8.750/dana question
#1229276
05/08/12 01:55 AM
05/08/12 01:55 AM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
OP
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OP
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
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0k got a severe case of CRS, cannot for the life of me remember,,,are the axel splines the same for both rear's? 
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: 8.750/dana question
[Re: MR_P_BODY]
#1229278
05/08/12 02:10 AM
05/08/12 02:10 AM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
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thanks Mike,,I have a guy at work that is having a heck of a time finding a good 8.750 posi unit for his,,,,now get this,,,a 1952 chevy street rod, it came with a 8.750 in it,he has found a Dana with a good posi and 4.10 gears and wants to have his axels fit to the dana, he plans on buying the green bearings and new tube ends and have a local fab shop do the work, I think it's a neet idea, if I could only talk him into a nice 440. 
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: 8.750/dana question
[Re: dartman366]
#1229279
05/08/12 06:54 AM
05/08/12 06:54 AM
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Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
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8.75 came factory with 30 splines, some Dana's did also but there are also 35 spline Dana's. The housing ends are the same if the Dana was a passenger car rear.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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Re: 8.750/dana question
[Re: dartman366]
#1229280
05/08/12 10:10 AM
05/08/12 10:10 AM
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Joined: Jan 2003
Posts: 75,020
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,020
U.S.S.A.
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Quote:
thanks Mike,,I have a guy at work that is having a heck of a time finding a good 8.750 posi unit for his,,,,now get this,,,a 1952 chevy street rod, it came with a 8.750 in it,he has found a Dana with a good posi and 4.10 gears and wants to have his axels fit to the dana, he plans on buying the green bearings and new tube ends and have a local fab shop do the work, I think it's a neet idea, if I could only talk him into a nice 440.
What year is the Dana and is it a truck or car rear? 68-69 car rear is 23 spline , 70-72 car rear is 35 spline , I think that some truck rears were 16 spline .
He needs to pull an axle on that dana and find out what it is before , plus 8.75 axles are same lenght side to side , danas aren't.
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Re: 8.750/dana question
[Re: dartman366]
#1229282
05/08/12 11:19 AM
05/08/12 11:19 AM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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That dana probably has 23 spline axles. I thought 8 3/4 rears had 30 spline axles?
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: 8.750/dana question
[Re: an8sec70cuda]
#1229283
05/08/12 11:26 AM
05/08/12 11:26 AM
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Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
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I had a sure grip or trac loc from a mid 80's van and it had 30 splines.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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Re: 8.750/dana question
[Re: Guitar Jones]
#1229284
05/08/12 11:45 AM
05/08/12 11:45 AM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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I'm pretty sure the 8 3/4 originally in my cuda was 30 spline.
Both Dana 60's I've worked w/ recently were both 23 spline and from mid '70s trucks.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: 8.750/dana question
[Re: RobX4406]
#1229286
05/08/12 01:12 PM
05/08/12 01:12 PM
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Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366
OP
I Live Here
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OP
I Live Here
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Posts: 13,247
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I know that the 8.750 is 30 spline, but did not realize the dana's had so many variations of spline count,,,learn somthing every day.  thanks for the responses guy's. 
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: 8.750/dana question
[Re: dartman366]
#1229287
05/08/12 02:50 PM
05/08/12 02:50 PM
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Joined: Aug 2003
Posts: 43,195
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,195
Bend,OR USA
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1970 GMC and Chevy trucks came with 30 spline Dana 60  I'm almost sure some of the 3/4 ton vans ,Ford, Mopar and GM came with them also, mayybe not  You can change the side gears in the non 30 spline posi to 30 spline side gears
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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