General Motors transmissions

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(Transmission dimensions)
(Undo revision 3485168 by 140.248.77.40 (talk))
 
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| TH200 (Metric), TH200C (Metric)
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| T-200 (Metric), T-200C (Metric)
 
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| TH250, TH250C, TH350, TH350C, TH375B
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| T-250, T-250C, T-350, T-350C, T-375B
 
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| TH375C, TH400, TH475, 3L80, 3L80HD
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| T-375C, T-400, T-475, 3L80, 3L80HD
 
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| TH2004R
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| 2004R
 
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| TH700R4, 4L60, 4L60E  
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| 700R4, 4L60, 4L60E  
 
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{{Note1}}Be careful not to mistake a TH250 for a TH350. The TH250 looks almost identical to the TH350 externally- same size, same oil pan. But unlike the TH350, it has a band adjuster stud and lock nut on the passenger side of the case near the cooler lines, similar in design to the Powerglide. The 1979-'84 TH250C used an oil pan with an X-shaped stamped rib (TH350 oil pan is smooth). Usually found in 1974-'75 Chevrolet Vega/Monza (including H-body clones), Nova, Camaro when coupled to the Vega 4 or 250 inline six. Reintroduced in 1979 as an option for GM A, B, F, and G-bodies in response to the failure rate of the THM200 when used behind anything other than a 4 cylinder (coupled to the Buick V6 3800 engine or Chevrolet 90 degree V6 exc. 4.3L) until 1984 (same as the 1974-'75 design but incorporating a lockup torque converter (same as THM350C), a lightened sunshell with 3 or 6 drilled holes (sometimes used in performance applications to decrease ET due to its lower rotating mass), low/reverse piston (with 8 cutouts), and auxillary valvebody (shared with the THM350C). TH250C mostly found in G-bodies (third generation F-bodies came with the TH200C or 700R4) and some B-bodies until the 1984 model year when it was last optioned.
+
{{Note1}}Be careful not to mistake a T-250 for a T-350. The T-250 looks almost identical to the T-350 externally- same size, same oil pan. But unlike the T-350, it has a band adjuster stud and lock nut on the passenger side of the case near the cooler lines, similar in design to the Powerglide. The 1979-'84 T-250C used an oil pan with an X-shaped stamped rib (T-350 oil pan is smooth). Usually found in 1974-'75 Chevrolet Vega/Monza (including H-body clones), Nova, Camaro when coupled to the Vega 4 or 250 inline six. Reintroduced in 1979 as an option for GM A, B, F, and G-bodies in response to the failure rate of the T-200 when used behind anything other than a 4 cylinder (coupled to the Buick V6 3800 engine or Chevrolet 90 degree V6 exc. 4.3L) until 1984 (same as the 1974-'75 design but incorporating a lockup torque converter (same as T-350C), a lightened sunshell with 3 or 6 drilled holes (sometimes used in performance applications to decrease ET due to its lower rotating mass), low/reverse piston (with 8 cutouts), and auxillary valvebody (shared with the T-350C). T-250C mostly found in G-bodies (third generation F-bodies came with the T-200C or 700R4) and some B-bodies until the 1984 model year when it was last optioned.
  
 
===Transmission dimensions===
 
===Transmission dimensions===
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     <p align="center">
 
     <p align="center">
 
     <b>
 
     <b>
<font size=“2”>300 THM</font></b></p></td>
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<font size=“2”>ST300 </font></b></p></td>
 
     <td bordercolorlight="#FFCCCC" bordercolordark="#800080" style="border-right-style: outset;  border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1" bgcolor="#FFF8DC" height="20" width="100%">
 
     <td bordercolorlight="#FFCCCC" bordercolordark="#800080" style="border-right-style: outset;  border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1" bgcolor="#FFF8DC" height="20" width="100%">
 
<font size=“2”>&nbsp;Super Turbine 300 (2-speed) used in 1964-'69 Buick, Olds, Pontiac</font></td>
 
<font size=“2”>&nbsp;Super Turbine 300 (2-speed) used in 1964-'69 Buick, Olds, Pontiac</font></td>

Latest revision as of 20:22, 22 March 2024

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