8.8" Mustang Rear

AtlanticBlue99 · January 24th, 2006, 04:47 PM

I have a 1999 v6 with the 7.5" rear in it. I was planning on waiting about a year or so to put gears and an 8.8" in it, but i have the money now and i might as well go ahead and get the rear and get gears for it later.

I was searching ebay and I came across this 8.8" rear from a 79-93 fox body with t-lok and 3.08 gears. Will this rear bolt up to my driveshaft and rear suspension? If necessary, what modifications are required to make this part work? Is $250 too much money to pay for a complete yet used 8.8" rear end?

http://cgi.ebay.com/ebaymotors/79-93...31414384QQrdZ1

also, this rear is probably a 4 lug and drum brakes right? i want a 5 lug with disk brake rear. so what year mustang rears do i need to look at?

Roadhawg · January 24th, 2006, 06:29 PM

The easiest swap for you would be an 8.8 from a 99-04 Mustang GT.

The 99-04 Mustangs use Larger diameter bolts for the controls arms.
The 99-04 Mustang differential is narrower than the 86-98 differential.

AtlanticBlue99 · January 25th, 2006, 07:02 AM

ok thanks. i will start checking local salvage yards for one then. i didnt know if there were any major differences in the years, so i will see if i can find a 99-04 8.8" rear

Twist 2 Go · January 25th, 2006, 08:00 AM

there are actually 3 different sizes of housings. The fox body is the shortest, followed by the SN-95, and then the 99-04 new edge bodies. The ones for the 99+ should be easy to find

99mustang232 · January 25th, 2006, 08:35 AM

the other years can be used if need be, but with the differential changes the wheels will be a little sunk-in looking, but I have seen people correct this with spacers or wheel offsets.

Roadhawg · January 25th, 2006, 11:00 AM

Originally Posted by Twist 2 Go

there are actually 3 different sizes of housings. The fox body is the shortest, followed by the SN-95, and then the 99-04 new edge bodies. The ones for the 99+ should be easy to find

Actually the fox and SN95 8.8 are the same flang to flang (54 inches).
The differance between the fox and the SN95 are the backing plates for the brakes and the axles lengths.

I just swapped a 1986 8.8 from a Mustang Gt into my 1995 V6 Mustang.
All I had to do was use the axles, backing plates, and brakes from the 7.5 rearend.

AtlanticBlue99 · January 25th, 2006, 03:15 PM

thanks for the info. so if i find an 8.8" from a 99-04 gt for cheap, i can use its brakes, axles, everything and it will bolt right up to my driveshaft and line up perfectly? i thought the brakes were the same from the gt and v6 minus the cobra?

Roadhawg · January 25th, 2006, 03:56 PM

Yes, the brakes and axles are the same for the GT and V6.

Roadhawg · January 25th, 2006, 04:03 PM

Yes, the 99 - 04 brakes and axles are the same for the GT and V6.

vfast · January 27th, 2006, 04:14 PM

the 7.5 is stronger enough as gt's came with them and there wasn't a ton of failures.....now if your going to boost it then yes

87vert · January 27th, 2006, 04:16 PM

what gt's? oh you mean the ones that could barely make 160hp?.......

AtlanticBlue99 · January 27th, 2006, 04:22 PM

the early 5.0's came with the 7.5" and they did break easily. i am throwing in 4.10s and a supercharger down the road so the 8.8" is what i am investing in

1slo5.0 · January 27th, 2006, 06:49 PM

I beat up a 7.5 rear end for many years in my 85 Mustang without problems. That was with a 271 horsepower 289. I wouldn't use a 7.5 behind anything with more than 300 horsepower with slicks or 350 horsepower with a street tire.

99mustang232 · January 27th, 2006, 06:55 PM

slicks will do it in for sure

87vert · January 27th, 2006, 07:01 PM

Originally Posted by 99mustang232

slicks will do it in for sure

not if you launch off idle lol.

1slo5.0 · January 27th, 2006, 07:10 PM

Originally Posted by 87vert

Originally Posted by 99mustang232

slicks will do it in for sure

not if you launch off idle lol.

Yes, even if you launch off idle. If you launch a car off idle on radials it will still blow the tires off. If you launch a car on off idle on slicks it will hook.

99mustang232 · January 27th, 2006, 07:28 PM

don't know how many times i have read about 6'ers trashing their 7.5's at the spider gears

87vert · January 27th, 2006, 07:58 PM

Originally Posted by Darrell

Originally Posted by 87vert

Originally Posted by 99mustang232

slicks will do it in for sure

not if you launch off idle lol.

Yes, even if you launch off idle. If you launch a car off idle on radials it will still blow the tires off. If you launch a car on off idle on slicks it will hook.

i meant slowly rolling into it. either way 7.5" is crap

Twist 2 Go · January 27th, 2006, 08:27 PM

a properly prepped 7.5 is good until about 400hp if slicks aren't used. A rear support cover is available for these and are really a good upgrade for a 7.5

87vert · January 27th, 2006, 08:35 PM

but who's satisfied with 400hp?

