• Mustang Forums
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech

will an SN95 8.8 rear end fit into my 68 stang?

  • Thread starter Thread starter jpolakow
  • Start date Start date Nov 4, 2007

jpolakow

New Member
Nov 23, 2006
8
0
0
Nov 4, 2007
#1
  • Nov 4, 2007
  • #1
Hi,
I am considering buying an 8.8 rear end from a 95 cobra. I understand the cobra's to use 31 spline axles. Also I could use the rear disc brakes. From what I've researched the total rear end is .75" wider than the fox 8.8. Will that fit?

Thanks,
John
 
9

96 DOHC Cobra

Founding Member
Oct 14, 2001
542
0
16
Cerritos, CA
Nov 4, 2007
#2
  • Nov 4, 2007
  • #2
It'll require a lot of modification to bolt it. It's not 31 spline (at least not from factory). You can use it, but it'll affect your wheel selection. The Fox width is a better fit, but they don't have discs. You can add discs with custom aftermarket brackets that allow you to keep the stock width.
 

Decurion

Member
Sep 28, 2006
353
0
16
Livonia, MI
Nov 4, 2007
#3
  • Nov 4, 2007
  • #3
3/4" on overall width is pretty minimal. Unless your wheels are already really close, that wont make any difference. I think you already know youll have to cut and weld brackets to make the diff fit since the donor has coil springs and the classic has leaf. I couldnt tell ya if it has 31 spline or not.
 

JLstang351

Founding Member
Jun 26, 2001
528
0
0
atl,ga
Nov 4, 2007
#4
  • Nov 4, 2007
  • #4
I know new spring perches,but not sure what else. I have a complete 90 5.0 LX I plan on swapping everything into my 67 this winter!
 

65fastback2+2

New Member
Aug 4, 2003
1,229
0
0
Louisville, KY
Nov 4, 2007
#5
  • Nov 4, 2007
  • #5
Decurion said:
3/4" on overall width is pretty minimal. Unless your wheels are already really close, that wont make any difference. I think you already know youll have to cut and weld brackets to make the diff fit since the donor has coil springs and the classic has leaf. I couldnt tell ya if it has 31 spline or not.
Click to expand...

SN95 is 28 spline, S197 is 31 spline
 

brianj5600

Active Member
Sep 19, 2003
1,964
2
39
Middle TN
Nov 4, 2007
#6
  • Nov 4, 2007
  • #6
It is .75" per side. It works good with late model wheels.
 

jpolakow

New Member
Nov 23, 2006
8
0
0
Nov 4, 2007
#7
  • Nov 4, 2007
  • #7
I am fully aware of the need to weld on new spring perches. Regardless of the axle spline count, what I care about most is if it will fit. I take back what I previously said about the .75" width. The axles are .75" longer PER SIDE for a total extra width of 1.5" The wheels that I will use are the 98 cobra's. If it won't fit, how much will it cost to get the housing shortened?
 
5

5.0ina66

Member
Jun 6, 2003
664
0
16
Ohio
Nov 5, 2007
#8
  • Nov 5, 2007
  • #8
jpolakow said:
I am fully aware of the need to weld on new spring perches. Regardless of the axle spline count, what I care about most is if it will fit. I take back what I previously said about the .75" width. The axles are .75" longer PER SIDE for a total extra width of 1.5" The wheels that I will use are the 98 cobra's. If it won't fit, how much will it cost to get the housing shortened?
Click to expand...

You won't need to shorten the housing with latemodel wheels, the extra length eliminates the need for wheel spacers.
 
R

Red5oh

Member
Jul 8, 2005
377
0
17
DFW, Texas
Nov 5, 2007
#9
  • Nov 5, 2007
  • #9
I have a 90 8.8 in mine... did it for cost reasons, nothing else. I have a writeup on it on my cardomain site, but it was easy and I have 05 V6 wheels on it and it looks great! I also have 1.25" spacers to make everything fit great.
 

JLstang351

Founding Member
Jun 26, 2001
528
0
0
atl,ga
Nov 5, 2007
#10
  • Nov 5, 2007
  • #10
Red5oh said:
I have a 90 8.8 in mine... did it for cost reasons, nothing else. I have a writeup on it on my cardomain site, but it was easy and I have 05 V6 wheels on it and it looks great! I also have 1.25" spacers to make everything fit great.
Click to expand...

