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Old 08/27/08, 11:29 AM   #1
mountaincat68
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8 lug Ford 9 inch?

Hey everyone,

I am currently in the planing stages of my 66 bronco build and I have a question. My buddy has a HP D44 out of a 79 F-250 that he is going to give me, so I plan on narrowing that and putting it under the bronco, I would like to keep the heavy duty disk brakes from the F-250 but I don't want to run two different sets of wheels. So my question is, is there any way to make my 9 in rear a 8 lug pattern? I am not afraid of some custom work to the axle I will already have to put the big bearing ends on.
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Old 08/27/08, 11:30 AM   #2
Clint
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Quote:
Originally Posted by mountaincat68 View Post
Hey everyone,

I am currently in the planing stages of my 66 bronco build and I have a question. My buddy has a HP D44 out of a 79 F-250 that he is going to give me, so I plan on narrowing that and putting it under the bronco, I would like to keep the heavy duty disk brakes from the F-250 but I don't want to run two different sets of wheels. So my question is, is there any way to make my 9 in rear a 8 lug pattern? I am not afraid of some custom work to the axle I will already have to put the big bearing ends on.

I was not able to find a way when I did the 60 in mine. I talked with Currie and Dutchman and both said no.

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Old 08/27/08, 01:59 PM   #3
Broncobowsher
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I don't see why you couldn't do it like a 609 hybrid. Get some spindels and brakes from a full floater then get the custom axles to span the gap.

Semi floating 8 lug would be harder. I see no reason they could not do an 8 lug axle, but getting brakes could be chalanging. Probably the best bet if you could pull that off would be 8 lug rotors and then rig your own caliper bracket, and loose the park brake at the same time most likely.

"She's built like a steakhouse but she handles like a bistro"-Zapp Brannigan
“How hard can it be?”-Clarksonius 4th century BC.
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Old 08/27/08, 02:37 PM   #4
Bronco73
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Ford made a an 8 lug 8.8 axle and it was not a FF axle! I have seen them with my own eyes. Came in the light duty F250 4x4 trucks and may have been in some 4x2 trucks. I've only seen them in the 4x4 trucks. Mid 80's or some where around there.
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Old 08/27/08, 02:45 PM   #5
BUCKETOBOLTS
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Quote:
Originally Posted by Bronco73 View Post
Ford made a an 8 lug 8.8 axle and it was not a FF axle! I have seen them with my own eyes. Came in the light duty F250 4x4 trucks and may have been in some 4x2 trucks. I've only seen them in the 4x4 trucks. Mid 80's or some where around there.
I've seen them too. Also seen SF D60's which are 8 lug.

The only problem I can see with a SF 9" with 8 lugs would be brakes. You would have to do some sort of disc conversion. Stock drums are not large enough to accept the large flange of the 8 lug axle.

'72 Explorer, TBA...
'76 F250 2wd, 390, NP435, 4.10's...aka Brutus
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Old 08/27/08, 02:47 PM   #6
welndmn
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No one will make you a SF 9 lug 9 inch axle.

You could cut off the spindles from a dana 60. 70 or 14 bolt and weld them on the 9 inch.
But then, why not just swap the whole rear axle under...

Mark, 71 bronco with loads of go fast parts held back by a 200hp engine.
42 inch marshmallows.
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Old 08/27/08, 04:01 PM   #7
broncomitch
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i agree with that. but if your going biger axle in the back i would use a 14 bolt i heir there stronger then a 70 and the disc brake conversion is super super easy.

1971 bronco sport,mild built 351w,c6,strong box,np205,HP Dana60,srw 14bolt,disc's front and rear,16"rock coil overs,H1's & 44" tires,4.10's,3link front,56" springs,ez wiring,tbird EFI
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Old 08/27/08, 05:33 PM   #8
bludorbronc
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Dare to be differant,cut the ends of the nine inch and weld on the 70 spindles,all ready 35 spline,buy the nodular center,daytona support, disc brake kit,shorten and respline the axles,don't forget to weld on the back brace for stength,when you cut housing,figure so both axles are same length. Now you have more ground clearance,lighter,and way expensive.And you can say I did it my way.
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Old 08/27/08, 05:47 PM   #9
Crewwzin
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Quote:
Originally Posted by welndmn View Post
No one will make you a SF 9 lug 9 inch axle.

You could cut off the spindles from a dana 60. 70 or 14 bolt and weld them on the 9 inch.
But then, why not just swap the whole rear axle under...
I dont really have any thing to add to this other than I've never, NEVER seen a 9 lug axle.



















(I know it was a typo....just ribbin ya!!)

1966 Wagon, '97 Explorer 5.0, M5R2 tranny, 3.5" lift, 35x12.50x17s....never ending build.
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Old 08/27/08, 06:52 PM   #10
Broncobowsher
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Quote:
Originally Posted by Crewwzin View Post
I dont really have any thing to add to this other than I've never, NEVER seen a 9 lug axle.







(I know it was a typo....just ribbin ya!!)
But I have seen a Ford with a 7 lug wheels. Talk about a head scratching bastard. Light duty F250 in the late 90's. They continue the styling to this day with the 7 lug hubcaps (go look at the hubcaps on a new econoline!)

"She's built like a steakhouse but she handles like a bistro"-Zapp Brannigan
“How hard can it be?”-Clarksonius 4th century BC.
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Old 08/27/08, 07:02 PM   #11
JWMcCrary
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Quote:
Originally Posted by Broncobowsher View Post
But I have seen a Ford with a 7 lug wheels.
Yep. I own one. 99 F250 light duty 4X4

You can count them on the rear wheel in the pic.
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Old 08/27/08, 07:14 PM   #12
mr.n
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Quote:
Originally Posted by Broncobowsher View Post
I see no reason they could not do an 8 lug axle, but getting brakes could be chalanging.
The flange is the biggest issue.

A few years ago I called every axle manufacturer I could find. Never did find one that could make this axle if they wanted to. Mosser said they may have back in the day, but wouldn't today.

I've some ideas, but couldn't a bearing to fit.

My basic notes on Dana 44 and other Dana axles -> http://77cj.littlekeylime.com/web_rs44.html
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Old 08/27/08, 09:36 PM   #13
76Broncofromhell
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Quote:
Originally Posted by welndmn View Post

You could cut off the spindles from a dana 60. 70 or 14 bolt and weld them on the 9 inch.
But then, why not just swap the whole rear axle under...

Agreed. Save yourself the time and find a 14 Bolt, D70, or 10.25" Sterling...in that respective order.

'70 Bronco - 408W
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Old 08/27/08, 11:54 PM   #14
scsm76
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Or you could just buy 5 x 5.5 to 8 x 6.5 wheel adapters.
A complete 14-bolt or Dana 70 would be cheaper though.

See all my recent upgrades here
69, 342 EFI, C4, NP203, D20, 4.5" SL, 2" BL, 4.88 9" 35 spline ARB, 4.88 HP D44, WAH, ARB, CTM's, front disc , 37 x 14.50 Toyo MT, Ram Assist, rear 4-link
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Old 08/28/08, 02:12 AM   #15
mountaincat68
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thanks alot guys, I guess I am stuck with either a new axle in the rear or convert my front to 5 lug.

How were the full floating d60s in the back of a 79 f250 I think my buddy has one of those too?
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