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EA LSD 

 

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 Post subject: EA LSD
Posted: Mon Aug 08, 2011 5:22 pm 
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Ride: 1991 Ford Fairmont Ghia

Location: Palmerston North
New Zealand

Hey guys iv been through 2 lsds in the fairmont now both suffering from (i'm guessing) the same issue.
That is when put under severe 'strain' the diff instead of acting as a lsd only operates as single peg.
What causes a lsd to sh** itself like this?. I'v read that they have like a clutch like mechanism that allows them to give both wheels traction. (please dont quote me on this) If this is so can it be replaced, by the average home mechanic who has a sh** load of time and the patience to learn and save for the tools necessary to do it.

Cheers guys for any advice or comments that can help me narrow this down.

Just to note i have 2 lsds soon to be 3 that i can play around with all 3 are 3.23 ratios i think.
(possibility of scavenging parts maybe?). Also all the diffs have had their fluids changed and topped up to the correct level to eliminate this as a possibility.

 

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 Post subject: Re: EA LSD
Posted: Mon Aug 08, 2011 7:03 pm 
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Ride: 2.0 Turbo VW

Power: 142 rwkw

Location: Seaford State:
VIC, Australia

'Limited Slip Diff'

If you want to put it under 'severe strain' this is what you'll end up with.

Upgrade the diff or modify it to suit your 'driving' needs.


Throwing washers and installing bolts inside the cone springs will 'make' the LSD tighter, you can also do Figure-8's backwards to 'lap' the cones in. but at the end of the day these diffs aren't exactly the best to be thrashed.

 

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 Post subject: Re: EA LSD
Posted: Mon Aug 08, 2011 7:26 pm 
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Ride: EA SVO, AU2 Forte

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they are a metal on metal cone setup. no clutches. what happens is the housing and the cone are tapered and they wear over time so instead of the housing and cone faces touching the cones ends bottom out so they just spin freely. causing them to legger. i'm getting a diff rebuilt currently and the housing had to be machined so the cones contacted properly. and it's also being shimmed up F.T so she won't leg :mrgreen:

 

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Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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 Post subject: Re: EA LSD
Posted: Tue Aug 09, 2011 1:06 pm 
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EA LSD's are only a 2 pinion centre too......get one from EBII up to EFII......they are 4 pinion LSD's in the V8's and XR6's

 

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 Post subject: Re: EA LSD
Posted: Tue Aug 09, 2011 4:15 pm 
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Age: 24

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Ride: 1991 Ford Fairmont Ghia

Location: Palmerston North
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Cheers guys i know they're not made to be thrashed, i give her the odd rark up but i do love my car. So its not something the do it yourself er can do then, thats a bit disappointing. Guess ill be on the look out for an eb2 onwards lsd. Any idea on prices for a freshly recoed one? Don't really want some guy in the shop trying to bs me around.

Thanks for all the help.

 

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 Post subject: Re: EA LSD
Posted: Tue Aug 09, 2011 6:49 pm 
Getting Side Ways
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Ride: EA SVO, AU2 Forte

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my EB1 original diff was 4 pinion 28 spline

 

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Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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 Post subject: Re: EA LSD
Posted: Wed Aug 10, 2011 3:22 pm 
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Ride: 1991 Ford Fairmont Ghia

Location: Palmerston North
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cheers man can anyone else confirm this? that would help my search quite a bit i know of a guy wrecking an eb.

 

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 Post subject: Re: EA LSD
Posted: Wed Aug 10, 2011 9:29 pm 
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Ride: EB2 Ghia,Mighty Boy,Eb1 Xr8 5spd

Location: ** In the Shed! **
VIC, Australia

Pics of your diff & it's pinion please.

Cheers

ToranaGuy

 

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I am the ToranaGuy!|74 Lh Torana Turbo|78 Hz PanelVan|86 Mighty Boy Ute|93 EB2 Ghia,GT Mockup,5spd,LPGI,Full Leather|2 x EB Xr8 5spd's|FS [VIC]: Wrecking - Eb XR8 - Parts available |Build Thread|Ebay Items - Ford Parts|

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 Post subject: Re: EA LSD
Posted: Thu Aug 11, 2011 7:12 pm 
Getting Side Ways
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Age: 28

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Joined: 11th Mar 2008

Ride: EA SVO, AU2 Forte

Location: Bendigo
VIC, Australia

well. that bust that myth. the diff guy pulled down my EA diff. it had 28 spline 4 pinion centre. thought EA's had a 25 spline 2 pinion centre. LSD's must be different

 

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Daily driver: AU2. 5 speed. 19" FG luxos. Full exhaust. Lowered. AU3 XR leather interior, converted to full power windows. 3.45 LSD. IN THE FUTURE: Tickford 6
Weekend driver: EA SVO AU motor. Built BTR. TCE 2800 stall. T76 turbo. Locked diff. On E85. approx 320rwkw. 11.5 @121mph

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 Post subject: Re: EA LSD
Posted: Sun Aug 21, 2011 2:34 am 
Getting Side Ways
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Age: 35

Posts: 4285

Joined: 8th Dec 2004

Gallery: 25 images

Ride: EB2 Ghia,Mighty Boy,Eb1 Xr8 5spd

Location: ** In the Shed! **
VIC, Australia

Was the diff from a 3spd auto or 4spd auto EA? Maybe that makes a difference?

Cheers

ToranaGuy

 

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I am the ToranaGuy!|74 Lh Torana Turbo|78 Hz PanelVan|86 Mighty Boy Ute|93 EB2 Ghia,GT Mockup,5spd,LPGI,Full Leather|2 x EB Xr8 5spd's|FS [VIC]: Wrecking - Eb XR8 - Parts available |Build Thread|Ebay Items - Ford Parts|

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