Stock Driveshaft with Cobra Diff and 31 splines?

SteviGX · May 12th, 2008, 09:43 AM

Alright so here is my question.

I already ordered my gears and install kit, now i am onto differential and axles. I dont want to break an axle at the track. i'm running nitto 555r's. If i get the 4:10's put in, how likely is the possibility of them breaking?

Also, is the 31 spline driveshaft from FRPP compatible with the cobra differential. I have done as much searching as i could but can't find anything. Thanks for the help guys

SteviGX · May 12th, 2008, 11:00 AM

Anyone?

GTsetGO · May 12th, 2008, 11:01 AM

31 spline drive shaft??

the cobra diff will work with your stock driveshaft.

HMUSN · May 12th, 2008, 11:04 AM

^ +1

SWEET2KSTANG · May 12th, 2008, 11:06 AM

drive shaft mounts to a flange, all 8.8 gear sets are the same tooth pinion. the stock axles will hold a lot, i was on stock axles for a long time. i launch at 5500 N/A, and 3400-3800 on the juice with et streets and stock rear end set up. i now have a little stronger set up, but my stocker held up just fine.

SteviGX · May 12th, 2008, 11:10 AM

alright. thanks guys.

I meant to say 31 spline yoke. I wasn't sure if that would work with the cobra. But thanks guys.

97SnakeBite · May 12th, 2008, 04:09 PM

the OEM on stangs is 28 spline axle shaft w/28 spline Diff..in oother words if u get 31 spline aything u need to upgrade all to 31...

HMUSN · May 12th, 2008, 04:10 PM

it's a 31 spline yolk in his year and a 28 splice diff..
the drive shaft itself is a direct bolt on.

97SnakeBite · May 12th, 2008, 04:27 PM

Originally Posted by HMUSN

it's a 31 spline yolk in his year and a 28 splice diff..
the drive shaft itself is a direct bolt on.

i was thinkin axle shafts for some reason

..but u r correct on the yolk

May 12th, 2008, 09:43 AM	#1
SteviGX Hardcore Enthusiast 2002 Mustang GT 13.538@101.72 before cams&slicks&gears Join Date: May 2007 Location: Indianapolis Posts: 1,544 iTrader: 2 reviews	Stock Driveshaft with Cobra Diff and 31 splines? Alright so here is my question. I already ordered my gears and install kit, now i am onto differential and axles. I dont want to break an axle at the track. i'm running nitto 555r's. If i get the 4:10's put in, how likely is the possibility of them breaking? Also, is the 31 spline driveshaft from FRPP compatible with the cobra differential. I have done as much searching as i could but can't find anything. Thanks for the help guys __________________ Mineral Gray Club Member #2 Just your average 22 year old dumbass If you didn't build your car, and your bragging about it, STFU

May 12th, 2008, 11:00 AM	#2
SteviGX Hardcore Enthusiast 2002 Mustang GT 13.538@101.72 before cams&slicks&gears Join Date: May 2007 Location: Indianapolis Posts: 1,544 iTrader: 2 reviews	Anyone? __________________ Mineral Gray Club Member #2 Just your average 22 year old dumbass If you didn't build your car, and your bragging about it, STFU

May 12th, 2008, 11:01 AM	#3
GTsetGO Cigar Assassin 2004 Mustang GT 12.88 @ 112 Join Date: Aug 2005 Location: A Galaxy Far, Far Away Posts: 14,083 iTrader: 10 reviews	31 spline drive shaft?? the cobra diff will work with your stock driveshaft. __________________ Cigar Samplers for Sale 2008 Acura TL-S - 2008 Honda Pilot EX-SE - 2008 Cain F Big Bear Paradox

May 12th, 2008, 11:04 AM	#4
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	^ +1 __________________

May 12th, 2008, 11:06 AM	#5
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,541 iTrader: 8 reviews	drive shaft mounts to a flange, all 8.8 gear sets are the same tooth pinion. the stock axles will hold a lot, i was on stock axles for a long time. i launch at 5500 N/A, and 3400-3800 on the juice with et streets and stock rear end set up. i now have a little stronger set up, but my stocker held up just fine. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

May 12th, 2008, 11:10 AM	#6
SteviGX Hardcore Enthusiast 2002 Mustang GT 13.538@101.72 before cams&slicks&gears Join Date: May 2007 Location: Indianapolis Posts: 1,544 iTrader: 2 reviews	alright. thanks guys. I meant to say 31 spline yoke. I wasn't sure if that would work with the cobra. But thanks guys. __________________ Mineral Gray Club Member #2 Just your average 22 year old dumbass If you didn't build your car, and your bragging about it, STFU

May 12th, 2008, 04:09 PM	#7
97SnakeBite Newbie 97 Cobra Join Date: Mar 2008 Location: Sacramento, CA Posts: 42 iTrader: 0 reviews	the OEM on stangs is 28 spline axle shaft w/28 spline Diff..in oother words if u get 31 spline aything u need to upgrade all to 31... __________________ Norcal SVTOA Sacramento Persident/Director

May 12th, 2008, 04:10 PM	#8
HMUSN Doc 1986 SVO 48.47@ 12.58 Join Date: Nov 2006 Posts: 37,050 iTrader: 11 reviews	it's a 31 spline yolk in his year and a 28 splice diff.. the drive shaft itself is a direct bolt on. __________________

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