thunderbird axle in a fox?

built351w · October 14th, 2007, 03:56 PM

Ok I've heard this now from two people but you guys are the experts so I want to ask you......

Is it true that a 1985-1989 thunderbird axle (8.8in) is slightly narrower than a stock 5.0's and has disc brakes stock? And if so, can one just bolt right into a fox? Also are they 4 or 5 lug?

If this the case, then this is the axle I want to get for my car!!! I need to run wide tires and disc brakes in the rear sounds awesome!!! Do I have the correct years for this thunderbird axle (85-89)?? And is there any specific model thunderbird that came with these or did all of them?

Thanks in advance guys!!! This forum kicks ass!

-Devin

baine21225 · October 14th, 2007, 04:45 PM

i was wondering the same thing

vfast · October 14th, 2007, 08:18 PM

it will bolt in but the axles are about .75" longer(wider) you could use a wheel with a 1" more back space to maintain about the same rear foot print..also you would have to change you mater cyl. from a svo or a 95 gt

built351w · October 14th, 2007, 09:45 PM

oh damn it's actually wider??? Well then that defies the whole point of doing it I guess.......

Speedstang302 · October 14th, 2007, 10:16 PM

Originally Posted by built351w

oh damn it's actually wider??? Well then that defies the whole point of doing it I guess.......

for sure

93fourbangerstanger · October 14th, 2007, 10:21 PM

i think it looks better wide

BWAL · October 14th, 2007, 10:30 PM

Originally Posted by 93fourbangerstanger

i think it looks better wide

why? you can only use little skinny tires then.. the shorter the axle, the bigger the tires you can fit

Speedstang302 · October 14th, 2007, 10:53 PM

Originally Posted by 93fourbangerstanger

i think it looks better wide

THE MULLET WEARING AWARD WINNING STATEMENT OF THE YEAR :award :award

tires that stick 2ft out the side are made for Mullet Wearing Rednecks on their CAMARO's

TurboLX · October 15th, 2007, 01:10 AM

Yes there wider but not by much, from what ive heard, its the same rear as the SN95's

there 4 lug disc brakes

and there 3.45's, atleast mine was stock before we did 3.73's

built351w · October 15th, 2007, 06:27 AM

well can anybody tell me an 8.8in axle that is shorter than the fox's????

JBIGBOOTSY · October 15th, 2007, 07:24 AM

1.5 inches longer=.75inches on each side. 5sp turbo coups had 3.55s and auto had 3.73s. Its a really cheap rear end for good performance. just ad 3/4" to the back spacing.

Newtgadget · October 15th, 2007, 09:07 AM

I can attest to the width difference.
We have a Turbo coupe rear in our 88' GT.

Width is 1.5 longer and ours is 3.73 disc brakes that come from an automatic turbo coupe.

vfast · October 15th, 2007, 04:12 PM

didn't I already state that it was .75" each side?*LOL*

vfast · October 15th, 2007, 04:14 PM

you are clueless

[quote="BWAL09"]

Originally Posted by 93fourbangerstanger

i think it looks better wide

why? you can only use little skinny tires then.. the shorter the axle, the bigger the tires you can fit[/quote]

fastford3388 · October 15th, 2007, 08:01 PM

I thought that the thunderbird turbo has the 8.8 but I thought it was IRS?

rodthrower2.3T · October 15th, 2007, 08:45 PM

83-88 turbocoupes are based off of the fox platform, ie solid axle

89+ tibirds were based off of the MN-12 platform and the special was the Super Coupe with a s/c V6 with the IRS

totally different cars

October 14th, 2007, 03:56 PM	#1
built351w Regular 1979 mustang 5.0 hopefully 11's when complete Join Date: Jul 2007 Location: New Hampshire Posts: 201 iTrader: 0 reviews	thunderbird axle in a fox? Ok I've heard this now from two people but you guys are the experts so I want to ask you...... Is it true that a 1985-1989 thunderbird axle (8.8in) is slightly narrower than a stock 5.0's and has disc brakes stock? And if so, can one just bolt right into a fox? Also are they 4 or 5 lug? If this the case, then this is the axle I want to get for my car!!! I need to run wide tires and disc brakes in the rear sounds awesome!!! Do I have the correct years for this thunderbird axle (85-89)?? And is there any specific model thunderbird that came with these or did all of them? Thanks in advance guys!!! This forum kicks ass! -Devin

October 14th, 2007, 04:45 PM	#2
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	i was wondering the same thing __________________ "That's how Dad did it, that's how America does it... and it's worked out pretty well so far..."

