</div><div><br></div><div>Dave Gott<=
br><br><br><div class=3D"yahoo-signature" style=3D""><a style=3D"font-size:=
12px" href=3D"https://mail.onelink.me/107872968?pid=3Dnativeplacement&amp;c=
=3DGlobal_Acquisition_YMktg_315_Internal_EmailSignature&amp;af_sub1=3DAcqui=
sition&amp;af_sub2=3DGlobal_YMktg&amp;af_sub3=3D&amp;af_sub4=3D100000604&am=
p;af_sub5=3DEmailSignature__Static_">Sent from Yahoo Mail for iPhone</a><br=
></div><br><p class=3D"yahoo-quoted-begin" style=3D"font-size: 15px; color:=
 rgb(132, 115, 255); padding-top: 15px; margin-top: 0px;">On Tuesday, March=
 25, 2025, 6:46 AM, Philip Gott via Fot &lt;fot@autox.team.net&gt; wrote:</=
p><blockquote class=3D"iosymail" style=3D""><div id=3D"yiv8038686006"><div>=
Dave;<div>With that power and a 6k red line the 3.7 will do you just fine a=
t Lime Rock assuming you have 23 inch tires.</div><div>Phil Gott</div><div>=
<br clear=3D"none"></div><div><br clear=3D"none" id=3D"yiv8038686006lineBre=
akAtBeginningOfSignature"><div dir=3D"ltr">Sent from my iPhone</div><div di=
r=3D"ltr"><br clear=3D"none"><blockquote type=3D"cite">On Mar 25, 2025, at =
12:07=E2=80=AFAM, Dave Riddle via Fot &lt;fot@autox.team.net&gt; wrote:<br =
clear=3D"none"><br clear=3D"none"></blockquote></div><blockquote type=3D"ci=
te"><div dir=3D"ltr">=EF=BB=BF

</div></blockquote></div></div><style>#yiv8038686006 filtered {}
#yiv8038686006 filtered {}
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#yiv8038686006 div.yiv8038686006WordSection1 {}</style><div><div class=3D"y=
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<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">While=
 we will be running the Toyota 5 speed in the TR4 at Lime Rock that gear bo=
x and engine are slated to go back in the BajaTR3 afterwards.&nbsp; The mot=
or that is being built for the TR4 is being mated to a
 4-speed TR4 box that has been order.&nbsp; Trying to determine what gear r=
atios to run in it.&nbsp; Will have both a 3.71 and 4.11 final drive and th=
e motor turning over at 6k with about 175 hp at the rear wheels.</span></p>=
=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;"> &nbs=
p;</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">Curre=
ntly the Toyota boxes we have are running=E2=80=A6</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;"> &nbs=
p;</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">1<sup=
>st</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.950=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.830</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">2<sup=
>nd</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2.140&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2.060</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">3<sup=
>rd</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.38&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.430</span></p>=
=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">4<sup=
>th</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.00&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.00</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">5<sup=
>th</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.810=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.840</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;"> &nbs=
p;</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">Anyon=
e care to share the hot setup for a 4-speed TR4 box?</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;"> &nbs=
p;</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><a rel=3D"nofollow noopener noreferrer"=
 shape=3D"rect" target=3D"_blank" href=3D"http://www.microworks.net/";><span=
 style=3D"font-size:11.0pt;color:blue;text-decoration:none;"></span></a></p=
><div><a rel=3D"nofollow noopener noreferrer" shape=3D"rect" target=3D"_bla=
nk" href=3D"http://www.microworks.net/";>&lt;image001.jpg&gt;</a></div><span=
 style=3D"font-size:11.0pt;"></span>=20
<p class=3D"yiv8038686006MsoNormal"><b>Dave Riddle</b></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">Busin=
ess IT Consulting</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">Offic=
e: 480.610.8234</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">Cell:=
 602.692.5276</span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">eMail=
: <a rel=3D"nofollow noopener noreferrer" shape=3D"rect" ymailto=3D"mailto:=
dave@microworks.net" target=3D"_blank" href=3D"mailto:dave@microworks.net";>
<span style=3D"color:blue;">dave@microworks.net</span></a></span></p>=20
<p class=3D"yiv8038686006MsoNormal"><span style=3D"font-size:11.0pt;">Websi=
te: <a rel=3D"nofollow noopener noreferrer" shape=3D"rect" target=3D"_blank=
" href=3D"http://www.microworks.net/";>
<span style=3D"color:blue;">http://www.microworks.net</span></a></span></p>=
=20
<p class=3D"yiv8038686006MsoNormal"><a rel=3D"nofollow noopener noreferrer"=
 shape=3D"rect" target=3D"_blank" href=3D"https://partner.microsoft.com/en-=
US/"><span style=3D"font-size:11.0pt;color:windowtext;text-decoration:none;=
"></span></a></p><div><a rel=3D"nofollow noopener noreferrer" shape=3D"rect=
" target=3D"_blank" href=3D"https://partner.microsoft.com/en-US/";>&lt;image=
002.png&gt;</a></div><a rel=3D"nofollow noopener noreferrer" shape=3D"rect"=
 target=3D"_blank" href=3D"https://www.acronis.com/en-us/";><span style=3D"f=
ont-size:11.0pt;color:blue;text-decoration:none;"></span><div>&lt;image003.=
png&gt;</div></a><a rel=3D"nofollow noopener noreferrer" shape=3D"rect" tar=
get=3D"_blank" href=3D"https://www.clio.com/";><span style=3D"font-size:11.0=
pt;color:blue;text-decoration:none;"></span><div>&lt;image004.png&gt;</div>=
</a><a rel=3D"nofollow noopener noreferrer" shape=3D"rect" target=3D"_blank=
" href=3D"https://www.citycommunications.com/";><span style=3D"font-size:11.=
0pt;color:windowtext;text-decoration:none;"></span><div>&lt;image005.png&gt=
;</div></a><span style=3D"font-size:11.0pt;"><div id=3D"yiv8038686006yqtfd8=
8558" class=3D"yiv8038686006yqt8339769336"></div></span><div id=3D"yiv80386=
86006yqtfd68338" class=3D"yiv8038686006yqt8339769336">
<p class=3D"yiv8038686006MsoNormal"> &nbsp;</p>=20
</div></div><div id=3D"yiv8038686006yqtfd84412" class=3D"yiv8038686006yqt83=
39769336">


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