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Username Post: '68 Chevelle 3 sp. OD trans ?        (Topic#365632)
rod 
Member #248 Senior Member
Posts: 1741

Loc: kingman,az
Reg: 04-29-00
06-27-21 03:58 PM - Post#2822201    

how do you tell the difference between a Saginaw and Muncie 3 speed?
where there different gear ratios within the same mfg.? this one is very close between 2nd and High.
any other help will be appreciated.
thanks Rod in AZ



 


docjns1 
"2nd Year" Gold Supporting Member
Posts: 194
docjns1
Loc: upstate NY
Reg: 11-12-19
06-29-21 04:37 PM - Post#2822330    
    In response to rod

You should see an ID # stamped on the case near the lower rear corner of the side cover that will indicate manufacturer and date. As for ratios, usually the splined input shaft will have rings/grooves cut around the shaft to indicate the ratios. I've seen several charts with different ratios for the same trannys so take that w/a grain of salt.

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Attachment: trans_ID.jpg (112.18 KB) 3 View(s)




Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif


 
rod 
Member #248 Senior Member
Posts: 1741

Loc: kingman,az
Reg: 04-29-00
06-30-21 07:16 PM - Post#2822416    
    In response to docjns1

Steve, what a great job you did. I cant wait till tomorrow to check the mfg. wont know the ratio till I pull it. much later after the AZ heat goes away.
big thanks. Rod in AZ



 
docjns1 
"2nd Year" Gold Supporting Member
Posts: 194
docjns1
Loc: upstate NY
Reg: 11-12-19
07-01-21 03:56 PM - Post#2822464    
    In response to rod

my pleasure!

Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif


 


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