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SAE #1 vs SAE #2 Housing Visual Comparison

74M35A2

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Thought this may be useful to anybody with any vehicle contemplating a difference of SAE #1 to SAE #2 engine flywheel housing and transmission clutch / torque converter housing patterns. There are numerous dimensional prints available online to describe such. These are clutch housings for an Eaton / Fuller dual countershaft manual transmission. #2 is top. There is a bolt diameter (hole) difference in addition (7/16" vs 3/8"). Number of holes is the same.

I do have this pic double-posted as it is buried in another trans swap thread. Placed here for ease of search success for others.

CHC.jpg
 
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