Auburn Pro vs Detroit Locker vs ?

skidoo · November 30th, 2007, 11:01 AM

what do you guys think of the auburn diff? i saw one at a shop that was all apart, and where the cones sit against the case, it was all grooved and chewed out. no clutches, just metal on metal.
another guy with a mud pulling truck had exploded the case..it cracked where the pinion shaft went in. i only saw this AFTER forking out $$$ to buy one. its in the car now, but never been run yet. i would think slicks on a drag car would be more stressful than mud, right?

1slo5.0 · November 30th, 2007, 01:18 PM

Good heavy duty differentials don't use clutches. Most of the stuff out there uses cones or ratchets.

Auburn and Eaton make good stuff for street/stip cars.

White Thunder · November 30th, 2007, 01:22 PM

if the stangs come with a posi is there really a need for a locker...how much would it help you....or is it one of those things that helps at 500+hp

1slo5.0 · November 30th, 2007, 01:32 PM

Originally Posted by White Thunder

if the stangs come with a posi is there really a need for a locker...how much would it help you....or is it one of those things that helps at 500+hp

Yes. The factory clutch type traction lock is not a heavy duty piece. If you do a lot of drag racing an aftermarket piece can save some headaches. On the plus side the factory piece is easily rebuilt and there are some tricks to make it work a little better.

White Thunder · November 30th, 2007, 01:36 PM

thanks your a good guy to count on for advise with experience....

ryans88gt · November 30th, 2007, 01:48 PM

The factory piece will hold quite a bit of power with the carbon disk upgrade (the are used in the 03-04 cobras, so...) and packing it with four disks instead of three. They will handle quite a bit of power, but plan on rebuilding them every few years if you spend a lot of time at the track. It's not really a big deal, if you don't mind setting your vavle lash twice a year, you shouldn't mind rebuilding your track-lok every year or so.

1slo5.0 · November 30th, 2007, 01:53 PM

Originally Posted by ryans88gt

The factory piece will hold quite a bit of power with the carbon disk upgrade (the are used in the 03-04 cobras, so...) and packing it with four disks instead of three. They will handle quite a bit of power, but plan on rebuilding them every few years if you spend a lot of time at the track. It's not really a big deal, if you don't mind setting your vavle lash twice a year, you shouldn't mind rebuilding your track-lok every year or so.

Setting valve lash takes 15 minutes. Pulling out a traction lock, rebuilding it and reinstalling it takes about 4 hours. Sometimes you should just keep your mouth shut so you don't sound so foolish.

Besides, how do you upgrade your factory traction lock to accept a good axle?

White Thunder · November 30th, 2007, 01:56 PM

the battle begins!

1slo5.0 · November 30th, 2007, 01:58 PM

Originally Posted by White Thunder

the battle begins!

Yep, he is like a teenage boy with some of his comments.

White Thunder · November 30th, 2007, 02:05 PM

i seen the last few....entertainment at its best

skidoo · November 30th, 2007, 02:54 PM

well. i feel a bit better now, an auburn or a detroit locker, pretty close in $$, so i was just second guessing if i made the wrong choice, but the 31 spline axles is exactly the reason i upgraded the posi, anyhow. never had a detoit locker before.
thanks for the info.

White 89 · November 30th, 2007, 03:27 PM

Go with a locker.... Auburns are junk I already broke my auburn. I got a one wheel wonder when doing a burnout at the track and am going with a detroit locker. I run Street ET's at all times so my Posi did take alot of abuse.

gotboost562 · November 30th, 2007, 05:45 PM

I plan on using an Eaton. It already has the carbon-fiber clutches.

flamestang · November 30th, 2007, 07:12 PM

I had an aburn pro for a couple of years and didn't like it from the day it was installed.It popped and chattered with 2 bottles of friction mod and car would not kick sideways it would slip.I now have a FR trac lock and have no complaints.

Iownastang · November 30th, 2007, 07:18 PM

Originally Posted by White 89

Go with a locker.... Auburns are junk I already broke my auburn. I got a one wheel wonder when doing a burnout at the track and am going with a detroit locker. I run Street ET's at all times so my Posi did take alot of abuse.

hope you like driving that locker on the srteet

flamestang · November 30th, 2007, 07:33 PM

I coudn't find cluthes for the aurburn an FR clutches are avilable

ryans88gt · November 30th, 2007, 08:48 PM

Originally Posted by Darrell

Yep, he is like a teenage boy with some of his comments.

I don't know how you figure some of the shit you say, but the factory track lok out of an 03/04 cobra is made for 31 spline axles, cost $200 and is made to hold 400+ hp before you upgrade to 4 clutches per side.

