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Full floating rear diff
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Author:  Joshyboy26 [ Tue Nov 03, 2015 3:05 pm ]
Post subject:  Full floating rear diff
Hi guys, a bit of brainstorming and thinking out loud here.

I have a sierra with a 4age 20v and am struggling to keep rear diffs in it.

I am building a ute and want to keep a sierra front diff but
I am thinking of a bundy rear diff housing with a spooled 3.7 hilux centre and 300m custom axles.

I want to cut the housing to standard zook width.

The question is will lux axles fit through sierra front spindles? That way i could keep 5 stud rims all round and run sierra front brakes on the rear.

Otherwise id have to run hilux front spindles but i want to stay away from this.

I beleive tanshi?? Was doing something similar with cj7 spindles or something. I tried looking but couldnt find it.

I basically want to do this to keep the 3.7 ratio as i happy with my gearing at the moment and ive seen the vic zook boys snap a few vit floater axles and i want a bulletproof diff setup that i can tim cameron on and be sure itll be fine.

Anyway anyones input and ideas are appreciated

Cheers! :peaceout:
Author:  Zook_Fan [ Tue Nov 03, 2015 3:12 pm ]
Post subject:  Re: Full floating rear diff
Tim Cameron regularly breaks his rig :lol:

There's no way that a hilux shaft will fit through a sierra spindle. A 26 spline chromo barely does, hilux stuff is way bigger.

What tyre size are you running?
Author:  Joshyboy26 [ Tue Nov 03, 2015 3:23 pm ]
Post subject:  Re: Full floating rear diff
34s at the moment but 35s arent unlikely in the future.

Also should say ill be linking it so ride height and all that jazz wont be an issue
Author:  got_bar_work [ Tue Nov 03, 2015 3:34 pm ]
Post subject:  Re: Full floating rear diff
The jeep cj7 spindles would be the go or some big f150 stuff that run the 5x5.5 stud pattern
Author:  Joshyboy26 [ Tue Nov 03, 2015 5:47 pm ]
Post subject:  Re: Full floating rear diff
Hmm yeah ok might be worth a look at that
Author:  tanshi [ Wed Nov 04, 2015 9:52 am ]
Post subject:  Re: Full floating rear diff
cj7 spindles wont fit lux sized cvs either.

you will need dana44 f100 spindles or similar.

if gone through all the options and your gonna spend a shit load of money to get the result you want.

your better off giving up on 5 stud and throwing a pair of cut down lux or cruiser diffs in.
Author:  Gwagensteve [ Wed Nov 04, 2015 10:01 am ]
Post subject:  Re: Full floating rear diff
^ this, because if you do start going full timmay on it, you'll be trashing the front end too, and upgrading that will be a huge trial.

I say go full width hilux/bundera with 70 series spindles welded in for a full float with disks and run more rim backspace.

Steve.
Author:  tanshi [ Wed Nov 04, 2015 10:44 am ]
Post subject:  Re: Full floating rear diff
I have a mate who is looking at getting some wheel bearing hubs machined to suit hilux spindles but with 5 stud hubs.
Author:  Joshyboy26 [ Wed Nov 04, 2015 10:49 am ]
Post subject:  Re: Full floating rear diff
Why 70 series spindles?

Will i be able to run enough offset to bring me back to my width now or will i be a fair bit wider?

I am trying to keep the zook narrowness and lightness but its slowly going out the window haha
Author:  Gwagensteve [ Wed Nov 04, 2015 11:17 am ]
Post subject:  Re: Full floating rear diff
The 20v is what's going to eliminate the lightness.

I suggested 70 series spindles to allow a full float rear axle with discs. I guess 80 could be used too.


Regardless the whole job is going to cost a fair bit of money so it doesn't make any sense to stick with 5 stud rims.

If you use ifs hilux or 80 Series rims you'll go pretty close to your current width.
Author:  Joshyboy26 [ Wed Nov 04, 2015 1:31 pm ]
Post subject:  Re: Full floating rear diff
Hmm, i did read your full floater thread steve and by that you think dt s are stronger than a lux front which means i need chromos in it or else im taking a step backwards.

I also find that im not putting a lot of pressure on thefront as it rarely is heavily weighted and on the gas at the same time.

This seems to be were i keep breaking rears on steep hills and on the power.

This is why im thinking only rear.

That keeps my weight down in the front and the cost also haha!
Author:  Gwagensteve [ Wed Nov 04, 2015 3:28 pm ]
Post subject:  Re: Full floating rear diff
It's the r&p that will go unless you keep taking out hub bolts endlessly. It'll be landing a bounce that will do it, when the weight of the 20v and high rpm will hurt it.
Author:  Joshyboy26 [ Thu Nov 05, 2015 5:15 am ]
Post subject:  Re: Full floating rear diff
If i was to use 70 series spindles would i use rear spindles to get a handbrake or will a drive flange not bolt up to the hub?
Author:  Gwagensteve [ Thu Nov 05, 2015 5:50 am ]
Post subject:  Re: Full floating rear diff
Rear spindles.
Or else weld a hilux spindle pattern to the bundy rear to run hilux front hubs and spindles (like Sierra front only bigger) all round with no handbrake.
Author:  tanshi [ Thu Nov 05, 2015 8:27 am ]
Post subject:  Re: Full floating rear diff
IM actually working on a full floater converson for lux diffs at the moment but its a ways off
Author:  Joshyboy26 [ Thu Nov 05, 2015 10:07 am ]
Post subject:  Re: Full floating rear diff
How far off?
Author:  tanshi [ Thu Nov 05, 2015 10:41 am ]
Post subject:  Re: Full floating rear diff
in the researching stages.

using lux front spindles and hubs, db555 disks i believe and mazda calipers.
Author:  Joshyboy26 [ Thu Nov 05, 2015 12:35 pm ]
Post subject:  Re: Full floating rear diff
Sounds cool
Author:  dank [ Thu Nov 05, 2015 5:58 pm ]
Post subject:  Re: Full floating rear diff
You can buy the D35C with full floater warn kit and locker and the D30HP front with locker off my XJ if you want them! 3.55:1 though.
Author:  Joshyboy26 [ Thu Nov 05, 2015 9:06 pm ]
Post subject:  Re: Full floating rear diff
How much?
Author:  tanshi [ Fri Nov 06, 2015 7:59 am ]
Post subject:  Re: Full floating rear diff
remeber that the jeep has a left hand pumpkin
Author:  Gwagensteve [ Fri Nov 06, 2015 8:18 am ]
Post subject:  Re: Full floating rear diff
And a centred rear.
Author:  Joshyboy26 [ Fri Nov 06, 2015 1:23 pm ]
Post subject:  Re: Full floating rear diff
And i was just reading that they are weak as haha nah sorry dan not interested
Author:  tanshi [ Fri Nov 06, 2015 5:19 pm ]
Post subject:  Re: Full floating rear diff
Weak um no. They sit behind a 4 litre motor. And they are chromo full floater.
Dan ran them on his jeep on 34s some how i wouldnt call them weak. But not suitable for what you need
Author:  Joshyboy26 [ Sun Nov 08, 2015 8:00 am ]
Post subject:  Re: Full floating rear diff
Well there you go. Ah well still wrong tho

Hey thanks for your help guys im now looking for a luxy and bundy diff and get this build happening!
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