390 axle for 94GT mustang

C

Cangri

New Member

Sep 18, 2006

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Oct 4, 2006

#1

• Oct 4, 2006

• #1

recently a mechanic friend asked me if I was interested in a 390 axle that he had he said that it was a good performance part for my stang my car is stock at this moment. Idont even know what kind of axle my stang has is a 94 GT 5.0 thats all I know do you think it could be a good idea to replace this part.
it wont cost me a dime it is being given to me by this friend.

Thanks

 

JJ95GTID

Active Member

Sep 22, 2003

1,141

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49

Phoenix, AZ

Oct 4, 2006

#2

• Oct 4, 2006

• #2

If it is a Ford 8.8" rear end from a 94-98 or 99-04 Mustang with 3.90:1 gears then get it and put it in your car. For that price it is definately worth it.

The difference in the later Mustang rearends is that they are 1.5" wider than the 94-98 rearends. This is not a problem. You can use it in our cars.

 

reddy351

10 Year Member

Jun 13, 2006

560

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38

Columbus, Ohio

Oct 4, 2006

#3

• Oct 4, 2006

• #3

Is the whole axle assembly? If it is, just pull the ring and pinion and maybe even the traction loc unit out and put it in your rear end. The 3.90 gear would be a good one, for even a stock Mustang.

 

Pokageek

Active Member

Jun 10, 2005

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#4

• Oct 4, 2006

• #4

Ye. I have 3.90's and they rock. I still have a first gearand a little better rpm on the HWY than 4.10's. Just what I wanted.

 

super302

I'd do anything for free Bapples

May 29, 2004

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Oct 4, 2006

#5

• Oct 4, 2006

• #5

definitely go for it

 

P

porchstang

New Member

Sep 27, 2006

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bakersfield

Oct 4, 2006

#6

• Oct 4, 2006

• #6

are you talking about the rear end grear? if so then it will help on your acceleration but you gas milage will suffer a little bit.

 

final5-0

Mustang Master

Apr 6, 2003

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DFW Texas

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#7

• Oct 4, 2006

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If it is 3/4 of an inch wider on each side that would be great as the wheels sit too far in anyway.

Grady

 

Pokageek

Active Member

Jun 10, 2005

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#8

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Gas mileage doesn't suffer more than 2 or so miles per gallon at the worst. Many guys with 3.73's get improved gas mileage because the car runs more efficiently.

 

super302

I'd do anything for free Bapples

May 29, 2004

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Davenport, IA

Oct 4, 2006

#9

• Oct 4, 2006

• #9

final5-0 said:

If it is 3/4 of an inch wider on each side that would be great as the wheels sit too far in anyway.

Grady

Click to expand...

i thought it was 5/8 on each side

 

super302

I'd do anything for free Bapples

May 29, 2004

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Davenport, IA

Oct 4, 2006

#10

• Oct 4, 2006

• #10

Pokageek said:

Gas mileage doesn't suffer more than 2 or so miles per gallon at the worst. Many guys with 3.73's get improved gas mileage because the car runs more efficiently.

Click to expand...

i've gotten about 21 mpg in all my mustangs...from 2.73, 3.55, 3.73, 4.10, and 4.30's

its about how you drive that dictates what mpg's you'll be pulling

 

B

bimmertech

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May 3, 2005

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merriam, ks

Oct 4, 2006

#11

• Oct 4, 2006

• #11

final5-0 said:

If it is 3/4 of an inch wider on each side that would be great as the wheels sit too far in anyway.

Grady

Click to expand...

i am currently building up a 99-up diff. wider is better.

also switching to 96-up spindles for the same reason.

 

final5-0

Mustang Master

Apr 6, 2003

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Oct 5, 2006

#12

• Oct 5, 2006

• #12

super302 said:

i thought it was 5/8 on each side

Click to expand...

I honestly don't have a clue

I just saw the later rear ends were 1.5" wider and divided by 2

Grady