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 Post subject: Au falcon issue
Posted: Wed Feb 13, 2013 3:30 pm 
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I have an auII falcon and the head is s**t because it is alloy any one know of any after market heads for a 4.0 falcon AUII any suggestions would be awesome
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 Post subject: Re: Au falcon issue
Posted: Wed Feb 13, 2013 11:09 pm 
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have you been putting plain tap water in your cooling system hmm?? .. thats a NO NO

dunno about aftermarket heads but the one you have can be repaired [if its not to bad] OR replace with another??
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 Post subject: Re: Au falcon issue
Posted: Wed Feb 13, 2013 11:12 pm 
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Na using coolant but the head of an au is s**t I'm thinking about going for a ba for my next car
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 Post subject: Re: Au falcon issue
Posted: Thu Feb 14, 2013 1:15 am 
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hate to break it to you but the au engine and head is the best for reliabillity, sounds like yours has been abused or miss treated most its life..

there are au engines out there with huge high kms on them..
ill go as far as saying that the au engine is even better than the ba engine for reliabillity and longevity..

unfortunatly no reall aftermarket heads avaiable,
to say its s**t coz its alloy is silly, they have all been alloy heads since the late 1980's and the ba's head is alloy aswell, so your s**t out of luck..lol
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 Post subject: Re: Au falcon issue
Posted: Sat Feb 16, 2013 10:01 am 
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Does the OP know anything?
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 Post subject: Re: Au falcon issue
Posted: Sat Feb 16, 2013 10:07 am 
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AUIIWAGON wrote:
I have an auII falcon and the head is s**t because it is alloy any one know of any after market heads for a 4.0 falcon AUII any suggestions would be awesome


I will ask the obvoius question. WHY is the head s**t because it is alloy? How do you come to the conclusion that because it will be alloy it is s**t? Please enlighten me as I am very interested the see you reply.

Thank you for your time and consideration in this matter.
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 Post subject: Re: Au falcon issue
Posted: Sat Feb 16, 2013 10:07 am 
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Pelican ...

 

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 Post subject: Re: Au falcon issue
Posted: Sat Feb 16, 2013 10:09 am 
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GeZza200 wrote:
Pelican ...


Please do not be like this to the young man, I for one am interested to see what he has to say.
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 Post subject: Re: Au falcon issue
Posted: Sat Feb 16, 2013 2:26 pm 
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I too would like to know why the head is s**t. Considering The AU has been the least trouble with head / head gasket issues.

 

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 Post subject: Re: Au falcon issue
Posted: Sat Feb 16, 2013 2:35 pm 
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it's probably shyte because he read it in a forum...
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+1 for au being the best head produced.

some people from the school of old seem to think that an ally head on an iron block isn't a good idea because of the different thermal expansion and contraction rates. In reality, it's not a problem for millions of other manufacturers either.

 

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Not to get technical, but according to chemistry alcohol is a solution.

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 Post subject: Re: Au falcon issue
Posted: Sun Feb 17, 2013 7:12 am 
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I sit here with anticipation of a reply to the question. Please don't keep me in suspense for soooooo long.
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 Post subject: Re: Au falcon issue
Posted: Sun Feb 17, 2013 12:20 pm 
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If the OP wants a 6 cylinder Falcon that doesn't have a alloy head then he's going to have to get a XD or earlier.
Personally, I see nothing wrong with the alloy heads. Sure the alloy head heats up and cools down at different temps to the block but thats the beauty of the AU MLS head gasket. If the cooling system is kept in good condition with only quality coolants being used and demineralised water then I can't see why the head would be troublesome.

 

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 Post subject: Re: Au falcon issue
Posted: Sun Feb 17, 2013 12:25 pm 
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revcore wrote:
If the cooling system is kept in good condition with only quality coolants being used and demineralised water

THAT'S why it s**t!! :lol: Too much like hard work not being able to use tap/rain/dam water.

 

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 Post subject: Re: Au falcon issue
Posted: Sun Feb 17, 2013 3:46 pm 
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Esteven8 wrote:
revcore wrote:
If the cooling system is kept in good condition with only quality coolants being used and demineralised water

THAT'S why it s**t!! :lol: Too much like hard work not being able to use tap/rain/dam water.


de-mineralised water is actually bad for aluminium radiators, which au's have. I can't imagine it being much different for heads either not that I have any evidence. Mines been replaced with a copper core with pressed copper tanks. Easier to fix & more reliable imho. That with nulon coolant and royal purple ice appears to make the ultimate cooling system, never changes from 5degree mornings to 45degree days, always consistent.

Although I've purchased an el head before that had too much glycol and it seemed to work like extrusion honing without the consistency.

 

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 Post subject: Re: Au falcon issue
Posted: Sun Feb 17, 2013 4:14 pm 
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That Royal Purple Ice, Is it available at places like Supercheap and Autobarn? I might get some for my 5.0 AU as it still has it's original aluminium radiator (Which is still in excellent condition).

 

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