Transmission identification
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===Ford T-5=== | ===Ford T-5=== | ||
[[File:T-5z.jpg|thumb|400px|T-5Z]] | [[File:T-5z.jpg|thumb|400px|T-5Z]] | ||
| + | <table border="1" cellpadding="2" cellspacing="0"> <tr bgcolor= "#CCCCFF"> <td colspan="7"><center><b>RATIOS</b></center></td> </tr> <tr bgcolor= "#FFF8DC" > <td><center>'''Years'''</center></td> <td><center><b>1st</b></center></td> <td><center><b>2nd</b></center></td> <td><center><b>3rd</b></center></td> <td><center><b>4th</b></center></td> <td><center><b>5th</b></center></td> <td><b>Reverse</b></td> </tr> <tr> <td bgcolor= "#FFF8DC"><center>1983-'84</center></td> <td>2.95:1</td> <td>1.94:1</td> <td>1.34:1</td> <td>1.00:1</td> <td><center>0.72:1</center></td> <td><center>2.76:1*</center></td> </tr> <tr> <td bgcolor= "#FFF8DC"><center>1985-'89</center></td> <td>3.35:1</td> <td>1.93:1</td> <td>1.29:1</td> <td>1.00:1</td> <td><center>0.68:1</center></td> <td><center>3.15:1</center></td> </tr> <tr> <td bgcolor= "#FFF8DC"><center>1989-on</center></td> <td>3.35:1</td> <td>1.99:1</td> <td>1.33:1</td> <td>1.00:1</td> <td><center>0.68:1</center></td> <td><center>3.15:1</center></td> </tr> <tr> <td bgcolor= "#FFF8DC">Tremec 500</td> <td>3.27:1</td> <td>1.98:1</td> <td>1.34:1</td> <td>1.00:1</td> <td><center>0.68:1</center></td> <td><center>3.01:1</center></td> </tr> <tr> <td bgcolor= "#FFF8DC">Tremec 600</td> <td>2.87:1</td> <td>1.89:1</td> <td>1.28:1</td> <td>1.00:1</td> <td><center>0.64:1</center></td> <td><center>2.56:1</center></td> </tr> <tr> <td bgcolor= "#FFF8DC">Tremec 600</td> <td>2.87:1</td> <td>1.89:1</td> <td>1.28:1</td> <td>1.00:1</td> <td>0.82:1**</td> <td><center>2.56:1</center></td> </tr> </table> | ||
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| + | ;From [http://www.carcraft.com/howto/116_0609_t5_transmission/viewall.html Car Craft]: | ||
| + | While the 1983 5.0L Mustang is where performance enthusiasts were first introduced to the T5, its lineage can be traced all the way back to the 1981 AMC Spirit. The tranny has been used in well over 200 applications and continues to appear in multiple production applications. The T5 can be split into two main categories: the early Non-World Class (NWC), rated at 265 lb-ft of torque capacity, followed by the World Class (WC) version beginning in 1985, rated at the same torque. The WC boxes are the only ones worthy of performance applications, but they still exhibit a couple of weak areas. The gear ratios are shown below. There are myriad T5 boxes used, just within the Mustang world. | ||
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| + | While the World Class tag sounds impressive, the reality is that it wasn't until 1990- when Ford updated the T5 to 310 lb-ft of torque- that the transmissions could really be used in any kind of aggressive performance capacity. The latest version, the so-called "Z" box that was used in the '93 Cobra, is equipped with the best of all the updated parts including: | ||
| + | *hardened gears | ||
| + | *shorter shifter throws | ||
| + | Steel bearing collar | ||
| + | *tapered output-shaft bearings | ||
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| + | ;The Ratio Game | ||
| + | There are two categories of T5 transmissions used in the 5.0 Mustang, commonly differentiated by the First-gear ratio. There are also varying Third- and Fourth-gear ratios, depending on the year of the trans. | ||
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From allfordmustangs.com | From allfordmustangs.com | ||
;Not All T-5's are created equal | ;Not All T-5's are created equal | ||
| − | Not all Borg Warner T-5's are the same. The first T-5 five | + | Not all Borg Warner T-5's are the same. The first T-5 five speed was found in the 1981 AMC Spirit/Concord. In 1983, the T-5 was introduced to Mustangs and are currently still used in the V-6 Mustangs. The T-5 is the only American made standard transmission to span almost 20 years of production. Because of the large quantities of T-5's produced, many parts are interchangeable. There are now over 200 different T-5 transmission assembly part numbers and still counting. |
<br style="clear:both"/> | <br style="clear:both"/> | ||
| − | + | ;World Class and non World Class | |
