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What mods are recommended before going FI?

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Old Jun 11, 2005 | 12:21 PM
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Default What mods are recommended before going FI?

Things I would probably need to get are a free flowing exhaust and cats. Underdrive Pulley, light flywheel and clutch.

Anything else?
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Old Jun 11, 2005 | 12:43 PM
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i would also like to know the answer to this. Im looking at a greddy TT Kit w FMIC. what else what you need. All i can think of is fuel pump, exhaust, test pipe,
downpipe = y-pipe? not really sure on that. Bov? boost controller? clutch and flywheel. anything else?
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Old Jun 11, 2005 | 12:51 PM
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Well, it depends on a few things.

Is this a S/C or TT or ST?

What power level are you shooting for?

Honestly, you don't need anything other than the FI kit (excluding the parts that aren't included in the FI kit you are getting).
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Old Jun 11, 2005 | 12:54 PM
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i wanna go with a Greddy TT Kit and am aiming for 400rwhp 400lbtq on stock motor. What else is needed with the greddy kit?
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Old Jun 11, 2005 | 01:13 PM
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I would suggest flywheel and clutch... clutch is almost a must... gauges of course are a must, may be some better brakes would be a good idea.

Last edited by Jaki; Jun 11, 2005 at 01:59 PM.
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Old Jun 11, 2005 | 01:19 PM
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Originally Posted by Shabib67
i wanna go with a Greddy TT Kit and am aiming for 400rwhp 400lbtq on stock motor. What else is needed with the greddy kit?
BOV.
This is debatable, but, return fuel system.
Flange for BOV.
Walbro in-tank fuel pump.
Boost controller.
Ignition timing control.

BOV:
You can use just about any BOV you want. Personally, I would use either GReddy Type RS or HKS SSQV.

Return Fuel System:
Like I said, debatable, but, I would use AAM return fuel system. CJ-Motorsports has a great system, though i'm penny-penching when it comes to F/I.

Flange for BOV:
Depends on which BOV you get.

Boost Controller:
Personally, i'd use HKS EVC, GReddy PRofec E-01, A'Pexi AVC-R, or Blitz SBC-DD (or iD).

Ignition timing control:
I would use either Technosquare or Altered Atmosphere to reflash your ECU to control timing and let the E-Manage control the rest; or use a J&S Safegaurd; or use GReddy's ignition harness.

Personally, i'd go all GReddy when it comes to engine management.

I'm not sure what is included, but you would need this:
E-Manage Injector Harness
E-Manage Ignition Harness
GReddy E-Manage RPM Signal Extraction Adapter #1 (part number: #15900904)
PRofec E-01 External Signal Harness

There are some other things you could do too like MAP sensor harness, O2 sensor(s) adapter, and (don't believe this is out yet) e-manage air/fuel meter input (can't use this if you get the MAP sensor harness).
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Old Jun 11, 2005 | 01:26 PM
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Also, what jaki said. Gauges you will definately need. However, you won't need a new clutch for a while IMO, just wear the one you have out and then get a new one that will be able to sustain that power for longer.
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Old Jun 11, 2005 | 01:34 PM
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I'm not sure what is included, but you would need this:
E-Manage Injector Harness
E-Manage Ignition Harness
GReddy E-Manage RPM Signal Extraction Adapter #1 (part number: #15900904)
PRofec E-01 External Signal Harness
So if i went with the altered atmosphere ecu reflash and let the emanage do the rest would i still have to buy these parts. Also will the AAM Ecu Reflash be able to produce 400rwhp and 400lbs of tq?
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Old Jun 11, 2005 | 01:40 PM
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Originally Posted by Shabib67
So if i went with the altered atmosphere ecu reflash and let the emanage do the rest would i still have to buy these parts. Also will the AAM Ecu Reflash be able to acquire 400rwhp and 400lbs of tq?
You would then need to remove the ignition harness. Yes. You can remove the E-Manage all together if you want, and just get Altered Atmosphere or Technosquare to do an ECU reflash for you. (sell the E-Manage and use that towards the reflash)

BTW, you wouldn't need the boost controller or anything if you get an ECU reflash to control everything.

You've got plenty of options, just do some research or ask some more questions and determine for yourself which setup will be best. Alot of people swear by the J&S safeguard coupled with the E-Manage, alot of people swear by the ECU reflash to control everything, etc. Like I said, you've got plenty of options that you can use that have worked for quite a few people.
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Old Jun 11, 2005 | 01:40 PM
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nis350ztt covered pretty much everything that you would need. The only thing I would add is a shielded cas. Its not a must, but its only $77 and its supposed to help a lot.
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Old Jun 11, 2005 | 01:41 PM
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ive got my answers thanks for all the help you guys
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Old Jun 11, 2005 | 01:50 PM
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Originally Posted by Jaki
nis350ztt covered pretty much everything that you would need. The only thing I would add is a shielded cas. Its not a must, but its only $77 and its supposed to help a lot.
Good point. Most people would recommend getting it.

