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Old 05-03-2004, 04:29 PM   #1
I am Frakk
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Default 99 Manifold on a 01

I keep on hearing that a 99 Manifold is very suitable for the WRX injectors I have an 01 w/ the stock injectors and I am running about 7 pounds of boost I know that my injectors are running at well past their operating range... I was just wondering if anyone has done this on their ride and what are the issues if any did you encountered when you did this change over?

Thanks
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Old 05-03-2004, 05:22 PM   #2
seven881
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It'll work on an 01 with a little drilling work. There's a sensor that needs to sit on top of the manifold that needs 1 holes for the sensor and 2 for the screws. The screw holes need to be tapped too. Also, buy new manifold gaskets since the old ones can tear easily.
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Old 05-03-2004, 05:27 PM   #3
I am Frakk
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I would imagine I would need to upgrade my fuel rails to fit the WRX or STi injectors correct?
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Old 05-04-2004, 11:30 AM   #4
maxiav
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Are you trying to get WRX injectors???..... wouldn't it be cheaper to just buy injectors and fuel rails than changing your intake manifold?
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Old 05-04-2004, 11:40 AM   #5
I am Frakk
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or I can do that...as far as I know though or to my knowledge I haven't seen a manufacter that makes fuel rails and injectors for the SOHC EJ25...do you know of any? if so it'll be greatly appreciated...
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Old 05-04-2004, 12:27 PM   #6
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I have Vishnu fuel rails and RC550 injectors that fitted beautifully in my car. You need some spacers for the fuel rails, but I believe Vishnu sells those too. NO LEAKS!!! Perfect fit
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Old 05-04-2004, 12:47 PM   #7
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The benefit is to be able to use WRX aftermarket injectors or use the WRX injector mod and you'll have fuel for just about any turbo. Also, you won't have to hack your injector harnes or run low impedence injectors when you get bigger. You can use the RS rails with the WRX injectors.
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Old 05-04-2004, 02:02 PM   #8
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Quote:
Originally posted by seven881
The benefit is to be able to use WRX aftermarket injectors or use the WRX injector mod and you'll have fuel for just about any turbo. Also, you won't have to hack your injector harnes or run low impedence injectors when you get bigger. You can use the RS rails with the WRX injectors.
Thanks
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Old 05-04-2004, 06:23 PM   #9
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i think you throw a cel if you change the manifolds for the air assist thing in the 00 injectors being disabled, i think kaos200 told me this. I dont know if theres a way around it, its the only thing stopping me from getting a 99 mani cause i dont want a cel constantly
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Old 05-04-2004, 06:35 PM   #10
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Quote:
Originally posted by Derk1127
i think you throw a cel if you change the manifolds for the air assist thing in the 00 injectors being disabled, i think kaos200 told me this. I dont know if theres a way around it, its the only thing stopping me from getting a 99 mani cause i dont want a cel constantly
Would a CEL damage the engine or make the car not run reliably? or is it something that I can live with?
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Old 05-04-2004, 07:11 PM   #11
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i think its something you can live with but if you live in a state with emissions testing youll fail because of the cel
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Old 05-05-2004, 11:52 AM   #12
I am Frakk
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Like California? I'm running straight pipes so right now I am not what you call street legal, as long as it works I think it's fine with me...
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Old 05-05-2004, 05:50 PM   #13
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just anywhere that plugs into obd 2 ports during emissions testing, i know WA does
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Old 05-05-2004, 06:26 PM   #14
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Quote:
Originally posted by Derk1127
i think you throw a cel if you change the manifolds for the air assist thing in the 00 injectors being disabled, i think kaos200 told me this. I dont know if theres a way around it, its the only thing stopping me from getting a 99 mani cause i dont want a cel constantly
if you are runnign a link or something with its own map sensor u dont need to drill the hole, nor will u see anything like a CEL
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Old 05-06-2004, 05:37 PM   #15
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Quote:
Originally posted by akcel
if you are runnign a link or something with its own map sensor u dont need to drill the hole, nor will u see anything like a CEL
You are WRONG sucker!!! The map sensor is also a inlet air temperature sensor.
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Old 05-06-2004, 06:06 PM   #16
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but will u see a CEL? NO
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Old 05-06-2004, 06:17 PM   #17
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I see said the blind man...
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Old 05-06-2004, 06:18 PM   #18
SubaFastR
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doesn't mean it's running right.
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Old 05-06-2004, 06:38 PM   #19
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lets just say that he drills the hole for the map and he uses a oem ecu is there a way around the air assist cel? i havent taken out my injectors or anything but is there a way to keep it connected but just not have it do anything just so the CEL wont pop up?
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Old 05-06-2004, 06:42 PM   #20
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i denno i havent tried it...kevin?
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Old 05-06-2004, 07:41 PM   #21
SubaFastR
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take out the cel light bulb.
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Old 05-06-2004, 09:28 PM   #22
akcel
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I think the cel adds character...it was my first mod ;P
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Old 05-07-2004, 12:44 AM   #23
Lo0mis
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Quote:
Originally posted by SubaFastR
You are WRONG sucker!!! The map sensor is also a inlet air temperature sensor.

Damn, not something I wanted to hear. Do you know how important this is to the Links functionality?
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Old 05-07-2004, 12:57 AM   #24
Drac9
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You can wire in a gm air temp sensor in the intake pipe to your turbo instead.
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Old 05-07-2004, 02:19 AM   #25
White 2.5rs
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yeah if someone finds the part # lemme know im too bored/lazy to search

thanks guy!

PS im sure a couple people would like to know that

alex
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