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Cortina diff question - quickest way to make a 3.5:1 to LSD 

 

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 Post subject: Cortina diff question - quickest way to make a 3.5:1 to LSD
Posted: Tue Apr 12, 2011 1:17 pm 
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Age: 51

Posts: 2

Joined: 12th Apr 2011

Ride: MG Midget

Location: Portland
VIC, Australia

Hi,
I have a midified MG with a 3.5:1 Cortina diff fitted. Nothing wrong with the diff, however I am investigating converting to a LSD.

I have no idea of what model Cortina it came off... limited Internet research indicates a 4 cyl, year / model unknown. Diff number is hard to read as it is poorly cast into the housing on passangers side, with a smaller number on drivers side - still hard to read.

Does anyone know how I can convert to a LSD "on the cheap"??? - ideally retaining the housing as both the axles and housing has been shortened to fit the car.

I estimate 200 RWHP if this is needed for the replies.

Thanks
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 Post subject: Re: Cortina diff question - quickest way to make a 3.5:1 to LSD
Posted: Wed Apr 13, 2011 7:45 pm 
Getting Side Ways
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Age: 55

Posts: 1566

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Ride: 5.0lt NF /351 ZD Fairlane

Location: Wattle Grove
NSW, Australia

It really depends on if its a later model with B/W diff which are easy to get parts for or from a MK1 or MK11 early style pommy ones!

 

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 Post subject: Re: Cortina diff question - quickest way to make a 3.5:1 to LSD
Posted: Wed Apr 13, 2011 10:24 pm 
Stock as a Rock
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Age: 31

Posts: 102

Joined: 1st Feb 2009

Ride: XD Falcon 351 Toploader

Location: Perth
WA, Australia

Mate take a pic and i will tell you wat its out of and if its a te/f diff it is very easy to do.
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 Post subject: Re: Cortina diff question - quickest way to make a 3.5:1 to LSD
Posted: Thu Apr 14, 2011 5:00 pm 
Fordmods Newbie
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Age: 51

Posts: 2

Joined: 12th Apr 2011

Ride: MG Midget

Location: Portland
VIC, Australia

Hi Guys,
I appreciate the support...
Attached are three pics.
Your assistance in identifying the diff is greatly appreciated.

The information I can provide is:
Ratio is 3.5:1
Previous owner claims it is a Cortina diff???
Engineering Certificate states "Anglia style" diff

Diff functions well, however I would like to convert to a LSD.

Any ideas???

 

 

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Last edited by RX MIDGET on Thu Apr 14, 2011 9:48 pm, edited 1 time in total.

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 Post subject: Re: Cortina diff question - quickest way to make a 3.5:1 to LSD
Posted: Thu Apr 14, 2011 7:53 pm 
Stock as a Rock
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Age: 31

Posts: 102

Joined: 1st Feb 2009

Ride: XD Falcon 351 Toploader

Location: Perth
WA, Australia

Yeah mate it looks to be an early corty/anglia diff but if you can find a mk1 gt diff centre it should go straight in and it will be lsd. Problem is they arnt very strong so 200 ponies will prob give it grief.
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