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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>This Gear Calculator confirms what we saw with the box that was installed and says he will have a higher speeds in all gears with the box that is going in<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><a href="https://racingdiffs.com/pages/gear-ratio-calculator">https://racingdiffs.com/pages/gear-ratio-calculator</a><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal>Plugging in the numbers from the gearbox used at PittRace it shows<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Tire width 205<o:p></o:p></p><p class=MsoNormal>Tire Profile 60<o:p></o:p></p><p class=MsoNormal>Rim Size 15<o:p></o:p></p><p class=MsoNormal>RPM 5000<o:p></o:p></p><p class=MsoNormal>Final Drive 4.63<o:p></o:p></p><p class=MsoNormal>1<sup>st</sup> Gear 3.95 20.07 mph<o:p></o:p></p><p class=MsoNormal>2<sup>nd</sup> Gear 2.14 37.04 mph<o:p></o:p></p><p class=MsoNormal>3<sup>rd</sup> Gear 1.38 57.44 mph<o:p></o:p></p><p class=MsoNormal>4<sup>th</sup> Gear 1.00 79.27 mph<o:p></o:p></p><p class=MsoNormal>5<sup>th</sup> Gear 0.81 97.86 mph<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Using the numbers from the box to be installed. Looks like a good direction<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Final Drive 4.11<o:p></o:p></p><p class=MsoNormal>1<sup>st</sup> Gear 3.83 23.31 mph<o:p></o:p></p><p class=MsoNormal>2<sup>nd</sup> Gear 2.06 43.35 mph<o:p></o:p></p><p class=MsoNormal>3<sup>rd</sup> Gear 1.43 62.44 mph<o:p></o:p></p><p class=MsoNormal>4<sup>th</sup> Gear 1.00 89.30 mph<o:p></o:p></p><p class=MsoNormal>5<sup>th</sup> Gear 0.84 106.3 mph<o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Fot [mailto:fot-bounces@autox.team.net] <b>On Behalf Of </b>Larry Young via Fot<br><b>Sent:</b> Thursday, July 28, 2022 7:43 AM<br><b>To:</b> fot@autox.team.net<br><b>Subject:</b> Re: [Fot] What gear ratios are the TR3/TR4 folks running?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Your original box gives you a high gear of 3.75, which is close to the standard high in a TR rear. I don't know how long the straights are at that track, but if<br> you can't get over 95mph with that ratio, something else is wrong. I think your change will make things worse. - Larry Youmg<o:p></o:p></p><div><p class=MsoNormal>On 7/27/2022 12:09 PM, Dave Riddle via Fot wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>We struggled up the hills in the Baja TR3 at PittRace and topped out at 95 mph coming into T17, 87 mph into T1 and 82 into T3<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Lyman pulled the box that had been in the car from when it ran Offroad Events<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Toyota W59 <o:p></o:p></p><p class=MsoNormal>Rear axle is 4.63, with a Detroit Locker<o:p></o:p></p><p class=MsoNormal>Toyota W59 trans in car bad <o:p></o:p></p><p class=MsoNormal>1) 3.95<o:p></o:p></p><p class=MsoNormal>2) 2.14<o:p></o:p></p><p class=MsoNormal>3) 1.38<o:p></o:p></p><p class=MsoNormal>4) 1.00<o:p></o:p></p><p class=MsoNormal>5) 0.81<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>He is installing a Toyota W55 with the following ratios but obviously they can be changed<o:p></o:p></p><p class=MsoNormal>have a 4.11, also with a Detroit Locker<o:p></o:p></p><p class=MsoNormal>1) 3.83<o:p></o:p></p><p class=MsoNormal>2) 2.06<o:p></o:p></p><p class=MsoNormal>3) 1.43<o:p></o:p></p><p class=MsoNormal>4) 1.00<o:p></o:p></p><p class=MsoNormal>5) 0.84<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>We were running the Hoosier 205/60-15 24.5<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><a href="http://www.microworks.net/"><span style='text-decoration:none'><img border=0 width=191 height=80 id="Picture_x0020_1" src="cid:image001.jpg@01D8A26F.EB450BF0" alt=MWLOGO-Signature></span></a><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:12.0pt'>Dave Riddle</span></b><o:p></o:p></p><p class=MsoNormal>Business IT Consulting<o:p></o:p></p><p class=MsoNormal>Office: 480-610-8234<o:p></o:p></p><p class=MsoNormal>eMail: <a href="mailto:dave@microworks.net">dave@microworks.net</a><o:p></o:p></p><p class=MsoNormal>Website: <a href="http://www.microworks.net/">http://www.microworks.net</a><o:p></o:p></p><p class=MsoNormal><a href="https://partner.microsoft.com/en-US/"><span style='color:windowtext;text-decoration:none'><img border=0 width=150 height=47 id="Picture_x0020_2" src="cid:image002.png@01D8A26F.EB450BF0" alt=Microsoft-Partner-Network></span></a><a href="https://www.acronis.com/en-us/"><span style='text-decoration:none'><img border=0 width=150 height=63 id="Picture_x0020_3" src="cid:image003.png@01D8A26F.EB450BF0" alt="ace_1_orig"></span></a><a href="https://www.clio.com/"><span style='text-decoration:none'><img border=0 width=200 height=61 id="Picture_x0020_4" src="cid:image004.png@01D8A26F.EB450BF0" alt=CCCLogo></span></a><a href="https://www.citycommunications.com/"><span style='color:windowtext;text-decoration:none'><img border=0 width=137 height=40 id="Picture_x0020_5" src="cid:image005.png@01D8A26F.EB450BF0" alt="cityhosted-authorized-dealer_orig"></span></a><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br><br><o:p></o:p></span></p><pre>_______________________________________________<o:p></o:p></pre><pre><a href="mailto:fot@autox.team.net">fot@autox.team.net</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre><a href="http://www.fot-racing.com">http://www.fot-racing.com</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><o:p></o:p></pre><pre>Archive: <a href="http://autox.team.net/archive">http://autox.team.net/archive</a> <a href="http://www.team.net/pipermail/fot">http://www.team.net/pipermail/fot</a><o:p></o:p></pre><pre>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/cartravel@pobox.com">http://autox.team.net/mailman/options/fot/cartravel@pobox.com</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre></blockquote><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p></div></body></html>