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100 Vs 80 rear diff - the same centre??

Tech Talk for Cruiser owners.

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Posts: 158
Joined: Tue Mar 23, 2004 9:48 pm
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100 Vs 80 rear diff - the same centre??

Post by Mick_n_Sal »

I've just arranged a rear LC 80 centre with air Locker. Will this fit in the 105? I see the ARB part no's are different

M+S
HIS: '90 FJ73 Awaiting funds for mods
OURS: '00 HZ105 Cruiser - HIDs, GPS, UHF, LF240s, BFG MTs, BB, Steps, Outback Drawers . . . .
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Post by Zeyphly »

I'll take a stab and say yes they will.
03 turbo twin cab hilux + 85 xtra cab 253, Have i ever said i love lockers?
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Post by badger »

nope.
completly different rear diff a whole 80 diff housing will bolt straight in tho
1hd-fte 5 speed tiptronic 105 series
78 series troopy for work
gu ute play truck For sale
FTE 80 series sahara Sold

i think i have a problem
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Post by Mick_n_Sal »

My 105 has ABS - I'd need to do a lot more than just swap housings wouldn't I?? ABS sensors, calipers etc.....

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Post by hdj105 »

Centres are different (crownwheel is thicker / heavier), but an 80 centre will bolt in the 100 housing I believe. But then the 100 axles won't go in the 80 side gears...
Greg G
2000 HDJ105
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Post by bj on roids »

Its a bit of work either way you go. Get the right locker
hands and mums dont count!!!
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Post by Mick_n_Sal »

The price is too good to pass up - I'll put it in the middy if it won't fit the 105

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Post by RUFF »

Mick_n_Sal wrote:The price is too good to pass up - I'll put it in the middy if it won't fit the 105

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It wont fit your 105. Not only are the crown wheels different but the spline count on the 105 rear axles is 31 instead of 30 in the 80.
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Post by Shadow »

RUFF wrote:
Mick_n_Sal wrote:The price is too good to pass up - I'll put it in the middy if it won't fit the 105

M+S
It wont fit your 105. Not only are the crown wheels different but the spline count on the 105 rear axles is 31 instead of 30 in the 80.
pfft

just cut n extra one with an angle grinder

problem solvered
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Post by midi73 »

RUFF wrote:
Mick_n_Sal wrote:The price is too good to pass up - I'll put it in the middy if it won't fit the 105

M+S
It wont fit your 105. Not only are the crown wheels different but the spline count on the 105 rear axles is 31 instead of 30 in the 80.
I think you will find the ratio is different as well. I know 100 are 4.3, not sure if they all are though.
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