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Author
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Topic: Rear end for my 65 Fastback.
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Mike65
Gearhead Posts: 2291
From: Bloomfield, NY, USA. Western Finger Lakes, 65 Fastback, 69 Coupe MCA #-04549
Registered: Dec 2000
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posted 11-04-2002 10:16 AM
 
I am trying to decide about the rear end for my 65 Fastback, do I want to stay with a 8" Mustang rear with 3.25:1 or 3.50:1 gears, or go with the Lincoln Versilles rear. I have heard on another site using bigger backing plates & brake shoes & drums from another Ford product you can go to larger rear drum brakes. Would going to a 9" rear from a little newer Mustang cause tire rubbing problems on the quater panels?. Any help would be greatly appreciated.
Thanks, Mike.------------------
Mike & Robin
65 Mustang Fastback
69 Mustang Coupe
87 LTD CV
99 Explorer Sport
00 Ranger XLT Extd Cab
"900 HP of Detroit muscle!!!"
M&M #- 890
MCA #- 4549
www.mike65.mustangsandmore.ws
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Fastback68
Gearhead Posts: 4511
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 11-04-2002 10:57 AM
Well ... what's the Versailles rear end? I guess it's 9 inch. And the gear ratio? I don't know this from experience, only from what I've read. The 8" rear end is just fine for all street applications, and both 3.25 and 3.50 are healthy gear ratios.
As for the larger drum brakes, how fast do you want to stop? Again, the standard ones are fine for street work, and if you want an upgrade, have you already got front discs? And if you DO go for the larger rear drums, I'm told you'll need to use a larger master cylinder.
Last of all, the rubbing issue ... what width is the newer rear end you have an eye on? That's the key, not the size of the fat blob in the middle. But even with a wider rear end, you can get around potential rubbing problems with the right back spacing on your rims.
Sounds to me like you might wanna stay with your current rear end, unless you want to go compete with Alex 
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rockafellz
Gearhead Posts: 1459
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 11-04-2002 11:27 AM
Hey Mike,Stick with your 8" rear end unless you plan to push over 450HP. Too many people underrate the 8" rear end IMO. Ford isn't known for having weak rear ends in general. Keep a lookout for an 8" traction loc 3rd member. I just installed my 8" 3.55 trac-loc and this thing is strong enough for my application. When my dad did a burnout the car wants to go sideways and leaves a nice 2 trail "snake" skidmark !! When I drove it and shifted from 1st to 2nd @4500rpm, the car still wanted to go sideways!! I can't imagine what it'll do when shifting at 6000rpm. Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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mustangboy
Gearhead Posts: 1343
From: Ont, Canada
Registered: Mar 2002
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posted 11-04-2002 05:11 PM
I've heard the versailles rear ends aren't really worth the hassle unless you can get one really cheap,which is unlikely.They only came with very high gears like 2.70ish.they have a different yoke where the driveshaft attaches and there were some issues with the brakes themselves(sorry I can't remember just what off the top of my head).If you really need great brakes I would check into some aftermarket stuff.Probably just as cheap in the long run.
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Robert K
Gearhead Posts: 706
From: Nashville, TN
Registered: Apr 2000
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posted 11-05-2002 08:24 AM
The Versailles rear-end is a 9" 28 spline. I've got one under my 65 with no clearance problems at all. I did install a 3.50 traction lok in it to replace the 2.79.
Maybe I don't need the extra strength it provides over an 8" but I sleep better knowing it's there. If you've already got 3.25 or 3.50 gears in you 8", I wouldn't worry about swapping to a 9".------------------
67convertible 289/auto
65fastback 302/4sp [This message has been edited by Robert K (edited 11-05-2002).]
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ekbeanctr
Gearhead Posts: 772
From: Middlebury, IN USA
Registered: Dec 2000
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posted 11-05-2002 09:05 PM
I also have the Versaille in my 65 Fastback with 3.50's and traction lock. I put 17" x 9" cragars with P255's on it and it looks great and everything clears. It was a real easy installation.------------------
Have a Wonderful Day
CandyApple 65 Fastback
351W, 4 Speed
Versaille 9" Rear End
Global West Front End
[email protected]
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Fastymz
Moderator Posts: 22791
From: Reno Nv M&M #1240
Registered: Apr 2001
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posted 11-06-2002 12:31 AM
Mike I still have the 8" in mine.It seens to be holding up ok so far.If I do a real motor I'll look for a 9" then.  SCOOP ------------------
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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RADRIDE
Gearhead Posts: 305
From: Va.Beach, Va.
Registered: Aug 2002
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posted 11-06-2002 09:08 AM
I have the granada 9 in my 65 the only bad Ive heard is the calibers are not floating.I also had problems lowering car.Seems 1 side sat closer to fender than other.I had special blocks built to move rear 1/4 inch and it works fine.One nice surprise was a traction lock was in rear stock.Since I run a locker with 4:11 I sold the unit and recoverd all money involved with swap.I wiped out 3 sets of clutchs in 8 inch in a year.
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rockafellz
Gearhead Posts: 1459
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 11-06-2002 11:04 AM
quote:
Originally posted by RADRIDE:
I have the granada 9 in my 65 the only bad Ive heard is the calibers are not floating.I also had problems lowering car.Seems 1 side sat closer to fender than other.I had special blocks built to move rear 1/4 inch and it works fine.One nice surprise was a traction lock was in rear stock.Since I run a locker with 4:11 I sold the unit and recoverd all money involved with swap.I wiped out 3 sets of clutchs in 8 inch in a year.
Wow!! 3 Sets in a year?  Were you drag racing or autocrossing? That's pretty fast!! Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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RADRIDE
Gearhead Posts: 305
From: Va.Beach, Va.
Registered: Aug 2002
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posted 11-06-2002 01:59 PM
Mainly auto-x,but it has seen the strip.The first set went quick due to the guy at Peroigis(sp) put the bellspring upside down.The guy I sold it to 2 yrs ago is still driving it regulary with no problems.Of course it doesnt have my cars power and is driven much easier than mine has ever seen.
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rockafellz
Gearhead Posts: 1459
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 11-06-2002 04:03 PM
What a bellspring? I don't recall installing that? I only recall the 4 trac-loc springs but those will go in either way.Erik ------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress 1966 Ford Mustang Coupe
Dad's - Original Unrestored
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RADRIDE
Gearhead Posts: 305
From: Va.Beach, Va.
Registered: Aug 2002
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posted 11-06-2002 04:58 PM
I might be mistaken on name ,but its a big washer thats bowed and puts pressure on clutches to engage.
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Mike65
Gearhead Posts: 2291
From: Bloomfield, NY, USA. Western Finger Lakes, 65 Fastback, 69 Coupe MCA #-04549
Registered: Dec 2000
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posted 11-08-2002 08:19 PM
RADRIDE, I think it is called a thrust washer.------------------
Mike & Robin
65 Mustang Fastback
69 Mustang Coupe
87 LTD CV
99 Explorer Sport
00 Ranger XLT Extd Cab
"900 HP of Detroit muscle!!!"
M&M #- 890
MCA #- 4549
www.mike65.mustangsandmore.ws
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