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WANTED: bigger injectors 

 

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 Post subject: WANTED: bigger injectors
Posted: Fri Jul 15, 2005 12:04 am 
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im looking for some bigger injectors for my ef ex chaser 6 cylindar. i dont know how big they are at the moment but they are black if that helps. im looking for bigger injectors that wont need another fuel pump to be put in.... can anyone suggest or have any?

 

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Posted: Fri Jul 15, 2005 12:12 am 
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Firstly if you need larger injectors you should be looking at a bigger fuel pump to match. Larger fuel injectors will flow more therefore you need a bigger pump to keep adequate line pressure. What mods do you have and what power are you making? Stock injectors will go to around 160rwkw, 24lb injectors will go to around 200-220rwkw.
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Posted: Fri Jul 15, 2005 12:15 am 
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my mechanic put a bigger fuel pump in last time i got it replaced... im pretty sure its a big bosch one. im pushing 165rwkw so i dont know if this is a good thing to do

 

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Posted: Fri Jul 15, 2005 12:25 am 
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165rwkw is coming close to the limits of the stock injectors but remember when you go larger you will need to tune the EEC for them, either via a chip or aftermarket computer.
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Posted: Fri Jul 15, 2005 9:30 pm 
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DOn't know if its the same in Ozzy, but here in NZ you can buy brand new Mazda Rotary 12A turbo injectors (720cc) for approx $104incl gst which is bloody good pricing, would be a big overkill for you car but will give you plenty of scope for future mods!

 

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Posted: Fri Jul 15, 2005 10:27 pm 
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Not bad price but 720cc would be way to big for the 6cyl and you would need so much tuning just to get it to idle properly, fuel economy would suck too.
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Posted: Thu Jul 21, 2005 7:18 pm 
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is that $104 each? i'd assume so, if not tell me where i can get a set.

 

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Posted: Thu Jul 21, 2005 9:03 pm 
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Try talking to your local ford/mazda Dealer Ask them to price part# M25313250A. My local dealers price is $180+gstNZD, sorry I got the price wrong but its still a good price.
If your dealer isn't helpful contact my local dealer shoulpram@ultimate.co.nz

 

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Posted: Thu Jul 21, 2005 11:06 pm 
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Crescent Motorsport can supply 24, 30, 36 and 42 lb/hr matched ford motorsport injectors for ~$400 set (6)!

 

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Posted: Fri Jul 22, 2005 12:58 pm 
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EDXR8 wrote:
Stock injectors will go to around 160rwkw

I made 175rwkw at the last dyno day on stock injectors and didn't lean out :)
I'll be needing some 24's soon though to go any higher.

 

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Posted: Fri Jul 22, 2005 1:29 pm 
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Hyena wrote:
EDXR8 wrote:
Stock injectors will go to around 160rwkw

I made 175rwkw at the last dyno day on stock injectors and didn't lean out :)


What was the duty cycle at... ? Should keep it at/below 80%....

 

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Posted: Fri Jul 22, 2005 1:37 pm 
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I won't know until I get the megasquirt in.

 

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Posted: Fri Jul 22, 2005 2:09 pm 
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Jay, want some 30lb/hr injectors? I've got a set which have done about 15KM. If the head sells these will be for sale also.

 

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Posted: Fri Jul 22, 2005 3:08 pm 
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Waggin wrote:
Crescent Motorsport can supply 24, 30, 36 and 42 lb/hr matched ford motorsport injectors for ~$400 set (6)!


you ripped me off then ya b**ch :p

 

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Posted: Fri Jul 22, 2005 4:01 pm 
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Waggin wrote:
Jay, want some 30lb/hr injectors? I've got a set which have done about 15KM. If the head sells these will be for sale also.


I'll see how I shape up once I get the MS in and work out duty cycles etc.
You've got a set of 24lb injectors laying around as well don't you ? :)
I don't want to bump up my non-flogging fuel consumption too much, it already costs me a fortune around town.

 

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