October 14th, 2007, 08:18 PM	#3
vfast Banned Join Date: Aug 2005 Location: shimmy shack takeout Posts: 1,084 iTrader: 0 reviews	it will bolt in but the axles are about .75" longer(wider) you could use a wheel with a 1" more back space to maintain about the same rear foot print..also you would have to change you mater cyl. from a svo or a 95 gt __________________ EVERYONE IS ENTITLED TO MY OPINION:cool: 6'ers are for kids 1965 chevelle SS 421 sbc 6 speed, 3.90 gears,alum d-shaft, brodix heads,roller cam,925 AED carb...grocery getter[COLOR="Red"]RIP[/COLOR]

October 14th, 2007, 09:45 PM	#4
built351w Regular 1979 mustang 5.0 hopefully 11's when complete Join Date: Jul 2007 Location: New Hampshire Posts: 201 iTrader: 0 reviews	oh damn it's actually wider??? Well then that defies the whole point of doing it I guess....... __________________ 1979 hatchback: -351w w/ 10.5:1 -Tremec TKO

October 14th, 2007, 10:21 PM	#6
93fourbangerstanger Regular Join Date: Mar 2007 Posts: 379 iTrader: 0 reviews	i think it looks better wide __________________ 93 fourbanger /intake,exhaust,erg delete,8 inch sub...for now fukin gas prices!

October 15th, 2007, 01:10 AM	#9
TurboLX I Post Entirely Way Too Much 1988 Mustang LX Turbo Join Date: Oct 2006 Location: NY Posts: 8,778 Blog Entries: 1 iTrader: 0 reviews	Yes there wider but not by much, from what ive heard, its the same rear as the SN95's there 4 lug disc brakes and there 3.45's, atleast mine was stock before we did 3.73's __________________ 1988 LX Coupe 2.5L, GT35R, 44mm WG, 32psi, C16.

October 15th, 2007, 06:27 AM	#10
built351w Regular 1979 mustang 5.0 hopefully 11's when complete Join Date: Jul 2007 Location: New Hampshire Posts: 201 iTrader: 0 reviews	well can anybody tell me an 8.8in axle that is shorter than the fox's???? __________________ 1979 hatchback: -351w w/ 10.5:1 -Tremec TKO

October 15th, 2007, 07:24 AM	#11
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	1.5 inches longer=.75inches on each side. 5sp turbo coups had 3.55s and auto had 3.73s. Its a really cheap rear end for good performance. just ad 3/4" to the back spacing. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

October 15th, 2007, 09:07 AM	#12
Newtgadget Regular Join Date: Oct 2007 Posts: 112 iTrader: 0 reviews	I can attest to the width difference. We have a Turbo coupe rear in our 88' GT. Width is 1.5 longer and ours is 3.73 disc brakes that come from an automatic turbo coupe.

October 15th, 2007, 04:12 PM	#13
vfast Banned Join Date: Aug 2005 Location: shimmy shack takeout Posts: 1,084 iTrader: 0 reviews	didn't I already state that it was .75" each side?LOL __________________ EVERYONE IS ENTITLED TO MY OPINION:cool: 6'ers are for kids 1965 chevelle SS 421 sbc 6 speed, 3.90 gears,alum d-shaft, brodix heads,roller cam,925 AED carb...grocery getter[COLOR="Red"]RIP[/COLOR]

October 15th, 2007, 08:01 PM	#15
fastford3388 Regular 1991 Mustang GT Join Date: Feb 2007 Location: Lisle, IL Posts: 367 iTrader: 0 reviews	I thought that the thunderbird turbo has the 8.8 but I thought it was IRS? __________________ - '90 Mustang LX-Sold "Debbie" - '89 Mustang GT- Deceased "Lucy" - '91 Mustang GT-70,000 mi "The Unicorn"

October 15th, 2007, 08:45 PM	#16
rodthrower2.3T Regular 88 TurboChicken 8.40/83.4 Join Date: Sep 2007 Location: hobart, IN~W.Lafayette@Purdue Posts: 148 iTrader: 0 reviews	83-88 turbocoupes are based off of the fox platform, ie solid axle 89+ tibirds were based off of the MN-12 platform and the special was the Super Coupe with a s/c V6 with the IRS totally different cars

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