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AU speedo with BA gearbox 

 

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 Post subject: AU speedo with BA gearbox
Posted: Sun Jan 31, 2010 10:28 pm 
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im in the middle of putting a BA turbo engine and gearbox in my series 1 AU ande i have found the ba gearbox has no allowance for the speedogear because the use wheel speed sensors.
I have BA brakes on the front so there is the possiblity for using wheel speed sensors, my question is; Will the wheel speed sensors send the same signal the the factor gauge as the gear box speed sensor would?
please if anyone could help it would be greatly appreciated.
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 Post subject: Re: AU speedo with BA gearbox
Posted: Sun Jan 31, 2010 11:40 pm 
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finaly wrote:
im in the middle of putting a BA turbo engine and gearbox in my series 1 AU ande i have found the ba gearbox has no allowance for the speedogear because the use wheel speed sensors.
I have BA brakes on the front so there is the possiblity for using wheel speed sensors, my question is; Will the wheel speed sensors send the same signal the the factor gauge as the gear box speed sensor would?
please if anyone could help it would be greatly appreciated.


Hey there, I don't know what made you think that the speedo sensor is different but they are not. The BA uses the same speedo sensor that the AU does, in the gearbox. Just use your original speedo driven gear from the AU.
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 Post subject: Re: AU speedo with BA gearbox
Posted: Mon Feb 01, 2010 12:05 am 
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Papa Smurf wrote:
finaly wrote:
im in the middle of putting a BA turbo engine and gearbox in my series 1 AU ande i have found the ba gearbox has no allowance for the speedogear because the use wheel speed sensors.
I have BA brakes on the front so there is the possiblity for using wheel speed sensors, my question is; Will the wheel speed sensors send the same signal the the factor gauge as the gear box speed sensor would?
please if anyone could help it would be greatly appreciated.


Hey there, I don't know what made you think that the speedo sensor is different but they are not. The BA uses the same speedo sensor that the AU does, in the gearbox. Just use your original speedo driven gear from the AU.


No they don't. Except for BA utes without ABS (a rare find).

The BA ABS system gets the speed from the ABS sensors, and sends that the the ECU. No your AU won't do this.

The solution, is to swap the extension housing from an AU box onto the BA box, or drill/tap the hole in the BA extension housing to fit the AU gear+sender (you may need the worm gear on the output shaft too).

 

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 Post subject: Re: AU speedo with BA gearbox
Posted: Mon Feb 01, 2010 3:49 pm 
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cheers dont no why i didnt think of that i new AU and BA have different methods of finding the speed, do you know if the output shaft will hold the gear?
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 Post subject: Re: AU speedo with BA gearbox
Posted: Mon Feb 01, 2010 6:48 pm 
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As I said you might need to add the worm gear that's on the output shaft.

 

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 Post subject: Re: AU speedo with BA gearbox
Posted: Mon Feb 01, 2010 7:33 pm 
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I didn't read properly that he would have had ABS.

I apologize for giving you a bum steer matey.
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 Post subject: Re: AU speedo with BA gearbox
Posted: Mon Feb 01, 2010 8:12 pm 
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hey mate, im sure we would all love to see photos and get more info on this... throw some up if you have time...

Cheers Cam

 

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 Post subject: Re: AU speedo with BA gearbox
Posted: Mon Feb 01, 2010 9:42 pm 
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sorry guys my bad for not being clear, i have a manual box so the is no extention housing
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 Post subject: Re: AU speedo with BA gearbox
Posted: Thu Feb 04, 2010 11:47 pm 
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hey mate, my manual box came from a ute, and has provisions for speedo readings from the box.
when i have some free time i'll get a photo for you..

Considering you're turboing it, this may not be much good to you, as all turbo utes would have had ABS, so only the no turbo T5s will have the option.. I'm not 100%sure if all the T5s in BAs are the same, or just the manual utes.

 

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 Post subject: Re: AU speedo with BA gearbox
Posted: Thu Jul 20, 2017 6:18 pm 
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This was very useful ..
AsAs I am now in the middle of a gearbox change and the gearbox I got from a wagon has no speed sensor hole so what's the best option tap and drill the hole out or replace the back housing on the gearbox cheers heaps guys
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 Post subject: Re: AU speedo with BA gearbox
Posted: Thu Jul 20, 2017 6:28 pm 
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BA YORT wrote:
This was very useful ..
AsAs I am now in the middle of a gearbox change and the gearbox I got from a wagon has no speed sensor hole so what's the best option tap and drill the hole out or replace the back housing on the gearbox cheers heaps guys



possibly easier to replace housing with yours [as long as same box]. and check that there is a drive cog on output shaft.
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 Post subject: Re: AU speedo with BA gearbox
Posted: Fri Jul 21, 2017 8:34 am 
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Easiest way is to use extension housing and speedo gears from your AU on the BA box,I did this with my XG and the BA output shaft has the hole already for the gear to go on.

P.s I assumed that you were talking about the 4-speed???

 

 

Attachments:
File comment: BA box with XG extension housing and gear-speed sensor.
IMG_2014112755269.jpg
IMG_2014112755269.jpg [ 49.32 KiB | Viewed 19 times ]

 

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