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AuthorTopic: series diff into a defender  (Read 2665 times)

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Offline markyb

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series diff into a defender
« on: May 23, 2007, 12:29:04 »
was wondering if a seriesIII front 10 spline will go into a defender 10 spline,

if the whole unit doesnt will the carrier?
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Offline mmgemini

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series diff into a defender
« Reply #1 on: May 23, 2007, 12:31:15 »
It will fit physically but the ratio is wrong.
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mike
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v8seriesone

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series diff into a defender
« Reply #2 on: May 23, 2007, 12:45:52 »
if you use the same ratio front AND rear it shouldn't be a problem, but your cruising speed will be dropped (lower geared)
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Offline markyb

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series diff into a defender
« Reply #3 on: May 23, 2007, 14:27:48 »
the reason i ask is i can get a arb out of a series so i can take the arb and put my crown wheel on with some new bearings and be off another buttom on the dash :-)
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Offline mmgemini

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series diff into a defender
« Reply #4 on: May 23, 2007, 16:03:57 »
Quote from: "markyb"
the reason i ask is i can get a arb out of a series so i can take the arb and put my crown wheel on with some new bearings and be off another buttom on the dash :-)


AFAIK Yes that will be fine.
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mike
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Offline clbarclay

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series diff into a defender
« Reply #5 on: May 23, 2007, 17:26:43 »
No 100% sure whether ARBs are the same but a series and defender would use the same truetrac though to fit the series it would need bearing sleeves to suit imperial bearings and a spacer ring for the crownwheel.

If the series ARB doesn't use a spacer ring then I suspect it may position the crownwheel too close to the pinion when put in a defender housing.
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Offline mmgemini

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series diff into a defender
« Reply #6 on: May 23, 2007, 18:15:11 »
Quote from: "clbarclay"
No 100% sure whether ARBs are the same but a series and defender would use the same truetrac though to fit the series it would need bearing sleeves to suit imperial bearings and a spacer ring for the crownwheel.

If the series ARB doesn't use a spacer ring then I suspect it may position the crownwheel too close to the pinion when put in a defender housing.


Please explain
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Offline rollazuki

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series diff into a defender
« Reply #7 on: May 23, 2007, 19:51:11 »
If all u want is ARB's, Ive got a pair of em for sale, built into diffs with 4.3:1 gears, 10 spline, fit into a series or a coiler.
Even got the compressor and loom etc.
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Offline extreme90

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series diff into a defender
« Reply #8 on: May 24, 2007, 19:31:52 »
to fit a arb into a series you need a spacer ring to fit it to the crown, so all you do is bin the spacer and bolt the core unit direct to the crownwheel

you will need to remove the imperial bearings from the locker and fit metric if you were fitting it into a 10spline 90 diff housing aswel
beware tho, you need to be compitent at rebuilding diffs to under take this build, ive done about 12 diff rebuilds now, and still i hate doing them  :roll:

dan
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Offline markyb

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series diff into a defender
« Reply #9 on: May 25, 2007, 18:00:50 »
I double checked the ARB spec sheet and its RD03 for the front of a series and the front of my 110.
without the spacer and the right bearings.
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Offline markyb

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series diff into a defender
« Reply #10 on: May 25, 2007, 18:03:17 »
LAND ROVER
                                          Shaft Shaft ARBDiameter Spline Part No.
Range Rover Front To 1993 Rover type 28.2 (1.11") 10 3.54 RD031,4
1993-98 Rover type 31.5 (1.24") 24 3.54 RD561,5
1998 on Rover type, w/ traction control 31.5 (1.24") 24 3.54 RD575
Rear To 1993 Rover type 28.2 (1.11") 10 3.54 RD031,4
1993-98 Rover type 31.5 (1.24") 24 3.54 RD561,5
1998 on Rover type, w/ traction control 31.5 (1.24") 24 3.54 RD575
Discovery Front To 1993 Rover type 28.2 (1.11") 10 3.54 RD031
1993-98 Rover type 31.5 (1.24") 24 3.54 RD561,5
Rear To 1993 Rover type 28.2 (1.11") 10 3.54 RD031
1993-98 Rover type 31.5 (1.24") 24 3.54 RD561,5
Discovery Series II Front All Rover type 31.5 (1.24") 24 3.54 RD56
Rear All Rover type 31.5 (1.24") 24 3.54 RD566
2002 on Rover type, w/ traction control 31.5 (1.24") 24 3.54 RD576
Defender 110, 130, Front 1983-93 Rover type 28.2 (1.11") 10 3.54 RD031
County 1993 on Rover type 31.5 (1.24") 24 3.54 RD561,5
Rear 1983-02 Salisbury type 31.5 (1.24") 24 3.54 RD20
2002 on Rover type, w/ traction control 31.5 (1.24") 24 3.54 RD576
Defender 90, County Front 1984-93 Rover type 28.2 (1.11") 10 3.54 RD031
1993 on Rover type 31.5 (1.24") 24 3.54 RD561,5
Rear2 1983-93 Rover type, 4 cyl. petrol & diesel engines 28.2 (1.11") 10 3.54 RD031
To 1993 Rover type, V8 petrol engine 31.5 (1.24") 24 3.54 RD261
1993 on Rover type 31.5 (1.24") 24 3.54 RD561,6
2002 on Rover type, w/ traction control 31.5 (1.24") 24 3.54 RD576
LWB models Front 1979-83 Rover type 28.2 (1.11") 10 3.54 RD03
V8 engine Salisbury type 31.5 (1.24") 24 3.54 RD20
Rear 1979-83 Salisbury type 31.5 (1.24") 24 3.54 RD20
Series III, Series II, Front 1948-85 Rover type 28.2 (1.11") 10 4.7 RD032,3
Series I Salisbury type 31.5 (1.24") 24 4.7 RD32
Rear 1948-85 Rover type 28.2 (1.11") 10 4.7 RD032,3
Salisbury type 31.5 (1.24") 24 4.7 RD32
Year
Vehicle/Model Axle Loc'n Description Ratio
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