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-   -   Dana Mode 20 Axle Tube Diameter? (https://www.jeepscanada.com/jeep-mailing-list-32/dana-mode-20-axle-tube-diameter-27392/)

Jeepers! 05-09-2005 09:24 AM

Re: Dana Mode 20 Axle Tube Diameter?
 
On 2005-05-07 02:01:52 -0500, L.W.(ßill) ------ III <----------@cox.net> said:

> ’83-’86 wide-track CJs: These axles came from the factory with
> 30-spline one-piece flanged axles and many have limited slips. The
> axletubes are 2 ¾ inches in diameter and much stronger than the 2 ½-inch
> tubes found on earlier Dana 44s:
> http://www.jpmagazine.com/techarticl...58/index4.html God
> Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> "Jeepers!" wrote:
>>
>> Am at work and need to order spring perches from 4x4.com Can someone
>> tell me the diameter of the rear axle tube of an 1985 CJ-7? They don't
>> know (guys who do are out of town Jeeping) and I never measured them.
>>
>> THX


Interesting, Bill, my calipers said 2.5 inches. Hmmm.


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Greg 05-09-2005 09:41 AM

Re: Dana Mode 20 Axle Tube Diameter?
 
Well now you have me wondering, will have to go out later and messure my
81 CJ and see.

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645183_25559@news-east.n...
> On 2005-05-07 02:01:52 -0500, L.W.(ßill) ------ III <----------@cox.net>
> said:
>
>> '83-'86 wide-track CJs: These axles came from the factory with
>> 30-spline one-piece flanged axles and many have limited slips. The
>> axletubes are 2 ¾ inches in diameter and much stronger than the 2 ½-inch
>> tubes found on earlier Dana 44s:
>> http://www.jpmagazine.com/techarticl...58/index4.html God
>> Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> "Jeepers!" wrote:
>>>
>>> Am at work and need to order spring perches from 4x4.com Can someone
>>> tell me the diameter of the rear axle tube of an 1985 CJ-7? They don't
>>> know (guys who do are out of town Jeeping) and I never measured them.
>>>
>>> THX

>
> Interesting, Bill, my calipers said 2.5 inches. Hmmm.
>
>
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> News==----
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Greg 05-09-2005 09:41 AM

Re: Dana Mode 20 Axle Tube Diameter?
 
Well now you have me wondering, will have to go out later and messure my
81 CJ and see.

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645183_25559@news-east.n...
> On 2005-05-07 02:01:52 -0500, L.W.(ßill) ------ III <----------@cox.net>
> said:
>
>> '83-'86 wide-track CJs: These axles came from the factory with
>> 30-spline one-piece flanged axles and many have limited slips. The
>> axletubes are 2 ¾ inches in diameter and much stronger than the 2 ½-inch
>> tubes found on earlier Dana 44s:
>> http://www.jpmagazine.com/techarticl...58/index4.html God
>> Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> "Jeepers!" wrote:
>>>
>>> Am at work and need to order spring perches from 4x4.com Can someone
>>> tell me the diameter of the rear axle tube of an 1985 CJ-7? They don't
>>> know (guys who do are out of town Jeeping) and I never measured them.
>>>
>>> THX

>
> Interesting, Bill, my calipers said 2.5 inches. Hmmm.
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> News==----
> http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+
> Newsgroups
> ----= East and West-Coast Server Farms - Total Privacy via Encryption
> =----




Greg 05-09-2005 09:41 AM

Re: Dana Mode 20 Axle Tube Diameter?
 
Well now you have me wondering, will have to go out later and messure my
81 CJ and see.

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645183_25559@news-east.n...
> On 2005-05-07 02:01:52 -0500, L.W.(ßill) ------ III <----------@cox.net>
> said:
>
>> '83-'86 wide-track CJs: These axles came from the factory with
>> 30-spline one-piece flanged axles and many have limited slips. The
>> axletubes are 2 ¾ inches in diameter and much stronger than the 2 ½-inch
>> tubes found on earlier Dana 44s:
>> http://www.jpmagazine.com/techarticl...58/index4.html God
>> Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> "Jeepers!" wrote:
>>>
>>> Am at work and need to order spring perches from 4x4.com Can someone
>>> tell me the diameter of the rear axle tube of an 1985 CJ-7? They don't
>>> know (guys who do are out of town Jeeping) and I never measured them.
>>>
>>> THX

>
> Interesting, Bill, my calipers said 2.5 inches. Hmmm.
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> News==----
> http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+
> Newsgroups
> ----= East and West-Coast Server Farms - Total Privacy via Encryption
> =----




Greg 05-09-2005 09:41 AM

Re: Dana Mode 20 Axle Tube Diameter?
 
