Dif info pls

86gt t-top · February 3rd, 2009, 08:30 PM

ok i been asking around about getting a new dif and i still need some more info. I keep seeimg 31 and 28 and whats the difference and im looking 4 a new traction lok for my stock 86 gt and iwould like to know which one that i need . thanks

C MY 4D · February 3rd, 2009, 08:32 PM

Well with what ever diff you choose you need axles to match. The 31 spline is far superior to the 28. The actual I.D. is larger which makes it stronger.

HMUSN · February 3rd, 2009, 08:33 PM

you would need one for an 8.8

what are you trying to do with the car? slight up grade.. all out?

There are many different set ups you could go with.

86er · February 3rd, 2009, 08:35 PM

stock 8.8 was 28 spline, 31 is stronger and you can get a 31 spline track lock out of explorers that had the tow package, f150's with the tow package and 4x4 rangers

86gt t-top · February 3rd, 2009, 10:11 PM

Originally Posted by HMUSN

you would need one for an 8.8

what are you trying to do with the car? slight up grade.. all out?

There are many different set ups you could go with.

well i got some 3.73 gears and i tought that it would be a good time for me to changed the rear end so i can get rid of the one wheel burn outs

Im startng to go to the local drag strip and i just got some new rims and tires on the way and im also looking to build the motor when i take my motor rebuild class in spring but i also want some that i can still drive on the street
so what would my best way to go

03MachMe · February 3rd, 2009, 11:03 PM

if you have the money get the 31s you will also need new axles if you do that your stock i belive is 28 so you can get a new 28 spline diff and not change the axles if you cant afford that.

86gt t-top · February 4th, 2009, 12:36 AM

Originally Posted by 03MachMe

if you have the money get the 31s you will also need new axles if you do that your stock i belive is 28 so you can get a new 28 spline diff and not change the axles if you cant afford that.

so if i want to keep most of it stock go with a 28 spline cause i just want to but the gears in and a new dif and be done with messing with the rear end

Iwannagofast · February 4th, 2009, 12:38 AM

i think all your really tlkin about needing right now is a rebuild kit for the trac lok....its like 50 bucks

03MachMe · February 4th, 2009, 02:16 AM

Originally Posted by Iwannagofast

i think all your really tlkin about needing right now is a rebuild kit for the trac lok....its like 50 bucks

that might be able to work as well

86gt t-top · February 4th, 2009, 02:35 AM

Originally Posted by Iwannagofast

i think all your really tlkin about needing right now is a rebuild kit for the trac lok....its like 50 bucks

welll how hard is it tobuild a tracion lok ... like on a scle 1 to 10

C MY 4D · February 4th, 2009, 08:20 AM

5

Arctic Fox · February 4th, 2009, 09:55 AM

Originally Posted by 86gt t-top

welll how hard is it tobuild a tracion lok

Theres a great write-up on that, made by ryans88gt. Read it through and you should have good idea what kind of job it is. You can find the sticky thread on top of the 5.0 forum.

grnstang · February 4th, 2009, 10:45 AM

if you get your LSD out of your rear end, it wouldnt cost much to have someone rebuild it

ryans88gt · February 4th, 2009, 10:49 AM

If you are going to do the gear swap yourself, the trac-lok rebuild is cake in comparison.

86gt t-top · February 4th, 2009, 01:33 PM

well i read the write up by ryan88gt and idont think imready to mess around that sort of stuff yet. i think igoing to keep looking up info to c what the best way to go

flyin ryan · February 4th, 2009, 02:43 PM

I agree just rebuild what you have until you have the power to warrant an upgrade to 31 spline axles

Hunt_chevs · February 4th, 2009, 03:44 PM

whats the better idea in yall's opinion,... replace old worn out trac-loc with used explo/ranger/f150,... or rebuild the existing one?

M L Struck · February 4th, 2009, 04:19 PM

buy the gears and the rebuild kit and take it to a shop and have it done.The rebuild wont cost any more the the gear set up. If your not sure of the rebuild you wont want to do the gear set up your self.

86gt t-top · February 4th, 2009, 04:22 PM

Originally Posted by M L Struck

buy the gears and the rebuild kit and take it to a shop and have it done.The rebuild wont cost any more the the gear set up. If your not sure of the rebuild you wont want to do the gear set up your self.

that sounds good ithink im going to go with that

ryans88gt · February 4th, 2009, 05:06 PM

For sure the gear swap is the harder of the 2. I can usually rebuild a trac lok in about 2 hours while drinking beer.

