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Help Me Identify 700r4 L460 or L460E, See Pictures

62K views 10 replies 8 participants last post by  whatachevelle 
#1 ·
OK guys, I have acquired what I was told is a built up 700r4, however I checked the numbers on the passenger side of the tranny and there is no (M) in the series. Is this correct?

My numbers are 3YK172N.

I read for it to be a 700r4 there has to be an (M) in the number.

I know the pan has 16 bolts, what do I have a 700r4, L460 OR L460E?

Please help.



Number (3YK172N)








Bell Housing has the number MD8



 
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#3 ·
MD8 correlates to a 700R4/4L60, a M30 would be a 4L60E. I don't think they used the same case, GM catalog shows a different part number from a 91 (700R4) to a 93 (4L60E). They use the same pan.
 
#5 ·
I do know that if it is a 700R4 that you should make sure that it has the 31 spline input shaft. I had one come with a project of mine, and it ended up being the 26 spline. Long story short, everyone I talked to said not even to waste the money on a new torque convertor, because the 26 spline 700R4's are very unreliable, and gave the 700 a bad name.
 
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