Well now you have me wondering, will have to go out later and messure my
81 CJ and see.

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645183_25559@news-east.n...
> On 2005-05-07 02:01:52 -0500, L.W.(ßill) ------ III <----------@cox.net>
> said:
>
>> '83-'86 wide-track CJs: These axles came from the factory with
>> 30-spline one-piece flanged axles and many have limited slips. The
>> axletubes are 2 ¾ inches in diameter and much stronger than the 2 ½-inch
>> tubes found on earlier Dana 44s:
>> http://www.jpmagazine.com/techarticl...58/index4.html God
>> Bless America, ßill O|||||||O
>> mailto:-------------------- http://www.----------.com/
>>
>> "Jeepers!" wrote:
>>>
>>> Am at work and need to order spring perches from 4x4.com Can someone
>>> tell me the diameter of the rear axle tube of an 1985 CJ-7? They don't
>>> know (guys who do are out of town Jeeping) and I never measured them.
>>>
>>> THX

>
> Interesting, Bill, my calipers said 2.5 inches. Hmmm.
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> News==----
> http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+
> Newsgroups
> ----= East and West-Coast Server Farms - Total Privacy via Encryption
> =----




Jeff Strickland 05-09-2005 01:58 PM

Re: Dana Mode 20 Axle Tube Diameter?
 

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645077_25556@news-east.n...
> On 2005-05-06 16:53:19 -0500, "Jeff Strickland" <spamcatcher@yahoo.net>

said:
>
> > No. You should tell them you have an '85 CJ7 with the AMC20 rear axle,

and
> > this will drive you to the correct u-bolts without having to measure
> > anything. The nut takes a 3/4" socket, it that helps.

>
> I don't mean to be arguementative, but the U-bolts aren't what I need.
> I need spring perches so I may cut off my old ones from the axle tube
> to rotate my rear diff up to point at the new location of my NV4500
> output shaft.
>


I'm sorry, I thought the request was for the correct ubolts. The perches are
all the same on the axle side, the difference is the width of the springs.
You keep asking about the diameter of the AMC 20 axle tubes, but there is
only one size of tube. There are two sizes of springs though, so any
difference in the perch has to be on the spring side, and will deal with the
locatiion of the holes so the ubolts will be as close as possible to the
springs.



> >>> By the way, it IS the AMC Model 20, not the Dana Model 20. Perhaps

that
> >>> is the problem with the guys on the Order Desk ...
> >>
> >> No, my bad, typo, here. AMC. The problem is the spring perches come
> >> with different diameter arches in them. You buy the size you need, not
> >> by application.

> >
> > I don't remember this. I replaced my springs a few years ago - do not

get
> > ProComp leaf springs if you can avoid it - and I replaced the spring

perches
> > at the same time. I don't remember two sizes of spring perches. That is,

I
> > think there are narrow springs and wide springs, and this would affect

the
> > perches, but the axle is still the same, so the u-bolts would be the

same.
>
> The perch is welded to the axle. The perches come in different sizes
> for the different diameter axle tubes. They said 2.5" 3" and 3.75"
> (IIRC) They are pretty much generic. I had ordered some last year (when
> I thought I might have time to actually work on the damn thing), but
> what I got were perches for a much bigger diameter tube and they
> wouldn't work. I measured my tube this weekend at 2.5" in diameter
> (don't I wish!). Thanks for trying!
>


OK, I get it.

I don't know what the diameter of the tube is, but I see where you may need
to know it. What I have been saying all along is that if they look up the
'85 CJ with the AMC20 axle, then they should know which perch you need after
you tell them which spring you have. There are narrow and wide springs for
the front, but perhaps there is only one size spring for the back.



Jeff Strickland 05-09-2005 01:58 PM

Re: Dana Mode 20 Axle Tube Diameter?
 

