8.8 Rear Swap

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Ghostrider59

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Sep 21, 2014

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Berwick,Pa

May 2, 2015

#1

• May 2, 2015

• #1

Going to swap a 7.5 rear in my 88 hatchback to an 8.8. Here's my question,will i need to change the driveshaft or can I use the same one ?

 

CarMichael Angelo

my rearend will smell so minty fresh,

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May 2, 2015

#2

• May 2, 2015

• #2

Ghostrider59 said:

Going to swap a 7.5 rear in my 88 hatchback to an 8.8. Here's my question,will i need to change the driveshaft or can I use the same one ?

Click to expand...

You can use the same

 

G

Ghostrider59

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May 2, 2015

#3

• May 2, 2015

• #3

Thanks for your reply.

 

jrichker

StangNet's favorite TOOL

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May 2, 2015

#4

• May 2, 2015

• #4

Ghostrider59 said:

Going to swap a 7.5 rear in my 88 hatchback to an 8.8. Here's my question,will i need to change the driveshaft or can I use the same one ?

Click to expand...

Unless you have a car that was, or is a 4 cylinder engine Mustang, you already have an 8.8 rear end. The 87 and later 5.0 engine Mustangs came with an 8.8 Track-Loc rear axle as standard equipment.

 

Last edited: May 2, 2015

G

Ghostrider59

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May 3, 2015

#5

• May 3, 2015

• #5

Car was a 4 cyl.Now is a 351 Windsor.

 

G

Ghostrider59

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Sep 21, 2014

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Berwick,Pa

May 14, 2015

#6

• May 14, 2015

• #6

Are the rear drum brakes on an 8.8 rear the same as a 7.5 rear ? The reason I'm asking is I have a 7.5 with good brakes and an 8.8 I'm going to swap in that needs all the brake parts.
.

 

G

Ghostrider59

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Sep 21, 2014

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Berwick,Pa

May 14, 2015

#7

• May 14, 2015

• #7

Finally got the rear,3.73 gears and its a posi.Didnt come with drums or brakes,so I'll be looking for some soon.

 

CarMichael Angelo

my rearend will smell so minty fresh,

15 Year Member

Nov 29, 1999

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May 14, 2015

#8

• May 14, 2015

• #8

Ghostrider59 said:

Finally got the rear,3.73 gears and its a posi.Didnt come with drums or brakes,so I'll be looking for some soon.

Click to expand...

Ahem,....it's not a "posi".

Posi is a GM term for a locking differential.

People that own Fords have Traction Lock diffs. (T lock for short).

Just FYI.

 

CarMichael Angelo

my rearend will smell so minty fresh,

15 Year Member

Nov 29, 1999

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May 14, 2015

#9

• May 14, 2015

• #9

Yes, they are the same.

Know what else?,.....both of your threads are the same,.........Now.

 

G

Ghostrider59

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May 14, 2015

#10

• May 14, 2015

• #10

Thank you for the correction, it's my first Mustang.

 

G

Ghostrider59

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May 14, 2015

#11

• May 14, 2015

• #11

Couldn't find my original post,thats why I started a new one. My bad.

 

Mustang5L5

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May 15, 2015

#12

• May 15, 2015

• #12

Brakes, and axle shafts are the same between the 7.5" and 8.8

 

G

Ghostrider59

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May 15, 2015

#13

• May 15, 2015

• #13

Thanks, I'll swap everything from the 7.5 to the 8.8.

 

chrisconsin

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Washington

May 16, 2015

#14

• May 16, 2015

• #14

I am also getting ready to do this swap on a '84 that I recently picked up.
Let me know how it goes.
From what I've read this is also the best time to upgrade your control arms and replace the spring isolators.

 

G

Ghostrider59

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Sep 21, 2014

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May 16, 2015

#15

• May 16, 2015

• #15

That's what I plan on too.May as well while it's out.I'll keep you posted on how it goes.