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AU Injectors VS EL Injectors. 

 

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 Post subject: AU Injectors VS EL Injectors.
Posted: Tue Dec 09, 2008 8:13 am 
Getting Side Ways
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Age: 39

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Ride: 98 NL, 97NL, 98EL

Power: 141 rwkw

Location: Sunny Coast or Beerburrum
QLD, Australia

Just wondering if they are any different??? or the same just different shape??

Just wondering because my EL ones have done 150,000kms and I have AU ones that have done about 30,000kms.

thanks guys.

Laticia.

 

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Posted: Tue Dec 09, 2008 8:42 am 
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Ride: 98 EL Futura

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They are better injectors and they spray in 4 directions instead of one, if i remember. They are also about 2lbs more i think.

 

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Posted: Tue Dec 09, 2008 9:23 am 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
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the ef/el injectors are 18.25 lb and the au ones are 20lb
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Posted: Tue Dec 09, 2008 1:49 pm 
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6cyl or V8?

 

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Posted: Tue Dec 09, 2008 1:53 pm 
Getting Side Ways
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Ride: 98 NL, 97NL, 98EL

Power: 141 rwkw

Location: Sunny Coast or Beerburrum
QLD, Australia

its an I6 so i'd be better of putting the AU ones in??

prob be a lot cleaner ..

laticia.

 

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Posted: Tue Dec 09, 2008 1:55 pm 
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Location: Brisbane
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chuck the AUs in.

 

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Posted: Tue Dec 09, 2008 2:34 pm 
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i have had AU injecters in me old 3.9 EB and it improved alleration etc etc and EA to EL injectos are essenital the same

 

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Posted: Tue Dec 09, 2008 4:33 pm 
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Hmm thats interesting, might chuck a set of AU injectors in my Fairmont soon, i think my ones havent been cleaned in their 200,000+km life :lol:

 

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Posted: Sun Dec 14, 2008 12:52 am 
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dont the au injectors make the e series run rich but
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Posted: Sun Dec 14, 2008 8:18 am 
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travs ea-xr6 wrote:
dont the au injectors make the e series run rich but


yeah but dont tell anyone that :lol: ..... people like to think fitting bigger injectors from a later model car is a power mod

i had my car tuned recently with stock fuel reg & injectors, and even at 157rwkw was running too rich and needed more air, not fuel

i think a large bore throttle body would be a more worthwhile mod, as these things already run rich from the factory
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Posted: Sun Dec 14, 2008 8:24 am 
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FordFairmont wrote:
travs ea-xr6 wrote:
dont the au injectors make the e series run rich but


yeah but dont tell anyone that :lol: ..... people like to think fitting bigger injectors from a later model car is a power mod

i had my car tuned recently with stock fuel reg & injectors, and even at 157rwkw was running too rich and needed more air, not fuel

i think a large bore throttle body would be a more worthwhile mod, as these things already run rich from the factory


running rich hmmm s**t hey i never found that the EB used any more or any less from the standard 3.9 injectors, (and every now and then i got bored and worked out the litres per km s**t on paper... didn't see any difference.)

 

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Posted: Sun Dec 14, 2008 8:36 am 
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FordFairmont wrote:
travs ea-xr6 wrote:
dont the au injectors make the e series run rich but


yeah but dont tell anyone that :lol: ..... people like to think fitting bigger injectors from a later model car is a power mod

i had my car tuned recently with stock fuel reg & injectors, and even at 157rwkw was running too rich and needed more air, not fuel

i think a large bore throttle body would be a more worthwhile mod, as these things already run rich from the factory


Wouldn't the computer alter the injector pulse to bring the air/fuel ratio back to where they normally run at?

 

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Posted: Sun Dec 14, 2008 8:44 am 
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xbcoupe351 wrote:

Wouldn't the computer alter the injector pulse to bring the air/fuel ratio back to where they normally run at?


afaik yes it does to an extent..
im mean if you go crazy and put 42lb injectors or something the flow would be that high the ecu wont be able to control it..
but with going from 18lb injectors to 20lb or 24lb injectors the ecu should be able to correct the flow..
the main reason for the au injectiors is the spray pattern not the flow!...
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Posted: Sun Dec 14, 2008 8:58 am 
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TROYMAN wrote:
xbcoupe351 wrote:

Wouldn't the computer alter the injector pulse to bring the air/fuel ratio back to where they normally run at?


afaik yes it does to an extent..
im mean if you go crazy and put 42lb injectors or something the flow would be that high the ecu wont be able to control it..
but with going from 18lb injectors to 20lb or 24lb injectors the ecu should be able to correct the flow..
the main reason for the au injectiors is the spray pattern not the flow!...


I understand the spray pattern would give more power as the fuel is atomized better therefore you get a more complete burn. I just wasn't sure how much bigger injector you could go before the computer lost control.

 

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Posted: Sun Dec 14, 2008 9:05 am 
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I have had recoed AU's in my EF engine for a while now. It runs smoother, but power hasn't changed, maybe a little more low end torque. It does run a tiny bit richer, but will soon be tuned out.

I only recoed my injectors because they were out anyway, so may aswell, i'm kind of a perfectionist is those type of things. 30k Au injectors should be clean, and will be better than e series ones.

 

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