Is it just my computer or is none of the pics on the link working?
 
R

Red5oh

Member
Jul 8, 2005
377
0
17
DFW, Texas
Nov 5, 2007
#11
  • Nov 5, 2007
  • #11
I just checked and they worked for me... I havent heard anything and I occasionally post links to the site. Try again and see what happens. Thanks.
 

JLstang351

Founding Member
Jun 26, 2001
528
0
0
atl,ga
Nov 5, 2007
#12
  • Nov 5, 2007
  • #12
Might just be my comp. at work! thanks man
 
S

Steel123

Banned
Nov 6, 2007
16
0
0
Nov 6, 2007
#13
  • Nov 6, 2007
  • #13
I know new spring perches,but not sure what else. I have a complete 90 5.0 LX I plan on swapping everything into my 67 this winter!
 

CochinoFilipino

Founding Member
Jan 14, 2002
171
2
19
CA
Nov 6, 2007
#14
  • Nov 6, 2007
  • #14
I thought the old foxes were 4-lug (except the Cobra). Probably doesn't matter if you're also planning a disc conversion. But it is something to consider.
 

JLstang351

Founding Member
Jun 26, 2001
528
0
0
atl,ga
Nov 6, 2007
#15
  • Nov 6, 2007
  • #15
They are 4 lug. easiest and cheapest way to convert to 5 lug is to use 2 drivers side ranger axles or 2 passenger side aerostar axles.
 
9

96 DOHC Cobra

Founding Member
Oct 14, 2001
542
0
16
Cerritos, CA
Nov 6, 2007
#16
  • Nov 6, 2007
  • #16
You don't need to shorten it. If you use the Fox rearend with the correct Ranger axles and aftermarket caliper mounting brackets from North Racecars, you'll have the stock width on the rear and be able to mount your disc brakes. You also won't need any spacers on the front. With the stock SN95 width, you'd have to use 05-up wheels on the back and spacers or different wheels on the front.
 

brianj5600

Active Member
Sep 19, 2003
1,964
2
39
Middle TN
Nov 6, 2007
#17
  • Nov 6, 2007
  • #17
96 DOHC Cobra said:
With the stock SN95 width, you'd have to use 05-up wheels on the back and spacers or different wheels on the front.
Click to expand...

I have a 95 8.8 in mine. My MachI wheels have 5.72" back spacing and are a little too far under the car to me. 05 up wheels would definately look odd w/o spacers.
 
J

Jeffjackson

New Member
Oct 26, 2022
1
0
1
St Charles mo
Oct 26, 2022
#18
  • Oct 26, 2022
  • #18
Red5oh said:
I have a 90 8.8 in mine... did it for cost reasons, nothing else. I have a writeup on it on my cardomain site, but it was easy and I have 05 V6 wheels on it and it looks great! I also have 1.25" spacers to make everything fit great.
Click to expand...
What the car domain site are you referring to. I ended up pick a donor sn95 up for cheap for my 67
 

wicked93gs

15 Year Member
Sep 30, 2006
1,198
228
93
Nashville TN
Oct 30, 2022
#19
  • Oct 30, 2022
  • #19
The thread is 15 years old...I doubt you will find the site...pretty sure cardomain has shut down, now its just a facebook page. Its amazing a few forums liek this still exist...pretty much everything has gone to misc facebook groups and information is so much harder to find now since most of those groups are private and there is no way to search old posts.
 
You must log in or register to reply here.

Similar threads

8
87 lx 4cyl to v8 project 4 lug disc conversion questions
  • 87lx428
  • Mar 24, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
2
Views
513
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Mar 25, 2026
87lx428
8
Which SN95 axles for 93 LX, disc brakes, ABS rings?
  • dan50
  • Mar 22, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
15
Views
463
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Apr 3, 2026
7-UP BILL
C
Help identifying 8.8
  • Caden_H
  • Jun 25, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
10
Views
675
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Nov 12, 2025
limp
Rear ends? And I don't mean the pretty kind.
  • WORTH
  • Jun 27, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
16
Views
954
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Aug 14, 2025
limp
Rear Disc and Rims Offsets
  • TripleYellow
  • Nov 11, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
19
Views
1K
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Jan 9, 2026
TripleYellow
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?