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Pro Aubrun or NOT?

  • Thread starter Thread starter 1200gt
  • Start date Start date Feb 14, 2013

1200gt

Active Member
Nov 29, 1999
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39
Feb 14, 2013
#1
  • Feb 14, 2013
  • #1
I have a Pro Auburn that I was going to use on my other off raod strip car - that im no longer building. Should put it in my street 8.8, or not bother the hastle? Has 31 spline... BTW, I'm sure that i'll be going into the rear anyway, for gears.
 

Rick 91GT

Mustang Master
Nov 29, 1999
9,692
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PA
Feb 17, 2013
#2
  • Feb 17, 2013
  • #2
If your going into the rear I see no reason to not use it, still a quality piece that is stronger the then original
 

srtthis

the guy doing it does every local racers rear end
15 Year Member
Jul 3, 2009
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Feb 19, 2013
#3
  • Feb 19, 2013
  • #3
i agree with rick on most things but not this one... going to 31 spline axles is a good thing just not with an auburn. id go with a track loc before an auburn. the allburnt doesnt use a clutch pack but has cones on the backs of the gears, once they wear out they are done...
 

1200gt

Active Member
Nov 29, 1999
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Feb 21, 2013
#4
  • Feb 21, 2013
  • #4
srtthis said:
i agree with rick on most things but not this one... going to 31 spline axles is a good thing just not with an auburn. id go with a track loc before an auburn. the allburnt doesnt use a clutch pack but has cones on the backs of the gears, once they wear out they are done...
Click to expand...

Out of town, sorry for delay...
What kind of conditions could I expect from the worn cones in the auburn? Within general street use peramiters, what's the service life on the auburn IYO? Are they used in street OEM applications I wonder?

I would more than likely not opt to buy an Track Loc. I am concidering the Auburn because I already have it. Going to be buying axles soon for my disc brake conversion project, so I would like to plan this out before purchasing more stuff.
 

1200gt

Active Member
Nov 29, 1999
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Feb 21, 2013
#5
  • Feb 21, 2013
  • #5
Rick 91GT said:
If your going into the rear I see no reason to not use it, still a quality piece that is stronger the then original
Click to expand...

Rick, thanks for the input. I certainly will be inside the rearend, and as I mentioned, I do have the Pro Auburn already. Same question to you as above about street usage for the auburn as well as service life...

Thanks friend,

Dwayne
 

srtthis

the guy doing it does every local racers rear end
15 Year Member
Jul 3, 2009
5,129
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Feb 21, 2013
#6
  • Feb 21, 2013
  • #6
not sure how many miles mine had on it since it was in the car when i got it. but i know since i had the car it only had about 3000 miles on it and about 6 track passes on it. once the cones wear out they just slip like a tracklock does and you get the 1 tire fire...
 

1200gt

Active Member
Nov 29, 1999
357
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39
Mar 4, 2013
#7
  • Mar 4, 2013
  • #7
srtthis said:
not sure how many miles mine had on it since it was in the car when i got it. but i know since i had the car it only had about 3000 miles on it and about 6 track passes on it. once the cones wear out they just slip like a tracklock does and you get the 1 tire fire...
Click to expand...

Well that is at least comforting to know that he one tire fire in the only issue to be concerned about. I think i'll still install mine. Surely I won't rag on it too badly anyway
 

stangboy

Founding Member
Aug 31, 1999
3,932
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194
New Orleans, LA
Mar 4, 2013
#8
  • Mar 4, 2013
  • #8
Ok I wish I would have known this about Auburn diffs before I bought the used one I have. Now I'm gonna have that lingering in the back of my mind everytime I launch my car.
 

7991LXnSHO

wanna catch the space herp
10 Year Member
Sep 1, 2010
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Mar 4, 2013
#9
  • Mar 4, 2013
  • #9
If it is like the cones in my 1965 A body GM, it is a nice, smooth piece with a long service life. I hear you can turn (or mark and grind off) the ends of cones off and keep using them if you do too many dumb burn outs. Dumb equals extended one wheel on ice and one on clean pavement burnouts.
The same stuff that will smoke clutches too. That said, I will buy clutch type from Ford because the all gear type I want is cost prohibitive.
 

srtthis

the guy doing it does every local racers rear end
15 Year Member
Jul 3, 2009
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Mar 5, 2013
#10
  • Mar 5, 2013
  • #10
7991LXnSHO said:
If it is like the cones in my 1965 A body GM, it is a nice, smooth piece with a long service life. I hear you can turn (or mark and grind off) the ends of cones off and keep using them if you do too many dumb burn outs. Dumb equals extended one wheel on ice and one on clean pavement burnouts.
The same stuff that will smoke clutches too. That said, I will buy clutch type from Ford because the all gear type I want is cost prohibitive.
Click to expand...
difference in the traclock when it burns up the clutches you can buy new ones and be back good as new.

as for the gear type? you talking about the T2R diff? i think the one i had for sale just sold... ill have to check with bob. think he ended up letting it go for about 450
 

speedtrip

Member
May 22, 2005
93
5
9
Jerkwater, U.S.A
Mar 5, 2013
#11
  • Mar 5, 2013
  • #11
Ive had auburn pro 31 spline for 20,000 miles. Lots of track passes no problems yet.
 
Reactions: stangboy

7991LXnSHO

wanna catch the space herp
10 Year Member
Sep 1, 2010
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Kearney, NE
Mar 5, 2013
#12
  • Mar 5, 2013
  • #12
srtthis said:
difference in the traclock when it burns up the clutches you can buy new ones and be back good as new.

as for the gear type? you talking about the T2R diff? i think the one i had for sale just sold... ill have to check with bob. think he ended up letting it go for about 450[/quote

I was thinking about wanting a helical gear differential like the Eaton Truetrac. No wearable parts sounds like a good deal for heavy use.
Click to expand...
 
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