It takes me about 1 hour to rebuild my trak-loc. Drop the cover, take out the pin, knock the clips out, pull the axles 2 inches, knock the spring out, put new clutches in, measure clutch pack and grab the correct shim, put them back in, followed by the spring, clips, and pin. Put cover on and fill the diff. I guess if it is your first time or only have one arm it might take 4 hours...
My current diff hasn't needed a rebuild in two years...

ryans88gt · November 30th, 2007, 08:50 PM

By the way, if you are pulling out a trac lok to rebuild it, that is just retarded they are cake to rebuild while still in the rear.

nba1341 · November 30th, 2007, 08:55 PM

who will win this battle of the ages?

Drick · November 30th, 2007, 08:57 PM

Not you ^

November 30th, 2007, 11:01 AM	#1
skidoo Newbie 1st was 73mach, now 97 old mach1 12.20@ 117mph Join Date: Jun 2007 Location: carp, canada Posts: 34 iTrader: 0 reviews	Auburn Pro vs Detroit Locker vs ? what do you guys think of the auburn diff? i saw one at a shop that was all apart, and where the cones sit against the case, it was all grooved and chewed out. no clutches, just metal on metal. another guy with a mud pulling truck had exploded the case..it cracked where the pinion shaft went in. i only saw this AFTER forking out $$$ to buy one. its in the car now, but never been run yet. i would think slicks on a drag car would be more stressful than mud, right?

November 30th, 2007, 01:18 PM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Good heavy duty differentials don't use clutches. Most of the stuff out there uses cones or ratchets. Auburn and Eaton make good stuff for street/stip cars. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

November 30th, 2007, 01:48 PM	#6
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	The factory piece will hold quite a bit of power with the carbon disk upgrade (the are used in the 03-04 cobras, so...) and packing it with four disks instead of three. They will handle quite a bit of power, but plan on rebuilding them every few years if you spend a lot of time at the track. It's not really a big deal, if you don't mind setting your vavle lash twice a year, you shouldn't mind rebuilding your track-lok every year or so. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

November 30th, 2007, 03:27 PM	#12
White 89 Enthusiast Join Date: Oct 2007 Posts: 825 iTrader: 0 reviews	Go with a locker.... Auburns are junk I already broke my auburn. I got a one wheel wonder when doing a burnout at the track and am going with a detroit locker. I run Street ET's at all times so my Posi did take alot of abuse. __________________ 1989 mustang GT 5.0

November 30th, 2007, 08:50 PM	#18
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	By the way, if you are pulling out a trac lok to rebuild it, that is just retarded they are cake to rebuild while still in the rear. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

November 30th, 2007, 02:54 PM	#11
skidoo Newbie 1st was 73mach, now 97 old mach1 12.20@ 117mph Join Date: Jun 2007 Location: carp, canada Posts: 34 iTrader: 0 reviews	well. i feel a bit better now, an auburn or a detroit locker, pretty close in $$, so i was just second guessing if i made the wrong choice, but the 31 spline axles is exactly the reason i upgraded the posi, anyhow. never had a detoit locker before. thanks for the info.

November 30th, 2007, 05:45 PM	#13
gotboost562 Regular Join Date: Oct 2006 Location: CA Posts: 181 iTrader: 2 reviews	I plan on using an Eaton. It already has the carbon-fiber clutches.

November 30th, 2007, 07:12 PM	#14
flamestang Regular Join Date: Apr 2007 Posts: 338 iTrader: 0 reviews	I had an aburn pro for a couple of years and didn't like it from the day it was installed.It popped and chattered with 2 bottles of friction mod and car would not kick sideways it would slip.I now have a FR trac lock and have no complaints.

November 30th, 2007, 07:33 PM	#16
flamestang Regular Join Date: Apr 2007 Posts: 338 iTrader: 0 reviews	I coudn't find cluthes for the aurburn an FR clutches are avilable

November 30th, 2007, 08:55 PM	#19
nba1341 Banned 1965 Mustang Fastback Join Date: Apr 2007 Location: Los Angeles, Cal Posts: 24,982 Posts: 2,194 iTrader: 0 reviews	who will win this battle of the ages? __________________ I'm a good boy now. [COLOR=red][B]slow car club - crew member 7 of 9 [COLOR=White]Mood: Cool :cool: [/COLOR][/B] [/COLOR]

November 30th, 2007, 08:57 PM	#20
Drick Big timin' in a small town 2004 FX4 F150, 86 GT Join Date: Apr 2007 Location: Gods country. Nordern Michigan eh Posts: 14,336 iTrader: 1 reviews	Not you ^ __________________ FX4 Crew Crew member #1 Don't take anything I say to heart, I don't try to come off as an asshole. It just happens

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