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  • 1965 - 1973 Classic Mustangs -General/Talk-

9" rear swap for 65 fastback

  • Thread starter Thread starter 221239ford
  • Start date Start date Sep 18, 2020
2

221239ford

Member
Mar 29, 2020
5
1
13
Waxhaw, NC
Sep 18, 2020
#1
  • Sep 18, 2020
  • #1
I read that a 9" housing from a 57 Ranchero will bolt right into a 65 Mustang. Just wanted to confirm. Ranchero has 2" rear shoes which should be an upgrade. Ranchero brakes do not have automatic adjusters. Can I retro fit the brake adjusters from my 8" to the Ranchero?
 

wicked93gs

15 Year Member
Sep 30, 2006
1,198
229
93
Nashville TN
Sep 18, 2020
#2
  • Sep 18, 2020
  • #2
Is that a big bearing or small bearing 9"? I think its a small bearing 9"...if that is the case, you can actually swap the rear discs off of a 90s Crown Victoria if you are looking for upgrades to braking. I can't actually speak from experience as to whether the '57 rear will fit...but people do say its a direct bolt in.
 
2

221239ford

Member
Mar 29, 2020
5
1
13
Waxhaw, NC
Sep 18, 2020
#3
  • Sep 18, 2020
  • #3
It is the big bearing housing.
 

wicked93gs

15 Year Member
Sep 30, 2006
1,198
229
93
Nashville TN
Sep 18, 2020
#4
  • Sep 18, 2020
  • #4
Pretty sure there is a rear disc swap for big bearing housings as well, cant remember the donor though...maybe Explorer?
 
2

221239ford

Member
Mar 29, 2020
5
1
13
Waxhaw, NC
Sep 19, 2020
#5
  • Sep 19, 2020
  • #5
Thanks for the information! I am going to use the 2" shoes and still wondering if I should retro-fit the self adjuster cables from my Mustang set up.
 

zookeeper

Founding Member
Aug 25, 2001
3,415
63
109
Rogue River, Oregon
Sep 19, 2020
#6
  • Sep 19, 2020
  • #6
I used a ‘57 wagon rear in my ‘65. Had to have the driveshaft redone due to larger u joints. Nice thing is it came with 3.89 gears.
 
2

221239ford

Member
Mar 29, 2020
5
1
13
Waxhaw, NC
Sep 21, 2020
#7
  • Sep 21, 2020
  • #7
Were you able to use your original master cylinder with the wagon set up?
 

zookeeper

Founding Member
Aug 25, 2001
3,415
63
109
Rogue River, Oregon
Sep 23, 2020
#8
  • Sep 23, 2020
  • #8
Yes, everything else stayed the same. I replaced the brake lines, rebuilt the '57 drum brakes and sent it. Worked fine.
 

zookeeper

Founding Member
Aug 25, 2001
3,415
63
109
Rogue River, Oregon
Sep 23, 2020
#9
  • Sep 23, 2020
  • #9
I even used the '65 parking brake cables on the older rear. The only thing I had to do to keep from being a true bolt-in was to get new U-bolts and re-drill my spring plates, otherwise it was the easiest thing I ever did to that car.
 
2

221239ford

Member
Mar 29, 2020
5
1
13
Waxhaw, NC
Sep 24, 2020
#10
  • Sep 24, 2020
  • #10
Zookeeper, thank you for this information. I have blasted and painted the rear end housing and plan to install 325 gears. Still trying to find American made axle bearings for the 9". Everything seems to be from China or Taiwan.
 
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