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general ecu help? 

 

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 Post subject: general ecu help?
Posted: Sat Oct 22, 2011 8:20 pm 
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hi, just wondering if there is a post anyone knows of to give me some info on ecu's? i have pretty much no knowledge of them and just wondering if theres a thread or someone who could fill me in on them hahah

cheers, matt

 

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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:21 pm 
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what exactly do you want to know??
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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:24 pm 
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well what requirements are there for changing one like do you need an xr6 engine to run an xr6 ecu?
is there power potential within changing ecu?
do powerchips, for example J3 chips have anything to do with the ecu?

may seem like stupid questions but yeah i have no grasp on ecu's hahah

 

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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:30 pm 
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the xr6 ecu will make the auto shift a little quicker and give a very very small amount of power gain, and a chip goes into the bottom of the ecu and changes it to whatever the chip is programed to do

 

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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:33 pm 
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i have an AU xr6 manual ecu sitting around and i have a standard au xl manual ecu in mye ute. is it worth swapping over?

 

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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:38 pm 
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MA77US wrote:
well what requirements are there for changing one like do you need an xr6 engine to run an xr6 ecu?
is there power potential within changing ecu?
do powerchips, for example J3 chips have anything to do with the ecu?

may seem like stupid questions but yeah i have no grasp on ecu's hahah


ok. well if you replace an ecu in an au for eg: a series one will need a series one ecu, and series2 or 3 will need a series 2 or 3 ecu..
you can run a std engine on a xr6 ecu and you can run a xr6 engine(non vct) on a std ecu, the performance differences are minor..

a j3 chip has its own tune and plugs into the bottom of the ecu which intercepts/overides the std ecu tune..
again in au most usually go with a flash tune instead of a j3 chip. a flash tune will over write/replace the factory tune in the ecu..
imo if the engine is stock there is no need to j3 the ecu, it will run fine on the factory ecu..
if a cam change is on your mind then a j3 or flash tune will be needed to get the gains from the cam..
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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:39 pm 
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if youve got it sitting there and dont plan on selling it then you may aswell stick it in but you probably wont feel much if any gain at all in a manual? also it depends if yours is series 1 and what the computer is out of, you will have to double check with someone who is more familia with the au falcon though

 

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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:40 pm 
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MA77US wrote:
i have an AU xr6 manual ecu sitting around and i have a standard au xl manual ecu in mye ute. is it worth swapping over?


are they both from the same series??
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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:41 pm 
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TROYMAN wrote:
MA77US wrote:
well what requirements are there for changing one like do you need an xr6 engine to run an xr6 ecu?
is there power potential within changing ecu?
do powerchips, for example J3 chips have anything to do with the ecu?

may seem like stupid questions but yeah i have no grasp on ecu's hahah


ok. well if you replace an ecu in an au for eg: a series one will need a series one ecu, and series2 or 3 will need a series 2 or 3 ecu..
you can run a std engine on a xr6 ecu and you can run a xr6 engine(non vct) on a std ecu, the performance differences are minor..

a j3 chip has its own tune and plugs into the bottom of the ecu which intercepts/overides the std ecu tune..
again in au most usually go with a flash tune instead of a j3 chip. a flash tune will over write/replace the factory tune in the ecu..
imo if the engine is stock there is no need to j3 the ecu, it will run fine on the factory ecu..
if a cam change is on your mind then a j3 or flash tune will be needed to get the gains from the cam..


thanks troyman, that clears a fair bit up for me! so do you think i should put the series 1 xr6 ecu in my series 1 ute?

 

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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:45 pm 
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give it a try, it wont hurt.. you might feel a slight increase in performance but nothing major.. if your not happy with how it performs you can always put the std ecu back in...
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 Post subject: Re: general ecu help?
Posted: Sat Oct 22, 2011 8:46 pm 
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cool. cheers for that guys! gives me something to do tomorrow arvo :)

 

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 Post subject: Re: general ecu help?
Posted: Wed Oct 26, 2011 6:59 pm 
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put the ECU in but car didnt start? when i turned the key it just did nothing. any suggestions to what it is?

 

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 Post subject: Re: general ecu help?
Posted: Wed Oct 26, 2011 7:02 pm 
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probably a series1 ecu in a series2? or series2 ecu in a series1?
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 Post subject: Re: general ecu help?
Posted: Wed Oct 26, 2011 7:08 pm 
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thats what i thought but i checked the plates under the hood and it says there both made in 99.

 

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 Post subject: Re: general ecu help?
Posted: Wed Oct 26, 2011 7:10 pm 
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aparently late 99 was a change over from smartlock to smartshield..

do the 2 cars have different type remotes and different shape keys to each other???
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