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Message: <blockquote data-quote="shovel" data-source="post: 1590079" data-attributes="member: 29855"><p>I put this together for  my own purposes but I figured it might be useful for others who are making choices about their SN95.    These all assume a manual T5 transmission as equipped in a 1994 Mustang GT.</p><p></p><p>First table is what I'd consider the usable street driving range of engine RPM.   This is completely arbitrary on my part I chose from 1300 rpm to 4500 rpm as that seems like a reasonable range in which to operate the engine within any single gear if conditions are appropriate.  I don't care to discuss,  make your own table with your own rpm band if you like. </p><p></p><table style='width: 100%'><tr><td>Gear</td><td>3.08:1 Axle</td><td>3.27:1 Axle</td><td>3.55:1 Axle</td><td>3.73:1 Axle</td><td>4.10:1 Axle</td></tr><tr><td>1st Gear (3.35)</td><td>10 – 33 mph</td><td>9 – 31 mph</td><td>8 – 29 mph</td><td>8 – 28 mph</td><td>7 – 25 mph</td></tr><tr><td>2nd Gear (1.93)</td><td>17 – 58 mph</td><td>16 – 55 mph</td><td>15 – 50 mph</td><td>14 – 48 mph</td><td>13 – 44 mph</td></tr><tr><td>3rd Gear (1.29)</td><td>25 – 87 mph</td><td>24 – 82 mph</td><td>22 – 75 mph</td><td>21 – 72 mph</td><td>19 – 65 mph</td></tr><tr><td>4th Gear (1.00)</td><td>32 – 112 mph</td><td>30 – 105 mph</td><td>28 – 97 mph</td><td>27 – 92 mph</td><td>24 – 84 mph</td></tr><tr><td>5th Gear (0.68)</td><td>47 – 164 mph</td><td>45 – 155 mph</td><td>41 – 143 mph</td><td>39 – 136 mph</td><td>36 – 123 mph</td></tr></table><p></p><p></p><p>Second table is the road speed at which you'll reach 6000 rpm in each gear.  Yes I know nobody's going 219mph in a SN95.</p><p></p><table style='width: 100%'><tr><td>Gear Ratio</td><td>3.08:1 Axle</td><td>3.27:1 Axle</td><td>3.55:1 Axle</td><td>3.73:1 Axle</td><td>4.10:1 Axle</td></tr><tr><td>1st Gear (3.35)</td><td>44.5</td><td>41.9</td><td>38.6</td><td>36.7</td><td>33.4</td></tr><tr><td>2nd Gear (1.93)</td><td>77.2</td><td>72.7</td><td>67</td><td>63.8</td><td>58</td></tr><tr><td>3rd Gear (1.29)</td><td>115.5</td><td>108.8</td><td>100.2</td><td>95.4</td><td>86.8</td></tr><tr><td>4th Gear (1.00)</td><td>149</td><td>140.4</td><td>129.3</td><td>123</td><td>111.9</td></tr><tr><td>5th Gear (0.68)</td><td>219.1</td><td>206.4</td><td>190.1</td><td>181</td><td>164.6</td></tr></table><p></p><p>Third table is the peak wheel torque in each transmission gear, assuming a stock rating of 285 ft-lb from the engine.</p><table style='width: 100%'><tr><td>Gear Ratio</td><td>3.08:1 Axle</td><td>3.27:1 Axle</td><td>3.55:1 Axle</td><td>3.73:1 Axle</td><td>4.10:1 Axle</td></tr><tr><td>1st Gear (3.35)</td><td>2,940 lb-ft</td><td>3,122 lb-ft</td><td>3,389 lb-ft</td><td>3,561 lb-ft</td><td>3,914 lb-ft</td></tr><tr><td>2nd Gear (1.93)</td><td>1,694 lb-ft</td><td>1,799 lb-ft</td><td>1,953 lb-ft</td><td>2,052 lb-ft</td><td>2,256 lb-ft</td></tr><tr><td>3rd Gear (1.29)</td><td>1,133 lb-ft</td><td>1,202 lb-ft</td><td>1,305 lb-ft</td><td>1,371 lb-ft</td><td>1,507 lb-ft</td></tr><tr><td>4th Gear (1.00)</td><td>878 lb-ft</td><td>932 lb-ft</td><td>1,012 lb-ft</td><td>1,063 lb-ft</td><td>1,168 lb-ft</td></tr><tr><td>5th Gear (0.68)</td><td>597 lb-ft</td><td>634 lb-ft</td><td>688 lb-ft</td><td>723 lb-ft</td><td>795 lb-ft</td></tr></table><p></p><p>And finally this last table is peak wheel torque in each transmission gear assuming a decently put together NA build making 320 ft-lb.    This number is arbitrary and does not reflect my specific engine or anyone else's,  it's just a number that any NA 302 should be able to achieve with the usual HCI stuff and I drew it up to demonstrate contrast vs. the stock values in table #3.</p><p></p><p></p><table style='width: 100%'><tr><td>Gear Ratio</td><td>3.08:1 Axle</td><td>3.27:1 Axle</td><td>3.55:1 Axle</td><td>3.73:1 Axle</td><td>4.10:1 Axle</td></tr><tr><td>1st Gear (3.35)</td><td>3,301 lb-ft</td><td>3,505 lb-ft</td><td>3,805 lb-ft</td><td>3,998 lb-ft</td><td>4,395 lb-ft</td></tr><tr><td>2nd Gear (1.93)</td><td>1,902 lb-ft</td><td>2,020 lb-ft</td><td>2,193 lb-ft</td><td>2,304 lb-ft</td><td>2,533 lb-ft</td></tr><tr><td>3rd Gear (1.29)</td><td>1,272 lb-ft</td><td>1,351 lb-ft</td><td>1,466 lb-ft</td><td>1,541 lb-ft</td><td>1,693 lb-ft</td></tr><tr><td>4th Gear (1.00)</td><td>986 lb-ft</td><td>1,046 lb-ft</td><td>1,136 lb-ft</td><td>1,194 lb-ft</td><td>1,312 lb-ft</td></tr><tr><td>5th Gear (0.68)</td><td>670 lb-ft</td><td>711 lb-ft</td><td>772 lb-ft</td><td>812 lb-ft</td><td>892 lb-ft</td></tr></table><p></p><p>I am not personally invested in what gears other people choose to run or why.</p></blockquote><p></p>