Will an 84/85 8.8 Rear end work on my 88 GT Vert?

_jb_

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#1

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Well, the title says it all. I can get a 8.8 3.73 rear end from either a 84 or 85 5.0 Mustang. I'm wondering if it will work on my 88GT Vert, but I'm guessing it will since it's an 8.8 like in my car. The 3.73 rear end also comes with traction bars, so will those work as well?

 

91lxvert

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#2

• Jun 29, 2004

• #2

unless the rearend was swapped into the 84/85 its not an 8.8, 8.8 rears started in 86.

85 and down have a 7.5 rear

 

D

D347643

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#3

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yep, tru dat

 

Y

yelbigbirdlow

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#4

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i know the 87-88 rear end will fit, it comes with 3.55s in the auto and 3.73s in the manual plus it has disk brakes on it. Good cheap upgrade!

 

_jb_

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Ah cool. Thanks!

 

91lxvert

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yelbigbirdlow said:

i know the 87-88 rear end will fit, it comes with 3.55s in the auto and 3.73s in the manual plus it has disk brakes on it. Good cheap upgrade!

Click to expand...

he means a turbocoupe rearend from an 87/88, the mustang didnt have rear disc except for the svo and the cobra

 

cenok is family

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Jun 30, 2004

#7

• Jun 30, 2004

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Yeah, like everyone else said...pre 86 didnt have 8.8's...they had 7.5's and that feller is referring to 87/88 thunderbird turbo coupes. manuals had 3.55's and auto's had 3.73's. both had disc brakes. rearend out of the tbirds are about an inch wider to accomidate the wider bodys of the tbirds but it doesnt really matter...they'll still work.

 

_jb_

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Yeah, I figured that is what yelbigbirdlow was talking about was the T-Birds. Did any of the pre 86 come with 3.73s from the factory? The ad say 8.8 373 rear end out of an 84 5.0 Mustang. So if he did put in an aftermarket rearend, would the installation be the same for my 88GT Vert?

 

_jb_

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#9

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I can get the rearend for $75, and it is an 8.8. Will it fit right in place where my stock one would be?

 

maverick0716

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_JB_ said:

I can get the rearend for $75, and it is an 8.8. Will it fit right in place where my stock one would be?

Click to expand...

Yes, if its originally from a mustang. If it isn't, then it won't have the brackets for the quad shocks.

 

_jb_

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#11

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Alright, kick ass. I might go and get it this weekend and maybe have it running sometime next week! But, usually my plans don't work out like they should lol.

Thanks everyone!

 

dastang2

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#12

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how do you know it is an 8.8. did you run the tags or compare the size of the differential cover.

 

_jb_

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The ad says, "8.8 3.73 Posi rear end out of a 84 Mustang 5.0."

 

Gearbanger 101

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#14

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As long as it looks like this...8.8

and not like this...7.5

you're golden
(pics courtesy of Maverick0716)

 

maverick0716

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haha, thanks for the credit but I don't deserve it.

I actually got them off of www.flemworld.com great site!

 

_jb_

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So the part that sticks out of the cover will be about 8.8 inches, right?

 

maverick0716

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You can't go by measuring that way. Just look at the difference in the covers.

 

_jb_

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#18

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Alright cool guys. I have ordered the 21 gear for the speedometer and now hopefully I can get ahold of the guy and go and get it. The only bad part is that it's about 3 and a half hours away.

 

dastang2

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#19

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a lot of people misadvertize i would double check. take your differential cover off of yours and compare it to his

 

Gearbanger 101

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#20

• Jul 2, 2004

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....or, just print out a copy of the pictures I posted above and compare them to his?