Axle centerline to u-joint centerline 8.75 vs 9" - Moparts Forums

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Axle centerline to u-joint centerline 8.75 vs 9" #1630456 06/08/14 01:00 PM 06/08/14 01:00 PM
Joined: Dec 2004 Posts: 103 3 340roadrunner OP member
340roadrunner OP member 3 Joined: Dec 2004 Posts: 103	I'm putting a 9" rear end in my cuda. It's a race car and a 4spd and I can't keep rear ends together... I have a brand new drive shaft with 1350 u joints and I'm curious if any one knows the difference between a 9" and 8.75 axle centerline to u joint? I'm hoping I won't have to get a new driveshaft.. That I can modify the one I have. Thanks kevin

Re: Axle centerline to u-joint centerline 8.75 vs 9" [Re: 340roadrunner] #1630457 06/08/14 05:24 PM 06/08/14 05:24 PM
Joined: Jan 2003 Posts: 26,032 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 26,032 Rio Linda, CA	8 3/4" = 12.35" 9" = 10.66" I believe the 9" has different yoke lengths, so that dimension will vary. The INTERNET, the MISinformation superhighway

Re: Axle centerline to u-joint centerline 8.75 vs 9" [Re: John_Kunkel] #1630458 06/08/14 06:39 PM 06/08/14 06:39 PM
Joined: Nov 2009 Posts: 3,410 Belpre,Ohio C CHAPPER master
CHAPPER master C Joined: Nov 2009 Posts: 3,410 Belpre,Ohio	Quote: 8 3/4" = 12.35" 9" = 10.66" I believe the 9" has different yoke lengths, so that dimension will vary. I have seen several different length yokes on the 9". If you like drag racing, support your local track.

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