C3 Transmissions

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C3 Transmissions

YEARS        Model                     Ratios                 RPO

Automatics - 

'68 -'77   THM400      2.48, 1.48, 1.00, (R)2.07           M40

'76 -'79   THM350      2.52, 1.52, 1.00, (R)2.07           M38

'80 -'81   THM350C    2.52, 1.52, 1.00, (R)2.07           MV4

'82          700-R4        3.06, 1.63, 1.00, .70, (R)2.29    MD8

Manuals -

'68-'69           Saginaw        2.54, 1.56., 1.00, (R)2.41                                       M13

'68-'74part*   Muncie          2.52, 1.89. 1.24, 1.00, (R)2.59                              M20

'68-'74part* Muncie Close Ratio   2.20, 1.64, 1.24, 1.00, (R)2.27                    M21

'68-'71 H.D. version of above        Ratios same as M21. M22

'74part*-'79 Borg-Warner        2.64, 1.75, 1.34, 1.00, (R)2.55                         M20

'78-'79      Saginaw          2.85, 2.02, 1.35, 1.00, (R)2.85                                 M20  Base manual for L48. Full cast iron construction.

'74part*-'79  Borg-Warner close ratio          2.43, 1.61, 1.23, 1.00, (R)2.35    M21

'80-'81 Borg-Warner         2.88, 1.91, 1.33, 1.00, (R)2.78                                M18

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 * The transition from Muncies to Borg-Warners was in Feb/Mar of '74.