Editing Transmission identification (section)
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===T-10=== *T-85/89 had a 4th gear added and became T-10. *T-10/85/89 all had the 9 bolt side cover, but the T-89 shift arms were staggered, not inline like the T-10 and T-85. *T-10 has a 10-spline input shaft with a length of 8". *T-10 was used almost by every US car company in some point in time. *T-10 and T-89 bolt patterns look very similar also to '49-'64 Ford pattern. *T-10 1966-'70 used large diameter, thicker bearing cap, with the 10-1/2" clutch with long throw out bearing. *T-10 1971-up used small diameter, thinner bearing cap, with the 11" clutch with short throw out bearing. This was also the same bearing that T-96 and T-14 used. *AMC T-10 was the "P" series in 1965-'66, the "T" series in 1967 to early ‘68, and the "V" series from late 1968 until they quit using it. *T-10 Ford case looks the same, but the bottom left bolt hole is kicked out toward the driver side. In AMC case the bottom right bolt is kicked out toward passenger side. Input shaft, tail shaft and tail shaft housing are different and cannot be used. But most internals of the Ford should work since they use the basically same case (although ratios are different). *In 1970 some Javelin applications used a National p/n 8169-S rear seal rather than the usual seal part number. *The upgraded T-10 used by AMC in 1973-'74 was also known as the "Super T-10" in reaction to GM switching to Muncie. *Super T-10 aluminum cases are ~14 lbs. lighter than iron. *The first gear ratio may vary but the gears that make up first gear (on the cluster) are the same except the last set. *Super T-10 were available in three series (AMC may have used): **SI dated from ~1966 **SII dated from ~1974 **SIII dated from ~1978 **Bearing retainer thickness is a clue and SIII cluster shafts are bigger, 1" vs 7/8". <br> <table align="center" border="1" cellpadding="2" cellspacing="0"> <tr bgcolor="#CCCCFF"><td colspan="5" align="CENTER" valign="CENTER"><b>T-10 4-SPEED RATIOS</b></td></tr><tr bgcolor="#FFF8DC"> <td align="CENTER" valign="CENTER">'''Series'''</td><td align="CENTER" valign="CENTER">'''Used in'''</td><td align="CENTER" valign="CENTER">'''First'''</td><td align="CENTER" valign="CENTER">'''Second'''</td><td align="CENTER" valign="CENTER">'''Third'''</td></tr><tr> <td align="CENTER" valign="CENTER">CC</td><td align="CENTER" valign="CENTER">GM</td><td align="CENTER" valign="CENTER">2.88:1</td><td align="CENTER" valign="CENTER">1.91:1</td><td align="CENTER" valign="CENTER">1.33:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">EE</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">GM</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.88:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.74:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.22:1</td></tr><tr> <td align="CENTER" valign="CENTER">EE</td><td align="CENTER" valign="CENTER">GM</td><td align="CENTER" valign="CENTER">2.43:1</td><td align="CENTER" valign="CENTER">1.34:1</td><td align="CENTER" valign="CENTER">1.13:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">OD</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">GM</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.23:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.23:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">0.94:1</td></tr><tr> <td align="CENTER" valign="CENTER">P</td><td align="CENTER" valign="CENTER">AMC</td><td align="CENTER" valign="CENTER">2.43:1</td><td align="CENTER" valign="CENTER">1:76:1</td><td align="CENTER" valign="CENTER">1:46:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">Q</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">Ford</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.64:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.10:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.60:1</td></tr><tr> <td align="CENTER" valign="CENTER">S</td><td align="CENTER" valign="CENTER">AMC/GM/*</td><td align="CENTER" valign="CENTER">2.43:1</td><td align="CENTER" valign="CENTER">1.61:1</td><td align="CENTER" valign="CENTER">1.23:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">T</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">AMC</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.64:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2:10:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.46:1</td></tr><tr> <td align="CENTER" valign="CENTER">V</td><td align="CENTER" valign="CENTER">AMC/*</td><td align="CENTER" valign="CENTER">2.23:1</td><td align="CENTER" valign="CENTER">1.77:1</td><td align="CENTER" valign="CENTER">1.35:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">W</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">GM/*</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.64:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.75:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.33:1</td></tr><tr> <td align="CENTER" valign="CENTER">X</td><td align="CENTER" valign="CENTER">aftermarket</td><td align="CENTER" valign="CENTER">2.64:1</td><td align="CENTER" valign="CENTER">1.61:1</td><td align="CENTER" valign="CENTER">1.23:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">Y</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">aftermarket</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.88:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.74:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.33:1</td></tr><tr> <td align="CENTER" valign="CENTER">Z</td><td align="CENTER" valign="CENTER">GM</td><td align="CENTER" valign="CENTER">3.42:1</td><td align="CENTER" valign="CENTER">2.28:1</td><td align="CENTER" valign="CENTER">1.46:1</td></tr><tr> <td bgcolor="#eeeeee" align="CENTER" valign="CENTER">U</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">GM/*</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">3.42:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">2.28:1</td><td bgcolor="#eeeeee" align="CENTER" valign="CENTER">1.46:1</td></tr><tr> </tr><tr> </tr></table> '''Note:''' *'''<nowiki>*</nowiki>''' = were also available as aftermarket. *V series wide ratio transmission was used 1966-'68 with 2:64 and 2:43 1st gear. *U series had 34 teeth driven by 18 on the cluster. Later when GM used this transmission, the tooth count was changed to a stronger 30 driven by 16. *Some T-10's were Super T-10's with aluminum main bodies. *Z series were all SIII, but to simplify the job of rebuilding Warner came up with a set of parts that would work in a SII case (7/8" cluster shaft, possibly this retrofit makes the transmission a "U" series?). <br>
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