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BA/BF Diff Ratios 

 

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Posted: Sun Nov 18, 2007 2:10 pm 
Getting Side Ways
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Ride: 2003 BA XT

Power: 141 rwkw

Location: Perth
WA, Australia

fnp wrote:
Diitto on the XR6 and I'm 99% my 2003 XT is a 3.08.


3.23 it is! There is a tag on the actual diff, you can slide under the car and have a look, tells you the ratio and lists if its lsd or not.
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Posted: Sun Nov 18, 2007 9:36 pm 
Getting Side Ways
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Age: 28

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Ride: BA MKII Futura

Location: melbourne
VIC, Australia

4 speed auto ba mk2 futura 3.27 single spiner im pretty sure (might be 3.23 but im 99% sure on 3.27)
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 Post subject: Re:
Posted: Tue Jul 27, 2010 9:07 pm 
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Joined: 21st Dec 2009

Ride: BA MKII Futura

Location: Adelaide
SA, Australia

data_mine wrote:
MR XR wrote:
data_mine wrote:
All BF/BF2's with the 6 speed ZF auto get a 2.73 rear end.

I'm getting mine swapped tomorrow for a 3.45 with a tight rebuilt LSD. :D


Oh that sounds like so much fun.... do please update when its done! and video :D


Of F@#$ yeah!

3.08 to 3.45 on my EL was a great improvement, and so is this on my GT-P.

I'll have to organise some 1/4 times. But just around town it's so much more responsive. The ZF seems to have adjusted fine to it. It's not hitting the limiter before changing, and speeds/revs where previously 6th was locked out, are now available. Smart box.



very interesting what speeds do 1st, 2nd and 3rd gear finish? and what are you revs around 100?

 

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GT 35/40 turbo, XR6T manifold, 42lb injectors, walbro pump, monza cooler, 3.5" split dump, 3" exhaust and cat, M86 3.45 LSD/XR6T axles, 18" Speedy Cheetahs, King L/SL, Typhoon front bar (XT lights), XR6 skirts/rear bar

245rwkw @ 7psi with 3000rpm stally

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 Post subject: Re: BA/BF Diff Ratios
Posted: Thu Aug 20, 2015 9:39 pm 
Getting Side Ways
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Age: 39

Posts: 1667

Joined: 23rd Dec 2004

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Ride: Boosted ED XR6, EBII Mont Wgn

Power: 252 rwkw

Location: Mildura
VIC, Australia

BA XT wagon 4spd auto, anyone know what the ratio would be? some toss decided to paint the diff black so I cant read the sticker :/

 

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 Post subject: Re: BA/BF Diff Ratios
Posted: Tue Oct 18, 2016 12:49 pm 
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Joined: 16th Oct 2013

Ride: BA II 6 eGas

Location: Melbourne
VIC, Australia

EA to Ba. Hope this helps.
ford-technical-document-speedo-calc-d30.
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