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Old 01-02-2008, 03:02 PM   #1
DILL_JDA_RALLY
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Question 3 good questions for 2.2l project

I recently put a garret 48 trim turbo in my 99 2.2l wagon. i have three questions about the next steps to take.

1) What is the best engine management for lower boost (6-10lbs) on a small budget?

2) What are the best top feed injectors for a ej22 with aftermarket turbo

3) will a walbro 255 fuel pump fit right into my car or will i need an adapter kit?

I appreciate your help
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Last edited by DILL_JDA_RALLY; 01-02-2008 at 03:52 PM.
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Old 01-02-2008, 03:07 PM   #2
silentt
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1) PP6, eManage Ultimate, AEM FIC, standalone (if you can find one for cheap)
2) If you're only boosting 6lbs, the stockers should be fine. If you're boosting more, go 440cc WRX top feeds. If it's the same fuel rails as the 99 RS, then the WRX top feeds will fit without modification.
3) STi fuel pump will be more than enough.

I guess I should add these questions to my thread..

Last edited by silentt; 01-02-2008 at 07:14 PM.
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Old 01-02-2008, 06:35 PM   #3
simple monkey
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1. e-manage or e-manage ultimate. pp6 is good too.
2. stockers should be fine, engine management will help in this department.
3. the walbro 255 might be overkill. a stock wrx or turbo legacy fuel pump will suffice.
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Old 01-02-2008, 11:41 PM   #4
PhilSine
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The E-manage ultimate has been good for me and easy to work with.

Top feeds? Are you swapping on a different fuel rail? Or did you swap on a different fuel rail?

Unless I'm mistaken (and I very well could be) the GC8 EJ22's all used side feed injectors. At least my 98 OBS does.

With that said, your OE injectors are too small. I have STi yellows (550cc) in mine and they flow at 65% with 7.5 psi. That makes for required flow of 357.5cc's. The OE EJ22 injectors flow at a maximum of 280cc. The STi side feed yellows drop right in btw. If you do happen to have top feeds, OE WRX injectors will work since they flow 440cc iirc.

As for fuel pump, get a slightly used OE WRX or STi fuel pump. It has more than enough flow to meet your proposed needs. I have an OE WRX pump and have had no starvation issues at all. I bought my pump for $35 shipped. I'm not sure what modification is required for the Walboro 255l pump but I can't imagine that it's much at all since so many ppl use it. A tight budget dictates a WRX pump but even the Walboro pump is a good bargain at around $100.
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Old 01-02-2008, 11:55 PM   #5
silentt
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I think the 98 2.2 is DOHC (like the 2.5) and the 99 2.2 is SOHC (again, like the 2.5). If that's the case, they should have the same rails as the 99 RS which allows you to use WRX top feeds.
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Old 01-03-2008, 01:23 AM   #6
DILL_JDA_RALLY
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Dope thanks for all the help keep it coming. want to hear a funny story my down pipe burned a hole hrough my power steering line and when the fluid finally came flowing out onto the hot down pipe my car started spewing white smoke trails like a rocket. haha it's all trial and error i guess.
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Old 01-03-2008, 02:28 AM   #7
PhilSine
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Quote:
Originally Posted by silentt View Post
I think the 98 2.2 is DOHC (like the 2.5) and the 99 2.2 is SOHC (again, like the 2.5). If that's the case, they should have the same rails as the 99 RS which allows you to use WRX top feeds.
Argument time

My 98 OBS is SOHC as are all 97-01 EJ22's. I know in 99 the EJ22 was increased to 142 hp from 137 in MY98 so that may warrant a larger OE injector but have yet to learn if they are top or side feeds.

DILL_JDA...

Take and post a pic of your fuel rails for us so we can know what you have for injectors please.
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Old 01-03-2008, 07:19 AM   #8
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In 99 the EJ22 head changed to a design very similar to the SOHC EJ25. As a result, the intake manifolds are the same as well as the fuel rail setup. My 98 EJ22 has the same type of head as the older SOHC EJ motors, headbolts outside the valvecovers, smaller distance between ports, etc... My 01 EJ22 has the large flat valvecovers encasing everything and interchangable intake manifolds with the EJ25.

Just throwing that out there for clarification.

Jay Storm
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Old 01-03-2008, 11:59 AM   #9
silentt
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Quote:
Originally Posted by PhilSine View Post
Argument time

My 98 OBS is SOHC as are all 97-01 EJ22's. I know in 99 the EJ22 was increased to 142 hp from 137 in MY98 so that may warrant a larger OE injector but have yet to learn if they are top or side feeds.

DILL_JDA...

Take and post a pic of your fuel rails for us so we can know what you have for injectors please.
No argument, I was just going off memory I stand corrected.
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Old 01-03-2008, 02:56 PM   #10
PhilSine
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Quote:
Originally Posted by silentt View Post
No argument, I was just going off memory I stand corrected.
As you can imagine it wasn't really an argument in the classic sense but rather a learning experience. I love learning experiences. The more we know collectively about our cars the better off we all are when it comes to helping eachother out. I didn't know that the 99+ EJ22's were different from the 97/98 EJ22's as far as manifolds and valve covers are concerned.

So then are the 99+ EJ22's top feed for sure?
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Old 01-03-2008, 03:12 PM   #11
silentt
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If it is the same as the SOHC EJ25 then yes, and should be a direct swap for WRX injectors. However, that isn't the case for the 00-01 EJ25 as the fuel rails changed enough to require a sort of adapter for the injectors.
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Old 01-05-2008, 12:39 AM   #12
DILL_JDA_RALLY
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my injectors are top feed for sure i will try to post a picture soon.
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