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727 front planitary hub spline identification
#1944043
11/02/15 11:43 PM
11/02/15 11:43 PM
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Joined: Aug 2003
Posts: 3,095 Idaho
Runner
OP
master
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OP
master
Joined: Aug 2003
Posts: 3,095
Idaho
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so the 76 up trannys are superposed to have a different angle on the output shaft and the planetary hub. i have a planetary set out of what is supoosed to be a 76 tranny but the planetary will slide right onto the 72 output shaft and seems to fit the same as the warn out 72 hub.
Last edited by Runner; 11/03/15 12:12 AM.
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Re: 727 front planitary hub spline identification
[Re: Runner]
#1944242
11/03/15 04:09 AM
11/03/15 04:09 AM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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I remember reading about that way back in one of the Mopar mags. What I'd do until some who knows chimes in is I'd check out the spline/groove interface with em fitted together with a magnifying glass & see if you see a mismatch on the angles
live every 24 hour block of time like it's your last day on earth
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Re: 727 front planitary hub spline identification
[Re: Runner]
#1944534
11/03/15 08:06 PM
11/03/15 08:06 PM
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Joined: Jan 2003
Posts: 25,951 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,951
Rio Linda, CA
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The angle of the splines changed in '76 and again in '94. In some cases of mismatch the parts will go together but the fit will be loose (and weak) or they won't go together at all.
When in doubt, slide the planetary on the bare output shaft and shine a bright flashlight in from behind. If the spline angles are mismatched it'll be obvious when viewing the light shining through the front.
The INTERNET, the MISinformation superhighway
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Re: 727 front planitary hub spline identification
[Re: Runner]
#1945031
11/04/15 03:08 PM
11/04/15 03:08 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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shining the light would for sure be better than trying to use a magnifying lens
live every 24 hour block of time like it's your last day on earth
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