Editing General Motors transmissions
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|- | |- | ||
!bgcolor="#CCCCFF"| 2 | !bgcolor="#CCCCFF"| 2 | ||
− | | | + | | TH200 (Metric), TH200C (Metric) |
| align = "center" | 11 | | align = "center" | 11 | ||
|- | |- | ||
! bgcolor="#CCCCFF"|3 | ! bgcolor="#CCCCFF"|3 | ||
− | | | + | | TH250, TH250C, TH350, TH350C, TH375B |
| align = "center" | 13 | | align = "center" | 13 | ||
|- | |- | ||
!bgcolor="#CCCCFF"| 4 | !bgcolor="#CCCCFF"| 4 | ||
− | | | + | | TH375C, TH400, TH475, 3L80, 3L80HD |
| align = "center" | 13 | | align = "center" | 13 | ||
|- | |- | ||
! bgcolor="#CCCCFF"|5 | ! bgcolor="#CCCCFF"|5 | ||
− | | | + | | TH2004R |
| align = "center" | 16 | | align = "center" | 16 | ||
|- | |- | ||
!bgcolor="#CCCCFF"| 6 | !bgcolor="#CCCCFF"| 6 | ||
− | | | + | | TH700R4, 4L60, 4L60E |
| align = "center" | 16 | | align = "center" | 16 | ||
|- | |- | ||
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| align = "center" | 17 | | align = "center" | 17 | ||
|} | |} | ||
− | {{Note1}}Be careful not to mistake a | + | {{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. |
===Transmission dimensions=== | ===Transmission dimensions=== | ||
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*Dimension "D" is the distance between the center of the mounting bolts - this is the "width" of the mounting pad. | *Dimension "D" is the distance between the center of the mounting bolts - this is the "width" of the mounting pad. | ||
*Dimension "E" is the width of the transmission at the bellhousing and combined with dimension "B", helps you roughly compare the size of the various transmissions. | *Dimension "E" is the width of the transmission at the bellhousing and combined with dimension "B", helps you roughly compare the size of the various transmissions. | ||
− | + | ||
<table id="table2" border="1" cellpadding="2" cellspacing="0" width="91%"> | <table id="table2" border="1" cellpadding="2" cellspacing="0" width="91%"> | ||
<tr bgcolor="#CCCCFF"> | <tr bgcolor="#CCCCFF"> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH350'''</td> |
<td align="center" width="70">27-11/16"</td> | <td align="center" width="70">27-11/16"</td> | ||
<td align="center" width="64">21-5/8"</td> | <td align="center" width="64">21-5/8"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH350'''</td> |
<td align="center" width="70">30-11/16"</td> | <td align="center" width="70">30-11/16"</td> | ||
<td align="center" width="64">21-5/8"</td> | <td align="center" width="64">21-5/8"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH350'''</td> |
<td align="center" width="70">33-27/32"</td> | <td align="center" width="70">33-27/32"</td> | ||
<td align="center" width="64">21-5/8"</td> | <td align="center" width="64">21-5/8"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH400/3L80'''</td> |
<td align="center" width="70">28-3/8"</td> | <td align="center" width="70">28-3/8"</td> | ||
<td align="center" width="64">24-5/16"</td> | <td align="center" width="64">24-5/16"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH400/3L80'''</td> |
<td align="center" width="70">33-27/32"</td> | <td align="center" width="70">33-27/32"</td> | ||
<td align="center" width="64">24-5/16"</td> | <td align="center" width="64">24-5/16"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH400/3L80'''</td> |
<td align="center" width="70">37-7/8"</td> | <td align="center" width="70">37-7/8"</td> | ||
<td align="center" width="64">24-5/16"</td> | <td align="center" width="64">24-5/16"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH700R4/4L60'''</td> |
<td align="center" width="70">30-3/4"</td> | <td align="center" width="70">30-3/4"</td> | ||
<td align="center" width="64">23-3/8"</td> | <td align="center" width="64">23-3/8"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH700R4/4L60'''</td> |
<td align="center" width="70">29-7/8"</td> | <td align="center" width="70">29-7/8"</td> | ||
<td align="center" width="64">23-3/8"</td> | <td align="center" width="64">23-3/8"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH700R4/4L60'''</td> |
<td align="center" width="70">29-1/2"</td> | <td align="center" width="70">29-1/2"</td> | ||
<td align="center" width="64">23-3/8"</td> | <td align="center" width="64">23-3/8"</td> | ||
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<td align="center" width="53">3-3/4"</td> | <td align="center" width="53">3-3/4"</td> | ||
<td align="center" width="54">20"</td> | <td align="center" width="54">20"</td> | ||
− | <td align="left" width="285">With | + | <td align="left" width="285">With TH350 6" extension housing</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH700R4/4L60'''</td> |
<td align="center" width="70">30-1/2"</td> | <td align="center" width="70">30-1/2"</td> | ||
<td align="center" width="64">23-3/8"</td> | <td align="center" width="64">23-3/8"</td> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td width="120">''' | + | <td width="120">'''TH2004R'''</td> |
<td align="center" width="70">27-11/16"</td> | <td align="center" width="70">27-11/16"</td> | ||
<td align="center" width="64">n/a</td> | <td align="center" width="64">n/a</td> | ||
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</table> | </table> | ||
;Note | ;Note | ||
− | '''(1)''' An extension housing p/n 8673406 (old p/n 24214689) is available for the | + | '''(1)''' An extension housing p/n 8673406 (old p/n 24214689) is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a TH400 (short-style 4” tail) or TH2004R transmission. This 7-3/8” long extension housing can eliminate transmission crossmember modifications when replacing a TH400 or TH2004R transmission with a 4L60 assembly.<br> |
===Typical application information=== | ===Typical application information=== | ||
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<p align="center"> | <p align="center"> | ||
<b> | <b> | ||
− | <font size=“2”> | + | <font size=“2”>300 THM</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”> Super Turbine 300 (2-speed) used in 1964-'69 Buick, Olds, Pontiac</font></td> | <font size=“2”> Super Turbine 300 (2-speed) used in 1964-'69 Buick, Olds, Pontiac</font></td> |