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AU 4Spd Auto to EF motor ? 

 

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 Post subject: AU 4Spd Auto to EF motor ?
Posted: Fri Nov 11, 2005 9:32 pm 
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Hey Guys,

Does anyone know if you can bolt an AU 4 speed auto box to an EF motor 4.0 ?
I assume they're all the same, but I'd like to be sure before buying it.

Whole lots going in an XF so Im not worried about the wiring matching.

Thanks,

Mike
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Posted: Sat Nov 12, 2005 1:18 am 
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yeah as long as its an au1 or 2 as i have this on my car. make sure you get the torque converter off the au as well it just bolts up easily but its a f**k of a job

 

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 Post subject: Re: AU 4Spd Auto to EF motor ?
Posted: Sat Nov 12, 2005 7:25 am 
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{USERNAME} wrote:
Hey Guys,

Does anyone know if you can bolt an AU 4 speed auto box to an EF motor 4.0 ?
I assume they're all the same, but I'd like to be sure before buying it.

Whole lots going in an XF so Im not worried about the wiring matching.

Thanks,

Mike
You will need to retain your EF bell housing of you have one otherwise you need to get one , the AU one is different due to the sump on the AU.
Cheers
TW.

 

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Posted: Sun Nov 13, 2005 11:27 pm 
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Thanks for that, I did know about the AU alloy bellhousing but didn't think about it. Its good you mentioned that.

Do you know if they have the same alloy cast brackets that go from the box to the block ?

Thanks,

Mike
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Posted: Mon Nov 14, 2005 7:54 am 
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{USERNAME} wrote:
Thanks for that, I did know about the AU alloy bellhousing but didn't think about it. Its good you mentioned that.

Do you know if they have the same alloy cast brackets that go from the box to the block ?

Thanks,

Mike
I don't think there are brackets on the AU it is integral with the sump.
Cheers
TW.

 

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Posted: Tue Nov 15, 2005 8:16 pm 
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Okay...so if im going to put an AU engine in my EL i will need to utilise the bell housing from an AU. Correct? Im keeping my EL autobox too.
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Posted: Tue Nov 15, 2005 8:19 pm 
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i think u will find the AU sump wont fit in an E series car, so u will need to swap sumps... nice part of the world u live too mate
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Posted: Tue Nov 15, 2005 8:27 pm 
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I have done a bit of reading around about installing AU engines into EF/EL falcons, from what i found all you have to do is grind off a couple of fins on the sump to clear the 'k' frame, but still doesnt leave a hell of a lot of room (only just).

U been to Bunbury before have you xpression?
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Posted: Tue Nov 15, 2005 8:34 pm 
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{USERNAME} wrote:
Okay...so if im going to put an AU engine in my EL i will need to utilise the bell housing from an AU. Correct? Im keeping my EL autobox too.
Correct, you will need the auto bell housing from the AU and also the AU alternator. All the rest is OK with the exception of the AC pump mounting spacers, they need to be cut down in length to allow for the different alternator position. PM me and I will point you to my doco on the motor changeover including the K frame mod.
Cheers
TW.

 

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Posted: Tue Nov 15, 2005 8:38 pm 
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Damn! I thought i'd just be able to get away with buying an AU long motor and bolt all my EL ancillaries onto it. Oh well. PM sent. :wink:
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Posted: Tue Nov 15, 2005 8:39 pm 
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{USERNAME} wrote:
I have done a bit of reading around about installing AU engines into EF/EL falcons, from what i found all you have to do is grind off a couple of fins on the sump to clear the 'k' frame, but still doesnt leave a hell of a lot of room (only just).

U been to Bunbury before have you xpression?
I think the concensus from previous discussions was not to grid the fin, my experience is that although I ground a bit off mine it now leaks from there. Even with it ground flat there is still clearence problems unless the engine mounts are moved.
Cheers
TW.

 

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