[Amc-list] enclosed driveline

[jason patrick <mrrumblur_jasonpatrick@xxxxxxxxxxx>]

I've got a '65 Marlin that has a bad driveline vibration at speeds above 40 mph. I plan to replace the joints and have unbolted the tube. I'm not positive what the next step is. Does the diff need to swing back to allow removal? If so, how far back? Thanks in advance.
 
> From: amc-list-request@xxxxxxxxxxxx
> Subject: Amc-list Digest, Vol 26, Issue 31
> To: amc-list@xxxxxxxxxxxx
> Date: Thu, 19 Feb 2009 12:00:02 -0800
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> Today's Topics:
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> 1. 1968 Javelin - Amc/Dana mod. 20 rear end QUESTION
> (Armand Eshleman)
> 2. Re: 1968 Javelin - Amc/Dana mod. 20 rear end QUESTION
> (msproviero@xxxxxxxxxxx)
> 3. Re: 1968 Javelin - Amc/Dana mod. 20 rear end QUESTION
> (Sandwich Maker)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Thu, 19 Feb 2009 13:21:37 -0600
> From: "Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>
> Subject: [Amc-list] 1968 Javelin - Amc/Dana mod. 20 rear end QUESTION
> To: "AMC/Rambler owners, drivers and fans." <amc-list@xxxxxxxxxxxx>
> Cc: mkemper@xxxxxxxxxxxxxxxxxxx
> Message-ID: <002301c992c7$4ab20e20$6701a8c0@xxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> I agree with everything Andrew says except the part about all hubs are the
> same. Well in fact they are the same as far as fitting onto the splined end
> of the axle shaft. But some Jeeps, if not all of them have a different lug
> bolt pattern than the AMC cars.
> I have a Jeep AMC 20 axle here that has a 4-3/4 or 5 inch lug pattern with
> five lug studs on the hub. To the best of my knowledge all AMC cars used a
> 4-1/2 inch spaced five lug pattern. I suppose one could have a Jeep hub
> redrilled and the newly drilled lug stud holes splined for the 4-1/2 inch
> pattern. Not sure how much that would cost................
> Might be cheaper to just buy a set of one piece axles from one of the rear
> end specialists.
> I dunno............
> 
> 
> As far as differentials are concerned IIRC the 2.72 ratio gearset used a
> different carrier than the 2.87 to 3.08 (I think) and the higher numerically
> numbered carriers used a different unit than the 2.87 to 3.08. Same goes for
> the twin grip or track loc carriers.
> The key is easily purchased for a little bit of money at any Mopar dealer
> under a Jeep part number. I believe you must purchase more than one at a
> time.
> 
> Armand
> 
> 
> 
> ----- Original Message ----- 
> From: "Sandwich Maker" <adh@xxxxxxxxxxxxxxxxx>
> To: <amc-list@xxxxxxxxxxxx>
> Cc: <mkemper@xxxxxxxxxxxxxxxxxxx>
> Sent: Thursday, February 19, 2009 12:03 PM
> Subject: Re: [Amc-list] Fw: 1968 Javelin - Amc/Dana mod. 20 rear end
> QUESTION
> 
> 
> > " ----- Original Message ----- 
> > " From: Kemper, Mike
> > " mkemper@xxxxxxxxxxxxxxxxxxx
> > "
> > "
> > " Good morning Eddie,
> > " I have two questions for you, First, Will a Dana/AMC Mod. 20 Twin
> > " Grip rear end out of a 73 Javelin fit right into a 1968 Javelin?
> > " Second, Do you have a Wheel Hub & Key for a standard model 20 rear end
> > " (not a twin grip differential) for my 68 Javelin. I stripped my hub
> > " out, and sheared the key.
> >
> > 1. afaik dana has no connection with the amc20 rear. they did take
> > the amc15 over as the dana 35, but the dana 20 is a transfer case from
> > the '60s and early '70s.
> >
> > 2. iirc the '71-4 javelin/amx rear is wider than the '68-'70.
> > hornet/gremlin/concord/spirit amc20s are the same though.
> >
> > you could always just swap the twin grip diff in.
> >
> > you can also get lots of twin grip, posi, tru trak, and other diffs
> > for the amc20, thanks to the jeep market.
> >
> > 3. hubs and keys are the same on all amc20s. axle shafts are the same
> > for open and twin grip diffs.
> > ________________________________________________________________________
> > Andrew Hay the genius nature
> > internet rambler is to see what all have seen
> > adh@xxxxxxxxxxxxxxxxx and think what none thought
> > _______________________________________________
> > Amc-list mailing list
> > Amc-list@xxxxxxxxxxxx
> > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list
> >
> >
> >
> > -- 
> > No virus found in this incoming message.
> > Checked by AVG.
> > Version: 7.5.552 / Virus Database: 270.11.1/1960 - Release Date: 2/19/09
> 10:48 AM
> >
> >
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Thu, 19 Feb 2009 11:44:37 -0800 (PST)
> From: msproviero@xxxxxxxxxxx
> Subject: Re: [Amc-list] 1968 Javelin - Amc/Dana mod. 20 rear end
> QUESTION
> To: amc-list@xxxxxxxxxxxx
> Message-ID:
> <9330796.948791235072676129.JavaMail.jboss@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> 
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> 
> ------------------------------
> 
> Message: 3
> Date: Thu, 19 Feb 2009 14:49:39 -0500 (EST)
> From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)
