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Old 08-05-2003, 19:44   #1 (permalink)
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Head Flow

Anyone know how much HP a stock EA I6 head flows?

Thanks

Simon
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Old 08-05-2003, 21:46   #2 (permalink)
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Re: Head Flow

Not enough


:s6:
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Old 08-05-2003, 22:57   #3 (permalink)
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Re: Head Flow

This autospeed article tested stock EB and AU I6 heads;

http://www.autospeed.com/cms/A_1792/article.html

On the intake side the stock the EB flowed 330hp while the AU was back at 302hp. On the exhaust side the EB was again better than the AU but it doesn't quote hp figures other than to say that exhausts always flow poorer than intakes.

The AU head is considered a better candidate for mods however and is improved from 302hp to 362hp.

See also this thread;
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Old 08-06-2003, 22:35   #4 (permalink)
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Re: Head Flow

LOL.. true.

Anyone have a rough figure??
about 290HP???
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Old 08-07-2003, 00:27   #5 (permalink)
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id say about that, especially with the big lump in the combustion chamber.
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Old 08-07-2003, 02:22   #6 (permalink)
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Re: Head Flow

yeah they flow about 280hp.

best stock head to get is a eb xr6 (flows 330hp). next one is a ef/el

and the best one of all imo is the au one (provides great scope for modifications.

cheers.joe.
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Old 08-07-2003, 17:59   #7 (permalink)
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It just sucks that wreckers want a mint for AU head / motors
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Old 08-07-2003, 21:38   #8 (permalink)
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Re: Head Flow

Thanks heaps fellas!!!
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Old 08-10-2003, 05:27   #9 (permalink)
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Re: Head Flow

we can get AU motors up here whole (inc alternator, water pump etc) for about $1100...

they dont like seperating the head though dammit
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