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645077_25556@news-east.n...
> On 2005-05-06 16:53:19 -0500, "Jeff Strickland" <spamcatcher@yahoo.net>

said:
>
> > No. You should tell them you have an '85 CJ7 with the AMC20 rear axle,

and
> > this will drive you to the correct u-bolts without having to measure
> > anything. The nut takes a 3/4" socket, it that helps.

>
> I don't mean to be arguementative, but the U-bolts aren't what I need.
> I need spring perches so I may cut off my old ones from the axle tube
> to rotate my rear diff up to point at the new location of my NV4500
> output shaft.
>


I'm sorry, I thought the request was for the correct ubolts. The perches are
all the same on the axle side, the difference is the width of the springs.
You keep asking about the diameter of the AMC 20 axle tubes, but there is
only one size of tube. There are two sizes of springs though, so any
difference in the perch has to be on the spring side, and will deal with the
locatiion of the holes so the ubolts will be as close as possible to the
springs.



> >>> By the way, it IS the AMC Model 20, not the Dana Model 20. Perhaps

that
> >>> is the problem with the guys on the Order Desk ...
> >>
> >> No, my bad, typo, here. AMC. The problem is the spring perches come
> >> with different diameter arches in them. You buy the size you need, not
> >> by application.

> >
> > I don't remember this. I replaced my springs a few years ago - do not

get
> > ProComp leaf springs if you can avoid it - and I replaced the spring

perches
> > at the same time. I don't remember two sizes of spring perches. That is,

I
> > think there are narrow springs and wide springs, and this would affect

the
> > perches, but the axle is still the same, so the u-bolts would be the

same.
>
> The perch is welded to the axle. The perches come in different sizes
> for the different diameter axle tubes. They said 2.5" 3" and 3.75"
> (IIRC) They are pretty much generic. I had ordered some last year (when
> I thought I might have time to actually work on the damn thing), but
> what I got were perches for a much bigger diameter tube and they
> wouldn't work. I measured my tube this weekend at 2.5" in diameter
> (don't I wish!). Thanks for trying!
>


OK, I get it.

I don't know what the diameter of the tube is, but I see where you may need
to know it. What I have been saying all along is that if they look up the
'85 CJ with the AMC20 axle, then they should know which perch you need after
you tell them which spring you have. There are narrow and wide springs for
the front, but perhaps there is only one size spring for the back.



Jeff Strickland 05-09-2005 01:58 PM

Re: Dana Mode 20 Axle Tube Diameter?
 

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645077_25556@news-east.n...
> On 2005-05-06 16:53:19 -0500, "Jeff Strickland" <spamcatcher@yahoo.net>

said:
>
> > No. You should tell them you have an '85 CJ7 with the AMC20 rear axle,

and
> > this will drive you to the correct u-bolts without having to measure
> > anything. The nut takes a 3/4" socket, it that helps.

>
> I don't mean to be arguementative, but the U-bolts aren't what I need.
> I need spring perches so I may cut off my old ones from the axle tube
> to rotate my rear diff up to point at the new location of my NV4500
> output shaft.
>


I'm sorry, I thought the request was for the correct ubolts. The perches are
all the same on the axle side, the difference is the width of the springs.
You keep asking about the diameter of the AMC 20 axle tubes, but there is
only one size of tube. There are two sizes of springs though, so any
difference in the perch has to be on the spring side, and will deal with the
locatiion of the holes so the ubolts will be as close as possible to the
springs.



> >>> By the way, it IS the AMC Model 20, not the Dana Model 20. Perhaps

that
> >>> is the problem with the guys on the Order Desk ...
> >>
> >> No, my bad, typo, here. AMC. The problem is the spring perches come
> >> with different diameter arches in them. You buy the size you need, not
> >> by application.

> >
> > I don't remember this. I replaced my springs a few years ago - do not

get
> > ProComp leaf springs if you can avoid it - and I replaced the spring

perches
> > at the same time. I don't remember two sizes of spring perches. That is,

I
> > think there are narrow springs and wide springs, and this would affect

the
> > perches, but the axle is still the same, so the u-bolts would be the

same.
>
> The perch is welded to the axle. The perches come in different sizes
> for the different diameter axle tubes. They said 2.5" 3" and 3.75"
> (IIRC) They are pretty much generic. I had ordered some last year (when
> I thought I might have time to actually work on the damn thing), but
> what I got were perches for a much bigger diameter tube and they
> wouldn't work. I measured my tube this weekend at 2.5" in diameter
> (don't I wish!). Thanks for trying!
>


OK, I get it.