> Subject: Re: [Amc-list] 1968 Javelin - Amc/Dana mod. 20 rear end
> QUESTION
> To: amc-list@xxxxxxxxxxxx
> Cc: mkemper@xxxxxxxxxxxxxxxxxxx
> Message-ID: <200902191949.n1JJndH14454@xxxxxxxxxxxxxxxxx>
> 
> " From: "Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>
> " 
> " I agree with everything Andrew says except the part about all hubs are the
> " same. Well in fact they are the same as far as fitting onto the splined end
> " of the axle shaft. But some Jeeps, if not all of them have a different lug
> " bolt pattern than the AMC cars.
> 
> this is true. i should've said amc -cars-...
> 
> " I have a Jeep AMC 20 axle here that has a 4-3/4 or 5 inch lug pattern with
> 
> cj - should be 5x5.5". sj - 6 x 5.5"? should be 1pc axles though.
> 
> some early xjs had amc20s with 5x4.5" lugs. dunno if they were 2pc
> axles like cars and cjs or 1pc like the sj. these would be much like
> the late jav axle though, leaf sprung and 60.5" +/- track.
> 
> " five lug studs on the hub. To the best of my knowledge all AMC cars used a
> " 4-1/2 inch spaced five lug pattern. I suppose one could have a Jeep hub
> " redrilled and the newly drilled lug stud holes splined for the 4-1/2 inch
> " pattern. Not sure how much that would cost................
> 
> i don't think you'd have to spline the holes; splines on the
> pressed-in studs should be enough.
> 
> " Might be cheaper to just buy a set of one piece axles from one of the rear
> " end specialists.
> " I dunno............
> 
> that'd certainly solve the problem once and for all!
> 
> " As far as differentials are concerned IIRC the 2.72 ratio gearset used a
> " different carrier than the 2.87 to 3.08 (I think) and the higher numerically
> " numbered carriers used a different unit than the 2.87 to 3.08. Same goes for
> " the twin grip or track loc carriers.
> " The key is easily purchased for a little bit of money at any Mopar dealer
> " under a Jeep part number. I believe you must purchase more than one at a
> " time.
> 
> afaik the 2.87-down are all the same; 2.56/2.72 had the other carrier.
> amc only had one carrier until the late '70s, thus the oddball 2.87.
> it was the tallest that could be cut for the '3 series' carrier.
> 
> still tbd is whether the 'heavy hummer' 3.07 is a special for the 2.72
> carrier on other hummers [mil and early civ] or a standard gear with
> the usual carrier. the point: hummers have torsen diffs, the coolest
> posi in existence.
> 
> " ----- Original Message ----- 
> " From: "Sandwich Maker" <adh@xxxxxxxxxxxxxxxxx>
> " 
> " > " ----- Original Message ----- 
> " > " From: Kemper, Mike
> " > " mkemper@xxxxxxxxxxxxxxxxxxx
> " > "
> " > "
> " > " Good morning Eddie,
> " > " I have two questions for you, First, Will a Dana/AMC Mod. 20 Twin
> " > " Grip rear end out of a 73 Javelin fit right into a 1968 Javelin?
> " > " Second, Do you have a Wheel Hub & Key for a standard model 20 rear end
> " > " (not a twin grip differential) for my 68 Javelin. I stripped my hub
> " > " out, and sheared the key.
> " >
> " > 1. afaik dana has no connection with the amc20 rear. they did take
> " > the amc15 over as the dana 35, but the dana 20 is a transfer case from
> " > the '60s and early '70s.
> " >
> " > 2. iirc the '71-4 javelin/amx rear is wider than the '68-'70.
> " > hornet/gremlin/concord/spirit amc20s are the same though.
> " >
> " > you could always just swap the twin grip diff in.
> " >
> " > you can also get lots of twin grip, posi, tru trak, and other diffs
> " > for the amc20, thanks to the jeep market.
> " >
> " > 3. hubs and keys are the same on all amc20s. axle shafts are the same
> " > for open and twin grip diffs.
> " > ________________________________________________________________________
> " > Andrew Hay the genius nature
> " > internet rambler is to see what all have seen
> " > adh@xxxxxxxxxxxxxxxxx and think what none thought
> " > _______________________________________________
> " > Amc-list mailing list
> " > Amc-list@xxxxxxxxxxxx
> " > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list
> " >
> " >
> " >
> " > -- 
> " > No virus found in this incoming message.
> " > Checked by AVG.
> " > Version: 7.5.552 / Virus Database: 270.11.1/1960 - Release Date: 2/19/09
> " 10:48 AM
> " >
> " >
> " 
> " _______________________________________________
> " Amc-list mailing list
> " Amc-list@xxxxxxxxxxxx
> " http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list
> " 
> ________________________________________________________________________
> Andrew Hay the genius nature
> internet rambler is to see what all have seen
> adh@xxxxxxxxxxxxxxxxx and think what none thought
> 
> 
> ------------------------------
> 
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> Amc-list mailing list
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> 
> End of Amc-list Digest, Vol 26, Issue 31
> ****************************************

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