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Re: Dana 60 problem
[Re: 4406bbl]
#2834403
10/18/20 11:28 PM
10/18/20 11:28 PM
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Joined: Jul 2011
Posts: 781
wine country
8urvette
OP
super stock
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OP
super stock
Joined: Jul 2011
Posts: 781
wine country
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Are the side gears 1 or 2 piece? Doctor diff has a kit to fix that im not sure i know what you are asking. are the little gears one unit? or two? is that the question?
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Re: Dana 60 problem
[Re: 8urvette]
#2834404
10/18/20 11:34 PM
10/18/20 11:34 PM
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Joined: Jan 2003
Posts: 1,908
Nebraska
4406bbl
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,908
Nebraska
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Are the side gears 1 or 2 piece? Doctor diff has a kit to fix that im not sure i know what you are asking. are the little gears one unit? or two? is that the question? No, I mean the gears the axles slide into. I also see heavy wear on the spider gears, and thrust spacer, like it was run with too long of axles and green axle bearings with one axle, likely the right side pushing on that thrust block. How about a pic of the axle, axle bearings and the side gears that slide on the axle. If it has greens you may need to.remove that thrust spacer, or at least make sure you have 3/16" between it and the axle on each side.
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Re: Dana 60 problem
[Re: 4406bbl]
#2834407
10/18/20 11:47 PM
10/18/20 11:47 PM
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Joined: Jul 2011
Posts: 781
wine country
8urvette
OP
super stock
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OP
super stock
Joined: Jul 2011
Posts: 781
wine country
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ah yes, they are 2 piece.
does this matter????
Last edited by 8urvette; 10/18/20 11:56 PM.
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Re: Dana 60 problem
[Re: 8urvette]
#2834410
10/18/20 11:56 PM
10/18/20 11:56 PM
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Joined: Jan 2003
Posts: 1,908
Nebraska
4406bbl
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,908
Nebraska
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ah yes, they are 2 piece. Ok that is likely your problem, how many splines? The kits doc sells are the late one piece gears. In any case you need new internals from what I can see, if one axle is not in the second gear splines car will not move but tires will turn in the air.
Last edited by 4406bbl; 10/19/20 12:01 AM.
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Re: Dana 60 problem
[Re: 8urvette]
#2834416
10/19/20 12:14 AM
10/19/20 12:14 AM
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Joined: Jan 2003
Posts: 30,989
Oregon
AndyF
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I Win
Joined: Jan 2003
Posts: 30,989
Oregon
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I'm not clear on what would cause a rear end to act like that but it seems to be either broken or else it was put together wrong. Not sure how come it wasn't noticed for the past 15 years. Wasn't the car ever driven after the rear end was worked on? Usually the car has to be moved around the shop or driven on a trailer or something. The car went to the chassis shop, came home and sat in the garage a bare shell for the last 15 years. I decided to get it going for my uncle. All he has to do is pay for parts, im donating all my labor. I loaded it on my trailer with my winch and had 3 guys help me get it into my driveway. this was the first attempt for it to move under its own power. Looks like the chassis shop guy did a shoddy job and got lucky since nobody tried to drive the car for 15 years. That is a bummer but it can all be fixed. Just going to cost some money and some time.
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Re: Dana 60 problem
[Re: 8urvette]
#2834422
10/19/20 12:45 AM
10/19/20 12:45 AM
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Joined: Aug 2003
Posts: 43,097
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,097
Bend,OR USA
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What spine axles are you using? I think all the early, pre 35 spline axles Dana 60, had the two piece side gears, I saw the first one piece side gears in a 1970 E body Dana 60. I have also seen a original 23 spline Dana 60 in a early production (assemble in early Oct of 1969) V code 1970 Charger RT 4 speed car with 4.10 gears   Don't feel bad on this it is not the first time I've seen guys put the wrong axle in the wrong side in a race Dana 60  Order a rebuild kit from Cass at Dr. Diff to replace those bad clutches and drive plates, make sure the axle engagement is correct also  
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Dana 60 problem
[Re: 8urvette]
#2834545
10/19/20 11:06 AM
10/19/20 11:06 AM
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Joined: Jan 2003
Posts: 4,711
Moved to N.E. Tennessee
GomangoCuda
master
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master
Joined: Jan 2003
Posts: 4,711
Moved to N.E. Tennessee
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None of your pictures show lube on anything. How far were you going to drive it with no lube? Or is this damage the result of driving it with no lube?
