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Australian Falcons Discuss the australian born and bred models here. Includes the 80's 90's and present day Falcons offered by Ford Oz.

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post #1 of 14 (permalink) Old 01-06-04, 04:02 PM Thread Starter
macca
 
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Head Work

Heys guys, Im planning to do a head gasket on my ea soon and i was just wondering what experiences people have had in regards to machinging of the head....do a lot or a little, i have manual, exctrators, exhaust...should a little head work give me a noticable power gain??? and what is the averege price or abouts for headwork both standard and for extra work???
Cheers

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post #2 of 14 (permalink) Old 01-06-04, 06:36 PM
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Re: Head Work

From what I've seen, I think most people would recommend simply using a later model head, than working the EA's (probably cheaper and better result).

Try a bit of a search about the place on I6 head work, your bound to find lots of interesting threads. . .
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post #3 of 14 (permalink) Old 01-06-04, 09:24 PM Thread Starter
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Re: Head Work

Thanks
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post #4 of 14 (permalink) Old 01-06-04, 10:10 PM
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Re: Head Work

wouldn't putting a 4 litre head on a 3.9 lower the compression an in fact adversly effect performance? I guess the larger ports etc would offset this but wouldn't better gains be had from getting work done to the 3.9 head instead if you weer using the 3.9 litre block???

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post #5 of 14 (permalink) Old 01-06-04, 11:05 PM
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Re: Head Work

no, rymers it would be buggar all diference, if ur on a budget, go a cleaned up ef head, if you have some cash, pm me ill sort out an au head for ya. :wink:

cheers.joe.

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post #6 of 14 (permalink) Old 01-07-04, 04:06 AM
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Re: Head Work

apparently EA heads are the worst of the e-series. Why not get a later model head and work that? I've had my EA head worked by SVO for 800 bux. It will give you a power gain but to get the most out of it you really need a cam. Just get a Wade regrind for 150 bux or whatever they are and chuck that in at the same time.
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post #7 of 14 (permalink) Old 01-07-04, 09:23 PM Thread Starter
macca
 
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Re: Head Work

Does the ef head bolt staright on??? I need to do a head gasket also, wat gaskets would be best?? AU? top of line EA? Is there any other mods that need be in order to fit an ef head.....im on a budget and i just want a little bit more pull not an all out machine!!!
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post #8 of 14 (permalink) Old 01-07-04, 11:14 PM
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Re: Head Work

Yeah the EF head bolts straight on, I've put one on my 3.9L. I used an EF/EL had gasket, and you'll also need an EF/EL rocker cover too, otherwise it'll leak badly.

Alex
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post #9 of 14 (permalink) Old 01-07-04, 11:30 PM Thread Starter
macca
 
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Re: Head Work

Thanks Goodz....What price will i be looking foe a ef/el head?? are they readily avaliable or will it take a bit of hunting??
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post #10 of 14 (permalink) Old 01-08-04, 03:35 AM
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Re: Head Work

would there be any gain in fitting a std ef head to a ea bottom end? same compression ratios arnt they?

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