9" pinion yoke
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Postmaster
Joined: Jul 2003
Posts: 2,711
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From: Pittsburgh
9" pinion yoke
I'm **trying** to put the rear most u-joint in my truck, but it appears that i have run into an issue. My truck is an '85 that I'm putting the running gear out of an '80 under. I got a u-joint for an '80 since the diff and the driveshaft are out of the '80. Well, the u-joint doesn't fit the diff yoke 
. I'm going to order a u-joint by dimensions to get me going, but i'd like to get the right yoke on there to ease future replacement. So, what years and models of 9" have the same size yoke as the '80 model? I'd like to do a junkyard run seeing as how new ones cost almost $100.
Justin
. I'm going to order a u-joint by dimensions to get me going, but i'd like to get the right yoke on there to ease future replacement. So, what years and models of 9" have the same size yoke as the '80 model? I'd like to do a junkyard run seeing as how new ones cost almost $100.Justin
Laughing Gas
Joined: Jun 2003
Posts: 1,218
Likes: 2
From: Parkville, MO (KC)
Are you saying that you are going to order a u-joint that has different sizes in each direction? Of course, some vehicles come that way, but I am wondering as well if that is OK to do, when things were not designed that way.
I am about to post a very similar question. Its different enough that I didn't want to steal your thread.
Do you know what it entails to swap the yokes?
I am about to post a very similar question. Its different enough that I didn't want to steal your thread.
Do you know what it entails to swap the yokes?
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Postmaster
Joined: Jul 2003
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From: Pittsburgh
What I'm saying is that the stock u-joint is one set of dimensions across one trunion and another set across the other trunion. The yoke that is on my rear end does not accept a stock u-joint.
I had to order a u-joint by dimensions to get one for my truck.
I want to put the proper yoke on my 9" so if i blow out the u-joint i can just get one for an '80 f-150 4x4 in case the shop doesn't sell by dimensions.
I need to know what year 9's I can get the yoke off that share the same joint dimensions as an '80 4x4.
Justin
I had to order a u-joint by dimensions to get one for my truck.
I want to put the proper yoke on my 9" so if i blow out the u-joint i can just get one for an '80 f-150 4x4 in case the shop doesn't sell by dimensions.
I need to know what year 9's I can get the yoke off that share the same joint dimensions as an '80 4x4.
Justin
Cargo Master
Joined: Dec 2003
Posts: 2,735
Likes: 38
From: Sunny Florida
Whay don't you just cross reference the u-joint part number you just bought to what trucks or cars it came on? Changing the yoke will require you to replace the crush sleeve and set the proper drag on the pinion bearings. If you haven't done this and you just swap out the yoke you could very well end up shortening the life of the rear axle.
There is no problem doing this. I run an offset u-joint in my mustang. There was no reason for me to spend $45 on a new yoke when I had a good one.
There is no problem doing this. I run an offset u-joint in my mustang. There was no reason for me to spend $45 on a new yoke when I had a good one.
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Postmaster
Joined: Jul 2003
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From: Pittsburgh
If i swap the yoke I can reset the rear end no problem. it's also the fact that the truck seems to have blown out the rear u-joint once before as the yoke is kinda chewed up. It's still useable, but it isn't ideal.
Justin
Justin
