Re: Correct name for Dana antislip unit
[Re: fastmark]
#2873526
01/13/21 05:41 AM
01/13/21 05:41 AM
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Joined: Dec 2003
Posts: 5,364
Port Huron, Michigan
MI_Custumz
master
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master
Joined: Dec 2003
Posts: 5,364
Port Huron, Michigan
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Read on a couple pages, take it as you will:
1958-1969 used the Dana Power-Lok (# 2881487)
1969-1974 used the Borg Warner Spin Resistant (# 2881343)
(Source: 1984 Direct Connection Chassis Book)
9 ¾ AKA Dana 60
The early rear ends were 23 tooth "Power Lok" (1966 - 1969) differentials. In 1970 the 9 ¾ went to 35 tooth axle shafts and were called "Track Lok" differentials.
Dana Power Lok, 1962 - 1969 which are rebuildable (clutch packs)
Borg-Warner Spin Resistant, Late 1969 - 1974 which are not rebuildable (cone type)
Last edited by MI_Custumz; 01/13/21 05:42 AM.
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Re: Correct name for Dana antislip unit
[Re: MI_Custumz]
#2873531
01/13/21 06:44 AM
01/13/21 06:44 AM
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Joined: Jan 2003
Posts: 5,677
Abilene, Texas
fastmark
master
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master
Joined: Jan 2003
Posts: 5,677
Abilene, Texas
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Ok. I have a question. All the Danas I’ve built so far have the Power Lok. I’ve got a 73 Dana rebuilt by DoctorDiff. It has a Track Lok. I’ve got a 70 b body from a charger that has never had the cover off. So your saying it should have the Track Lok and all ebodies as well? I was considering cutting this 73 Dana down to ebody width. I can’t seem to give it away as a 73 b body. I’ve got extra axles and a Power Lok but they are 68 b body.
Last edited by fastmark; 01/13/21 06:44 AM.
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Re: Correct name for Dana antislip unit
[Re: fastmark]
#2873542
01/13/21 07:22 AM
01/13/21 07:22 AM
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Joined: Jan 2003
Posts: 1,218
Tucson AZ,
MadMopars
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,218
Tucson AZ,
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I was considering cutting this 73 Dana down to ebody width. I can’t seem to give it away as a 73 b body. Define "give it away".  Seriously, I'd love to save it from getting cut down and put it in my 73 GTX. If you are considering letting it go, shoot me a PM and let me know. 
Last edited by MadMopars; 01/13/21 07:23 AM.
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Re: Correct name for Dana antislip unit
[Re: V194]
#2874219
01/14/21 11:47 AM
01/14/21 11:47 AM
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Joined: Feb 2014
Posts: 1,192
central il.
second 70
super stock
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super stock
Joined: Feb 2014
Posts: 1,192
central il.
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We have sure grip but what is the official MoPar name for the "posi" in a 1970 Dodge dana 60. 70 had both powr- loc and trac-loc check housing number the trac-loc is a weaker unit.
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Re: Correct name for Dana antislip unit
[Re: moparx]
#2874961
01/16/21 12:21 AM
01/16/21 12:21 AM
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Joined: Jan 2003
Posts: 3,841
Moved to N.E. Tennessee
GomangoCuda
master
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master
Joined: Jan 2003
Posts: 3,841
Moved to N.E. Tennessee
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i see 5.13 and 5.38 ratios were listed. i wonder how many of those were sold ?  Notice the years an axle lengths of those. They never came in any production car. They were sold over the counter as Direct Connection items for building race cars. IF I remember correctly they had 44" or 52" housings and fit cars that had the springs moved into the frame rails.
In theory, there is no difference between theory and practice. In practice, there is.
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Re: Correct name for Dana antislip unit
[Re: GomangoCuda]
#2875017
01/16/21 09:11 AM
01/16/21 09:11 AM
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Joined: Mar 2011
Posts: 1,766
Michigan
Transman
top fuel
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top fuel
Joined: Mar 2011
Posts: 1,766
Michigan
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i see 5.13 and 5.38 ratios were listed. i wonder how many of those were sold ? Notice the years an axle lengths of those. They never came in any production car. They were sold over the counter as Direct Connection items for building race cars. IF I remember correctly they had 44" or 52" housings and fit cars that had the springs moved into the frame rails. Exactly.
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