I don't know what the diameter of the tube is, but I see where you may need
to know it. What I have been saying all along is that if they look up the
'85 CJ with the AMC20 axle, then they should know which perch you need after
you tell them which spring you have. There are narrow and wide springs for
the front, but perhaps there is only one size spring for the back.



Jeff Strickland 05-09-2005 01:58 PM

Re: Dana Mode 20 Axle Tube Diameter?
 

"Jeepers!" <jeepdeere@aol.com> wrote in message
news:1115645077_25556@news-east.n...
> On 2005-05-06 16:53:19 -0500, "Jeff Strickland" <spamcatcher@yahoo.net>

said:
>
> > No. You should tell them you have an '85 CJ7 with the AMC20 rear axle,

and
> > this will drive you to the correct u-bolts without having to measure
> > anything. The nut takes a 3/4" socket, it that helps.

>
> I don't mean to be arguementative, but the U-bolts aren't what I need.
> I need spring perches so I may cut off my old ones from the axle tube
> to rotate my rear diff up to point at the new location of my NV4500
> output shaft.
>


I'm sorry, I thought the request was for the correct ubolts. The perches are
all the same on the axle side, the difference is the width of the springs.
You keep asking about the diameter of the AMC 20 axle tubes, but there is
only one size of tube. There are two sizes of springs though, so any
difference in the perch has to be on the spring side, and will deal with the
locatiion of the holes so the ubolts will be as close as possible to the
springs.



> >>> By the way, it IS the AMC Model 20, not the Dana Model 20. Perhaps

that
> >>> is the problem with the guys on the Order Desk ...
> >>
> >> No, my bad, typo, here. AMC. The problem is the spring perches come
> >> with different diameter arches in them. You buy the size you need, not
> >> by application.

> >
> > I don't remember this. I replaced my springs a few years ago - do not

get
> > ProComp leaf springs if you can avoid it - and I replaced the spring

perches
> > at the same time. I don't remember two sizes of spring perches. That is,

I
> > think there are narrow springs and wide springs, and this would affect

the
> > perches, but the axle is still the same, so the u-bolts would be the

same.
>
> The perch is welded to the axle. The perches come in different sizes
> for the different diameter axle tubes. They said 2.5" 3" and 3.75"
> (IIRC) They are pretty much generic. I had ordered some last year (when
> I thought I might have time to actually work on the damn thing), but
> what I got were perches for a much bigger diameter tube and they
> wouldn't work. I measured my tube this weekend at 2.5" in diameter
> (don't I wish!). Thanks for trying!
>


OK, I get it.

I don't know what the diameter of the tube is, but I see where you may need
to know it. What I have been saying all along is that if they look up the
'85 CJ with the AMC20 axle, then they should know which perch you need after
you tell them which spring you have. There are narrow and wide springs for
the front, but perhaps there is only one size spring for the back.



Jeepers! 05-09-2005 03:47 PM

Re: Dana Mode 20 Axle Tube Diameter?
 
On 2005-05-09 12:58:33 -0500, "Jeff Strickland" <spamcatcher@yahoo.net> said:

> OK, I get it.
>
> I don't know what the diameter of the tube is, but I see where you may need
> to know it. What I have been saying all along is that if they look up the
> '85 CJ with the AMC20 axle, then they should know which perch you need after
> you tell them which spring you have. There are narrow and wide springs for
> the front, but perhaps there is only one size spring for the back.


They wanted to know the diameter of the tube, as they said, the perches
are generic with the differences being the radius of the axle cutout. I
guess they make them for many size tubes and you buy what you need,
trouble was I didn't know what I needed. I do now, my calipers showed 2
1/2 inches.

Oh well, we all learn something new everyday. Thanks!

Now if I can just find an ARB freezer fridge in the middle 42 size in
stock somewhere... I bought one from a fellow on ebay, he emailed me
back and said he didn't actually have one, 4wheel supply advertised
them as well and I just got off the phone with their rep, after an
online order, and he said they didn't have them either, crap.


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