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DA 3.9 Dying........ Good idea? 

 

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 Post subject: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 3:56 pm 
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Hey all,

the motor in my DA is slowly and painfully starting to die by the feel of things, so what i'm thinking is:

-Get the block cleaned up
-Fit the EL hybrid head
-Fit the EL BBM
-AU Injectors and
-Maybe a Wade mild cam.

If i use the EL ECU and loom, this should all work nicely if i'm not mistaken.

Anybody got any thoughts or suggestions on this?

Kind Regards
Rob
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 4:24 pm 
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Fit a complete AU motor with EL loom and dizzy, not much point rebuilding the block, a newer fresher donk can be dropped in for considerably less alot of the time.

 

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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 4:27 pm 
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yeah i thought about that, but i'm not sure as to the extent i have to modify the sump and i know that i don't have the skills to do it myself...

i spose i should add that the budget is seriously tight, like, nun tight :lol:
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 4:39 pm 
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Then rebuilding the motor is sort of out of the equation too. just snag a e series motor and drop it in the hole. There is usually one or 2 going round the traps on different forums.

Organise some guys and beers and make a day of it. BBM conversion as well and serp setup are all advantages.

 

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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 4:48 pm 
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alright man, sounds like a plan

cheers for the advice too :)
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 5:06 pm 
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There are a few motors going for honest $4 on here at the moment too. worth a look at for sale. even an ED one I think, just slot it straiught in, no looms to screw with plug and play.

 

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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 6:42 pm 
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why do you say it's dying? my EB's original 3.9 had a bottom end knock and blow by for 12 months. and i drove it hard. just put some thick oil in it lol.

but even an AU motor running the original log manifold

 

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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 9:27 pm 
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EF or EL XR6 engine is always a cheap and easy upgrade for the early E series
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Wed Aug 25, 2010 9:34 pm 
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you sure its dying? and just doesnt need a good service
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Thu Aug 26, 2010 1:21 am 
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Its probably dying. Hell my AU is finally dying and I need to replace it with something soon before its too late.
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Thu Aug 26, 2010 3:46 pm 
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i think it's dying cos it's got more knocks than a brothel and blows a fair bit of smoke (but i have a feeling that's a fueling issue).

it's up near 291,000km now so it could be due for a headgasket soon, but i have a feeling i'll try injector clean/replace before i jump to any conclusions.

but i've never ever seen a car that runs so rich, it's using 18L/100km atm and that's not even driving it spiritedly.
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Thu Aug 26, 2010 5:19 pm 
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I used to get so much blow by, I used to end up with fuel in the oil and the crank case gasses were phenominal!

If its running rich, I would suggest you look at the oxy sensor, they do die, you end up with even worse fuel economy than what ford ever designed.

But a solid service would probably do it the world of good, if its burning oil, I would switch to a heavier oil, as long as it maintains oil pressure I would not stress too much.

Throw some filters at it, and check and replace sensors accordingly, oxy sensor I would almost assure you is rooted.

 

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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Thu Aug 26, 2010 5:47 pm 
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o2 sensor is plumbed into the extractors.....?
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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Thu Aug 26, 2010 5:49 pm 
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RobboXE wrote:
o2 sensor is plumbed into the extractors.....?



Yeah, just unplug and unscrew it to inspect, I would suggest its past its best before date. Bin it and replace it.

 

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 Post subject: Re: DA 3.9 Dying........ Good idea?
Posted: Thu Aug 26, 2010 5:56 pm 
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yeah dad did that just over a month ago, still hasn't changed much
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