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Dana 60 problem
[Re: GomangoCuda]
#2834615
10/19/20 01:13 PM
10/19/20 01:13 PM
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Joined: Mar 2011
Posts: 3,068
Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,068
Michigan
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None of your pictures show lube on anything. How far were you going to drive it with no lube? Or is this damage the result of driving it with no lube? Was questioning too why the ring gear is dry. Also, are you only showing one set of clutch packs? There should be two sets. Show both sets.
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Re: Dana 60 problem
[Re: 8urvette]
#2834725
10/19/20 06:14 PM
10/19/20 06:14 PM
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Joined: Jan 2005
Posts: 2,540
Milwaukee WI
TRENDZ
master
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master
Joined: Jan 2005
Posts: 2,540
Milwaukee WI
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The clutches can be absolutely worn/ used up and the diff should still transmit power to the axles. The clutches only function is to keep axle speed the same. You have an axle engagement problem.
"use it 'till it breaks, replace as needed"
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Re: Dana 60 problem
[Re: 8urvette]
#2834825
10/19/20 11:06 PM
10/19/20 11:06 PM
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Joined: Jan 2003
Posts: 1,908
Nebraska
4406bbl
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,908
Nebraska
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i reassembled the diff, put it back in the housing.
put a tape measure in the driver side axle tube, down the splines into the button and then compared it to the axle. the axle is within 1/16th of an inch
i left the axle in and measured the passenger side, down the axle tube, through the splines and touched the pin. the axle is almost 1/2" shorter than the measurement. I guess ill be upgrading to 1 piece gears. That will fix it, what spline do you need?
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Re: Dana 60 problem
[Re: 8urvette]
#2834853
10/20/20 02:32 AM
10/20/20 02:32 AM
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Joined: Aug 2003
Posts: 43,097
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,097
Bend,OR USA
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I have a 3 series 30 spline early Dana 60 posi I have never taken apart, I'm thinking they came with the two piece interior posi parts like the 12.17 and 23 spline posi came with stock I'll try and remember to dig it out tomorrow and look inside to see if I can tell if the side gears are one piece or two piece Maybe call Cass either way to check if he can help you on this or not
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Dana 60 problem
[Re: 8urvette]
#2834941
10/20/20 10:29 AM
10/20/20 10:29 AM
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Joined: Jan 2003
Posts: 1,908
Nebraska
4406bbl
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,908
Nebraska
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Ok, not sure if they have reasonably priced 30 spline one piece side gears for dana 60, 32 and 35 for sure, you may have to find spicer parts not yukon. If you look online most gears for sale are for non powerlock diffs so be careful. I don't know what axle bearings you have but you need to use greens with that short axle for sure, and make sure they are the later snap ring style. Cass can fill you in on all this, it might be best to go 35 spline internal kit and new axles, about $600. I would check the diff bearings too, as all that metal may have went thru them, at some point in that ring gears life. You could also buy new axles and reuse the 30 spline stuff.
30 spline 1 piece gear is spicer 34513, the friction plate is 42522, you will need both.
Last edited by 4406bbl; 10/20/20 11:27 AM.
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Re: Dana 60 problem
[Re: 4406bbl]
#2835355
10/20/20 11:11 PM
10/20/20 11:11 PM
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Joined: Jul 2011
Posts: 781
wine country
8urvette
OP
super stock
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OP
super stock
Joined: Jul 2011
Posts: 781
wine country
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Ok, not sure if they have reasonably priced 30 spline one piece side gears for dana 60, 32 and 35 for sure, you may have to find spicer parts not yukon. If you look online most gears for sale are for non powerlock diffs so be careful. I don't know what axle bearings you have but you need to use greens with that short axle for sure, and make sure they are the later snap ring style. Cass can fill you in on all this, it might be best to go 35 spline internal kit and new axles, about $600. I would check the diff bearings too, as all that metal may have went thru them, at some point in that ring gears life. You could also buy new axles and reuse the 30 spline stuff.
30 spline 1 piece gear is spicer 34513, the friction plate is 42522, you will need both. I can't seem to find the 34513 parts anywhere. Cass at DR. diff said its a no go for them on the 30 spline parts. It looks like it will be 615$ OR SO to replace both axles, and rebuilt the diff with 35 spline stuff. Ideally id like to go get a 30 spline axle cut down 5/8" longer than what i have. Ill have to ponder this a bit more. or i cut 1/2" out of the passenger side axle tube, adjust the housing an1/4" over to split the difference and make it work like that. I have the room on the inner wheel tub..... I also have a dana 60 narrowing JIG.
Last edited by 8urvette; 10/20/20 11:18 PM.
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