January 24th, 2006, 04:47 PM	#1
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,854 Blog Entries: 1 iTrader: 0 reviews	8.8" Mustang Rear I have a 1999 v6 with the 7.5" rear in it. I was planning on waiting about a year or so to put gears and an 8.8" in it, but i have the money now and i might as well go ahead and get the rear and get gears for it later. I was searching ebay and I came across this 8.8" rear from a 79-93 fox body with t-lok and 3.08 gears. Will this rear bolt up to my driveshaft and rear suspension? If necessary, what modifications are required to make this part work? Is $250 too much money to pay for a complete yet used 8.8" rear end? http://cgi.ebay.com/ebaymotors/79-93...31414384QQrdZ1 also, this rear is probably a 4 lug and drum brakes right? i want a 5 lug with disk brake rear. so what year mustang rears do i need to look at? __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

January 24th, 2006, 06:29 PM	#2
Roadhawg Regular Join Date: Dec 2005 Location: Chesapeake, VA Posts: 431 iTrader: 0 reviews	The easiest swap for you would be an 8.8 from a 99-04 Mustang GT. The 99-04 Mustangs use Larger diameter bolts for the controls arms. The 99-04 Mustang differential is narrower than the 86-98 differential. __________________ 2003 Mustang Mach1 1995 Thunderbird LX 4.6L; 1995 Mustang 4.2L; Eaton MPX Supercharger, 11.61 @ 118mph

January 25th, 2006, 07:02 AM	#3
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,854 Blog Entries: 1 iTrader: 0 reviews	ok thanks. i will start checking local salvage yards for one then. i didnt know if there were any major differences in the years, so i will see if i can find a 99-04 8.8" rear __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

January 25th, 2006, 08:00 AM	#4
Twist 2 Go Hardcore Enthusiast Join Date: Aug 2005 Location: Chesapeake, Virginia Posts: 1,716 iTrader: 0 reviews	there are actually 3 different sizes of housings. The fox body is the shortest, followed by the SN-95, and then the 99-04 new edge bodies. The ones for the 99+ should be easy to find __________________ 88 Mustang Coupe 2006 FFW Richmond True Street Runner-Up www.rickscarcare.net

January 25th, 2006, 03:15 PM	#7
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,854 Blog Entries: 1 iTrader: 0 reviews	thanks for the info. so if i find an 8.8" from a 99-04 gt for cheap, i can use its brakes, axles, everything and it will bolt right up to my driveshaft and line up perfectly? i thought the brakes were the same from the gt and v6 minus the cobra? __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

January 25th, 2006, 08:35 AM	#5
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,745 iTrader: 0 reviews	the other years can be used if need be, but with the differential changes the wheels will be a little sunk-in looking, but I have seen people correct this with spacers or wheel offsets.

January 25th, 2006, 03:56 PM	#8
Roadhawg Regular Join Date: Dec 2005 Location: Chesapeake, VA Posts: 431 iTrader: 0 reviews	Yes, the brakes and axles are the same for the GT and V6. __________________ 2003 Mustang Mach1 1995 Thunderbird LX 4.6L; 1995 Mustang 4.2L; Eaton MPX Supercharger, 11.61 @ 118mph

January 25th, 2006, 04:03 PM	#9
Roadhawg Regular Join Date: Dec 2005 Location: Chesapeake, VA Posts: 431 iTrader: 0 reviews	Yes, the 99 - 04 brakes and axles are the same for the GT and V6. __________________ 2003 Mustang Mach1 1995 Thunderbird LX 4.6L; 1995 Mustang 4.2L; Eaton MPX Supercharger, 11.61 @ 118mph

January 27th, 2006, 04:14 PM	#10
vfast Banned Join Date: Aug 2005 Location: shimmy shack takeout Posts: 1,084 iTrader: 0 reviews	the 7.5 is stronger enough as gt's came with them and there wasn't a ton of failures.....now if your going to boost it then yes

January 27th, 2006, 04:16 PM	#11
87vert Regular Join Date: Nov 2005 Posts: 248 iTrader: 0 reviews	what gt's? oh you mean the ones that could barely make 160hp?....... __________________ '96 Exploder XLT 5.0 AWD "turbos coming soon"

January 27th, 2006, 04:22 PM	#12
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,854 Blog Entries: 1 iTrader: 0 reviews	the early 5.0's came with the 7.5" and they did break easily. i am throwing in 4.10s and a supercharger down the road so the 8.8" is what i am investing in __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

January 27th, 2006, 06:49 PM	#13
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	I beat up a 7.5 rear end for many years in my 85 Mustang without problems. That was with a 271 horsepower 289. I wouldn't use a 7.5 behind anything with more than 300 horsepower with slicks or 350 horsepower with a street tire. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

January 27th, 2006, 06:55 PM	#14
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,745 iTrader: 0 reviews	slicks will do it in for sure

January 27th, 2006, 07:28 PM	#17
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,745 iTrader: 0 reviews	don't know how many times i have read about 6'ers trashing their 7.5's at the spider gears

January 27th, 2006, 08:27 PM	#19
Twist 2 Go Hardcore Enthusiast Join Date: Aug 2005 Location: Chesapeake, Virginia Posts: 1,716 iTrader: 0 reviews	a properly prepped 7.5 is good until about 400hp if slicks aren't used. A rear support cover is available for these and are really a good upgrade for a 7.5 __________________ 88 Mustang Coupe 2006 FFW Richmond True Street Runner-Up www.rickscarcare.net

January 27th, 2006, 08:35 PM	#20
87vert Regular Join Date: Nov 2005 Posts: 248 iTrader: 0 reviews	but who's satisfied with 400hp? __________________ '96 Exploder XLT 5.0 AWD "turbos coming soon"

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