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Old 07-29-2002, 05:08 AM   #1
edkwon
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Default will this set up of bolt ons require additional fuel management systems?

I'm pondering a WRX engine and gettin the mods bolted on before installing the engine itself, this includes a 3 in uppipe/downpipe/intercooler radiator and turbo hoses/ and hgher flowing turbo cat back exhaust.

Now will this simple combination require upgraded fuel injectors and possibly a S-AFC for fuel management. I'd like to avoid this if possible since i am thinking of moving to Ca, where visible AFCs can get your butt nailed.

Ed
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Old 07-30-2002, 05:19 AM   #2
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c'mon, somebody? *bump*
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Old 07-30-2002, 05:31 AM   #3
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You're planning to "bolt on" all the exhaust piping, as well as the turbo, onto an RS engine, correct?

You're going to want some sort of management. The AFI guys might be able to answer that with their own experiences, but if it were me, I wouldn't just bolt it up and hope for the best.
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Old 07-30-2002, 06:52 AM   #4
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Assuming your running the wrx ecu, than no, you should do fine. No problem with fueling, however, you'll be able to squeeze more out of the motor with an safc.

jb
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Old 07-30-2002, 09:38 AM   #5
edkwon
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Not an RS engine, you misread what i posted, i'm talking an EJ20T swap into an RS engine bay.

Ed
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Old 07-30-2002, 09:44 AM   #6
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You don't need engine mgm at all. The safc may get you another 10hp or so.....maybe if tuned right. I honestly don't think the safc is needed unless you get larger injectors. I ran 12's on the stock ecu and injectors without a problem before installing the safc.

Good luck,

Greg
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Old 07-30-2002, 09:45 AM   #7
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Oh yeah, make sure you have a good fuel pump though.

Greg
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Old 07-30-2002, 09:49 AM   #8
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Quote:
Originally posted by edkwon
Not an RS engine, you misread what i posted, i'm talking an EJ20T swap into an RS engine bay.

Ed
What do you mean by bolting on the mods before installing the engine itself? The way that reads, you're bolting parts of the WRX powertrain on before you install the engine. Are you talking about bolting parts onto the WRX engine before install? Because you can't really install the engine if you have a full exhaust already bolted to it. Although it's probably possible, you're going to have a hard time lowering it into the engine bay. You're going to want to connect that afterwards.

A WRX ECU and fuel system can handle the mods you listed, for the end result of an engine with the mods listed. Do you have a WRX ECU?
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Old 07-30-2002, 10:55 AM   #9
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Default Re: will this set up of bolt ons require additional fuel management systems?

Quote:
Originally posted by edkwon
I'm pondering a WRX engine and gettin the mods bolted on before installing the engine itself, this includes a 3 in uppipe/downpipe/intercooler radiator and turbo hoses/ and hgher flowing turbo cat back exhaust.

Now will this simple combination require upgraded fuel injectors and possibly a S-AFC for fuel management. I'd like to avoid this if possible since i am thinking of moving to Ca, where visible AFCs can get your butt nailed.
Funny, I understand this post perfectly.

You should be ok with that stuff, Ed. I know lots of WRX'ers running that stuff without management all the time.

I agree with the above comment about making sure you have a proper fuel pump, though. Your RS one may not flow enough for it.
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