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Dana 20 to 6R80

MidwestTexan

Jr. Member
Joined
Apr 1, 2018
Messages
92
I'm putting my D20 on my 6R80 with the AA kit. Their instructions are pretty horrible. Is there a diagram or some photos someone can send to clarify what goes where? In particular the bearing. I'm also not sure which way the gear goes onto the spud shaft. The one that goes into the D20.

Thanks!

Jordan
 

Broncobowsher

Total hack
Joined
Jun 4, 2002
Messages
37,076
The gear that goes into the transfer case. See the extra row of small teeth? That goes in. Get it backwards an you will have to 2wd high range. That is what the shift collar mates to for rear high range.
 
OP
OP
MidwestTexan

MidwestTexan

Jr. Member
Joined
Apr 1, 2018
Messages
92
Thanks Broncobwsher, that really helps. Do I press the large bearing into the aluminum piece that came with the kit? It looks like that's where it goes, but I'd hate to be wrong.
 

JB Fab

Sponsor/Vendor
Bronco Guru
Joined
Mar 21, 2004
Messages
1,517
Not on our site yet, but we have "T" type twin-sticks shifters for the 6R80 swap.
Note: For "J" type we recommend switching your shift-rails to our replacement "T" type shift-rails.
 

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MidwestTexan

MidwestTexan

Jr. Member
Joined
Apr 1, 2018
Messages
92
Not on our site yet, but we have "T" type twin-sticks shifters for the 6R80 swap.
Note: For "J" type we recommend switching your shift-rails to our replacement "T" type shift-rails.

Yes sir, I bought your twin-sticks from Tom's.... They look fantastic! They also threw in the upgraded knobs since they were out of the standard ones... They look amazing as well!

I think I have the order in which all the parts go together into the D20, although I can't find the pocket bearings. I had my D20 rebuilt by a local shop and it looks like they forgot to give them back. I probably should put new ones in since I had all of the other bearings replaced. Are they hard to source locally or would I need to go through one of the vendors?
 

Broncobowsher

Total hack
Joined
Jun 4, 2002
Messages
37,076
Thanks Broncobwsher, that really helps. Do I press the large bearing into the aluminum piece that came with the kit? It looks like that's where it goes, but I'd hate to be wrong.

Never done a 6R80. But most of the AA instructions are well known for being extremely minimalistic. Often just a copy of the design drawing. The good thing is usually things only fit one way. But the catcher is you have to think ahead. Line up all the parts, find where they go first. There is often things like a seal must be installed before a bearing is pressed on. If you line things up first you can tell what is captive and needs to go first. That's my best generic AA advise.
 
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