February 3rd, 2009, 08:30 PM	#1
86gt t-top Regular 1986 mustang GT T-top Join Date: Apr 2008 Location: El Segundo Ca Posts: 422 iTrader: 0 reviews	Dif info pls ok i been asking around about getting a new dif and i still need some more info. I keep seeimg 31 and 28 and whats the difference and im looking 4 a new traction lok for my stock 86 gt and iwould like to know which one that i need . thanks

February 3rd, 2009, 08:32 PM	#2
C MY 4D Billy Weston 2003 Cobra 11.14@124.36 Join Date: Aug 2006 Location: Hampton, VA Posts: 4,806 iTrader: 8 reviews	Well with what ever diff you choose you need axles to match. The 31 spline is far superior to the 28. The actual I.D. is larger which makes it stronger. __________________ TT Build in progress....... Need work done to your car for a great price in Hampton Roads? Shoot me a PM.

February 3rd, 2009, 08:35 PM	#4
86er I Post Entirely Way Too Much Join Date: Nov 2006 Location: Memphis, TN Posts: 7,626 iTrader: 0 reviews	stock 8.8 was 28 spline, 31 is stronger and you can get a 31 spline track lock out of explorers that had the tow package, f150's with the tow package and 4x4 rangers __________________ Just a truck 5.4 3v: 264hp 317ft lbs rock stock The "search" button, its not just for porn piecing together the next project faster than your first sexual experience

February 3rd, 2009, 11:03 PM	#6
03MachMe Regular 2003 Mach 1 Mustang Join Date: Aug 2008 Location: N. Texas Posts: 312 iTrader: 0 reviews	if you have the money get the 31s you will also need new axles if you do that your stock i belive is 28 so you can get a new 28 spline diff and not change the axles if you cant afford that. __________________ mostly stock 8.2@83 1/8th

February 4th, 2009, 08:20 AM	#11
C MY 4D Billy Weston 2003 Cobra 11.14@124.36 Join Date: Aug 2006 Location: Hampton, VA Posts: 4,806 iTrader: 8 reviews	5 __________________ TT Build in progress....... Need work done to your car for a great price in Hampton Roads? Shoot me a PM.

February 3rd, 2009, 08:33 PM	#3
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	you would need one for an 8.8 what are you trying to do with the car? slight up grade.. all out? There are many different set ups you could go with.

February 4th, 2009, 10:45 AM	#13
grnstang Hardcore Enthusiast 91 LX 13.7@101 Join Date: Oct 2008 Location: Norwalk OH Posts: 1,426 iTrader: 1 reviews	if you get your LSD out of your rear end, it wouldnt cost much to have someone rebuild it __________________

February 4th, 2009, 10:49 AM	#14
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	If you are going to do the gear swap yourself, the trac-lok rebuild is cake in comparison. __________________ 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

February 4th, 2009, 01:33 PM	#15
86gt t-top Regular 1986 mustang GT T-top Join Date: Apr 2008 Location: El Segundo Ca Posts: 422 iTrader: 0 reviews	well i read the write up by ryan88gt and idont think imready to mess around that sort of stuff yet. i think igoing to keep looking up info to c what the best way to go

February 4th, 2009, 02:43 PM	#16
flyin ryan Banned Join Date: Jun 2008 Posts: 3,387 iTrader: 0 reviews	I agree just rebuild what you have until you have the power to warrant an upgrade to 31 spline axles

February 4th, 2009, 03:44 PM	#17
Hunt_chevs Hardcore Enthusiast 2002 Gt Not Slow Join Date: Aug 2007 Location: SJ-CA, 50-ft elev. Posts: 1,649 iTrader: 1 reviews	whats the better idea in yall's opinion,... replace old worn out trac-loc with used explo/ranger/f150,... or rebuild the existing one? __________________ 2k2 Gt Eibach pro kit, bbk cold air, exhaust, 4.10s, 6k hid's

February 4th, 2009, 04:19 PM	#18
M L Struck Hardcore Enthusiast 85 GT/86 SVO/2010 GT500 Join Date: Oct 2008 Location: Rossville IN Posts: 1,183 iTrader: 0 reviews	buy the gears and the rebuild kit and take it to a shop and have it done.The rebuild wont cost any more the the gear set up. If your not sure of the rebuild you wont want to do the gear set up your self.

February 4th, 2009, 05:06 PM	#20
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	For sure the gear swap is the harder of the 2. I can usually rebuild a trac lok in about 2 hours while drinking beer. __________________ 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

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