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Go Back   Australian Ford Forums > Ford Australia Vehicles > Small and Mid Sized Cars > Escort, Cortina, Sierra and Capri

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Old 13-07-2010, 04:05 PM   #1
louiethelouper
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Default cortina diff??

hey guy got a 1976 td cortina with a 6 cylinder engine and auto trans the diff is a borg warner but dont know wat ratio of how many splines it is any1 know???? looking at putting some geats in it and maybe a spool

thanks heaps

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Old 13-07-2010, 05:44 PM   #2
naughts
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Dont know the ratio, but it will be 25 spline.
If you want better gears get some skyline gears. 3.9's and 4.11's.
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Old 13-07-2010, 10:02 PM   #3
louiethelouper
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from wat skyline???
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Old 13-07-2010, 10:51 PM   #4
blueovalbits
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Most 4cyl 4speed Corty's were 3.7's, got em in my burnout Corty with a spool. No worries at all and still streetable.
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Old 13-07-2010, 11:17 PM   #5
louiethelouper
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well biulding a 400hp 250 crossflow with tripple webbers so need some decent gears and a spool
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Old 13-07-2010, 11:21 PM   #6
blueovalbits
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My Corty diff has been reliable as anything, touch wood I haven't even broken an axle! It's had a turbo RB30 in it and seen heaps of street k's without an issue.
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