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difference between au and ef v8? 

 

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 Post subject: difference between au and ef v8?
Posted: Mon Oct 05, 2009 8:02 pm 
Getting Side Ways
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VIC, Australia

hey guys i need to do a engine swap in my ef xr8 anyway i have found a au v8 cheap just wondering what the difference is? could i use it? will it all bolt straight up?
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 Post subject: Re: difference between au and ef v8?
Posted: Mon Oct 05, 2009 8:21 pm 
Getting Side Ways
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The engine is essentially the same but the engine management and accessories are different. Coil pack, CPS & crank sensor v's dizzy and coil. AU intake is better but has no IAT sensor hole in #5 runner, and no EGR provision. CT sensor has a different plug. Heads are better but spark plug angle is different so your headers will make spark plug removal a problem (just use platinum or iridum plugs with 100,000 mile change interval). Overall a worthwhile upgrade but not a straight bolt-up.

 

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 Post subject: Re: difference between au and ef v8?
Posted: Mon Oct 05, 2009 9:01 pm 
Getting Side Ways
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so i could just use all the ef accesory stuff instead then?
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 Post subject: Re: difference between au and ef v8?
Posted: Mon Oct 05, 2009 11:55 pm 
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Yes but you'll need an E-series Balancer and there maybe enough width in the AU water pump pulley to be able to maintain it's use....otherwise you'll need an E-series water pump too.
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 Post subject: Re: difference between au and ef v8?
Posted: Thu Oct 08, 2009 2:41 pm 
Getting Side Ways
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probly seems like a silly question, but does it make any difference to things like the steering rack (ie: different sump or something similar)? I'm assuming the ef k frame will be fine with the au motor

 

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Nicco's M112 Blown, T-56 equipped EF
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 Post subject: Re: difference between au and ef v8?
Posted: Thu Oct 08, 2009 3:30 pm 
EFI Guru
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WA, Australia

Nope sumps are the same.
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 Post subject: Re: difference between au and ef v8?
Posted: Fri Oct 09, 2009 12:37 pm 
Getting Side Ways
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The AU water pump pulley shaft is a little shorter than the E-series water pump pulley shaft. But I don't remember any other differences from memory so E-series accessories will bolt up just fine.

 

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 Post subject: Re: difference between au and ef v8?
Posted: Fri Oct 09, 2009 1:26 pm 
Getting Side Ways
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cool thanks pete

 

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