There are two basic kinds of T-5s, non World Class (NWC) and World Class (WC). In 1983 and '84, Ford used non-World Class T-5 to improve performance and gas mileage at the same time. The NWC boxes had 2.95 first gear set with 1st, 2nd, 3rd, gears riding on a solid output shaft. The counter gears spin on straight cylindrical bearings with thrust washer in front. 3rd, 4th and 5th gears used solid bronze synchros. 1st and 2nd gears used fiber linings bonded to steel rings. Torque rating for the NWC was 265 ft/lbs. | There are two basic kinds of T-5s, non World Class (NWC) and World Class (WC). In 1983 and '84, Ford used non-World Class T-5 to improve performance and gas mileage at the same time. The NWC boxes had 2.95 first gear set with 1st, 2nd, 3rd, gears riding on a solid output shaft. The counter gears spin on straight cylindrical bearings with thrust washer in front. 3rd, 4th and 5th gears used solid bronze synchros. 1st and 2nd gears used fiber linings bonded to steel rings. Torque rating for the NWC was 265 ft/lbs. | ||
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When the 1993 Cobra was introduced, so was the "Cobra Spec" T-5. It was the first T-5 with a front tapered output bearing and steel front bearing retainer. The Cobra boxes also received a reverse brake and synchro assembly where there was none before. Just about everything else remained the same. Torque rating was increased to 310 ft/lbs. | When the 1993 Cobra was introduced, so was the "Cobra Spec" T-5. It was the first T-5 with a front tapered output bearing and steel front bearing retainer. The Cobra boxes also received a reverse brake and synchro assembly where there was none before. Just about everything else remained the same. Torque rating was increased to 310 ft/lbs. | ||
| − | 1994 and '95 were the last two years Ford used the T-5 behind a V8. In the SN95 Mustangs, the bell housing in both 3.8L and 5.0L was made longer to place the T-5 shifter in the correct location to the body. This in turn | + | 1994 and '95 were the last two years Ford used the T-5 behind a V8. In the SN95 Mustangs, the bell housing in both 3.8L and 5.0L was made longer to place the T-5 shifter in the correct location to the body. This in turn required the input shaft to be longer. The neutral safety switch was eliminated, as it was no longer needed. Everything else remained the same. |
| − | The T-5 behind the 3.8L is a 3.35 first gear set with a .68 | + | The T-5 behind the 3.8L is a 3.35 first gear set with a .68 overdrive. What makes these different from the rest is the electronic speedometer trigger. No longer is there a mechanical driven cable system. It has the longer input shaft equipped with a steel front bearing retainer and reverse synchro brake assembly. Torque rating is 300 ft/lbs. |
Ford also used the T-5 behind the 2.3L 4 cylinder engine through the years. While the 4 cylinder T-5 may appear to be the same, they are not. Most 4 cylinder T-5s received a 3.97 gear set with a .79 overdrive and used a small input pilot bearing shaft. Four cylinder T-5's should not be used behind a V8, even when the pilot bearing ID is decreased to match. Simply put, they will not hold up to a V8. Torque rating ~240 ft/lbs. Besides first gear is much too low to be usable. | Ford also used the T-5 behind the 2.3L 4 cylinder engine through the years. While the 4 cylinder T-5 may appear to be the same, they are not. Most 4 cylinder T-5s received a 3.97 gear set with a .79 overdrive and used a small input pilot bearing shaft. Four cylinder T-5's should not be used behind a V8, even when the pilot bearing ID is decreased to match. Simply put, they will not hold up to a V8. Torque rating ~240 ft/lbs. Besides first gear is much too low to be usable. | ||
| − | + | ;The "Z" spec | |
In about 1993 Ford started offering a new service unit to the motorsport crowd: the "Z" spec T-5. The T-5Z is a 1993 Cobra T-5 with 2.95 first gear set and .63 over drive. It has the best of everything. Hardened gears, short throw shifter, steel front bearing retainer, and tapered output shaft bearing. Best of all it has a torque rating of 330ft/lbs. Used in the right application, the T-5 is a good transmission. | In about 1993 Ford started offering a new service unit to the motorsport crowd: the "Z" spec T-5. The T-5Z is a 1993 Cobra T-5 with 2.95 first gear set and .63 over drive. It has the best of everything. Hardened gears, short throw shifter, steel front bearing retainer, and tapered output shaft bearing. Best of all it has a torque rating of 330ft/lbs. Used in the right application, the T-5 is a good transmission. | ||
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