I don't think it's necessary though.
Originally Posted by nis350ztt
That's what I thought. However, if Charles makes the damn things, and tries to tell you that you don't need them before you buy one from him, i'm going to say that's a sign that they really aren't needed. (and it's not like it's some small/cheap part that he just doesn't really care if he sells or not, he sold quite a bit in the GB and is still selling them)

(I assumed it was ok with Charles that I told you this, he told me that the CAS wire is not needed in I.M., he told me he tells people they don't need it, don't buy it before they'll buy one from him, and that he is not running a CAS wire on his 575rwhp 350Z)
Though honestly, if you aren't tight on money, why not? Though I doubt anything would happen without it, it still has a chance (maybe very slim, maybe very probable).
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Old Jun 11, 2005 | 01:50 PM
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Originally Posted by nis350ztt
You would then need to remove the ignition harness. Yes. You can remove the E-Manage all together if you want, and just get Altered Atmosphere or Technosquare to do an ECU reflash for you. (sell the E-Manage and use that towards the reflash)

BTW, you wouldn't need the boost controller or anything if you get an ECU reflash to control everything.

You've got plenty of options, just do some research or ask some more questions and determine for yourself which setup will be best. Alot of people swear by the J&S safeguard coupled with the E-Manage, alot of people swear by the ECU reflash to control everything, etc. Like I said, you've got plenty of options that you can use that have worked for quite a few people.
An ECU reflash cannot control boost, so you would still need a boost controller of some kind. The e-01 is primarily designed to mate with an eManage. Even if you go the reflash method, I always recommend leaving the emange installed, but initialized, so you or a tuner can do fine tuning as needed, without sending your ECU for another reflash.

If you are looking for things can buy BEFORE taking the plung into TT's, you could add exhuast, test pipes, pulleys, and a clutch/flywheel package.

When you are ready to buy the TT kit, give me a PM....we have the best prices on these kits, and have lots of eManage and fuel system experience.

Greddy kit
Return Fuel System (AAM return system)
Walbro 255
Ignition timing harness (for fine tuning...even if you go the reflash method)
Shielded CAS...good precaution.
Comprehensive set of gauges: Boost, Wideband A/F, and Fuel Pressure or EGT.
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Old Jun 11, 2005 | 01:57 PM
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Originally Posted by Sharif@Forged
An ECU reflash cannot control boost, so you would still need a boost controller of some kind. The e-01 is primarily designed to mate with an eManage. Even if you go the reflash method, I always recommend leaving the emange installed, but initialized, so you or a tuner can do fine tuning as needed, without sending your ECU for another reflash.

I'm not sure if Altered Atmosphere does or not. But Technosquare's ECU reflash does control boost (as far as I know at least). The OEM ECU already has a 1 bar map for varying atmosphere conditions, Technosquare just modifies the 1 bar map to read in 3 bar. I know Turbonetics does this, however i'm not sure if AAM or TS do this. Good point about fine tuning with the E-Manage.

If you are looking for things can buy BEFORE taking the plung into TT's, you could add exhuast, test pipes, pulleys, and a clutch/flywheel package.

When you are ready to buy the TT kit, give me a PM....we have the best prices on these kits, and have lots of eManage and fuel system experience.

Greddy kit
Return Fuel System (AAM return system)
Walbro 255
Ignition timing harness (for fine tuning...even if you go the reflash method)
Shielded CAS...good precaution.
Comprehensive set of gauges: Boost, Wideband A/F, and Fuel Pressure or EGT.
I agree on the rest.
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Old Jun 11, 2005 | 02:03 PM
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Brandon, not sure where you heard that our car has a MAP sensor....it does not.

Also, the ECU doesnt have a pressure sensor input, nor does it have a solenoid to control a turbocharger wastegate. I am 100% sure you cannot control boost with our stock ECU.

I agree with everything else you said.
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Old Jun 11, 2005 | 02:13 PM
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Originally Posted by Sharif@Forged
Brandon, not sure where you heard that our car has a MAP sensor....it does not.

Also, the ECU doesnt have a pressure sensor input, nor does it have a solenoid to control a turbocharger wastegate. I am 100% sure you cannot control boost with our stock ECU.

I agree with everything else you said.
I didn't. So I wonder how Turbonetics did this then? (not being sarcastic, a serious question, I was told by MIA that what I just said was correct)

Yeah, that makes sense. I'll ask Brad@Turbonetics what they do.

So you would need a boost controller then.
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Old Jun 11, 2005 | 04:16 PM
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Turbonetics uses an ECU reflash, which still uses the MAF voltage as a reference. Either they clamp it, or they have somehow increased the resolution, so that proper mapping can take place. I think Brad will have to answer this question.

It is not uncommon to clamp at 5.0V, and then just map fuel/timing using RPM only. Not ideal, but certainly doable, and safe...if done correctly.
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Old Jun 11, 2005 | 04:18 PM
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Originally Posted by Sharif@Forged
Turbonetics uses an ECU reflash, which still uses the MAF voltage as a reference. Either they clamp it, or they have somehow increased the resolution, so that proper mapping can take place. I think Brad will have to answer this question.

It is not uncommon to clamp at 5.0V, and then just map fuel/timing using RPM only. Not ideal, but certainly doable, and safe...if done correctly.
Yeah, I knew that much, but I thought the boost was controlled through the ECU as well. Either way, I PM'd him right after my last post about it.
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Old Jun 11, 2005 | 05:23 PM
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Originally Posted by nis350ztt
Well, it depends on a few things.

Is this a S/C or TT or ST?

What power level are you shooting for?

Honestly, you don't need anything other than the FI kit (excluding the parts that aren't included in the FI kit you are getting).
I'm looking at the ST. Not looking to go over 400rwhp.

Last edited by Diesel350; Jun 11, 2005 at 05:25 PM.
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Old Jun 11, 2005 | 07:43 PM
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Does a Y-pipe help anything on a twin turbo install?
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