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Looking for check on mod list for first tune

Old Apr 22, 2015 | 01:03 PM
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Looking for check on mod list for first tune

I'm going to be going for my first tune in a month or so, and would like some comments on my potential mod list. The soot on my bumper is a constant reminder that I am running too rich. I'm looking to see if I'm forgetting something, should go with an alternative part or should add some more parts.

The parts on the bottom of the list are parts I'm thinking about getting if they are worth it, while the parts on top I'm pretty much definite on getting before the tune. I already have a Greddy Ti catback.

PartOption(s)LinkPrice
High Flow CatUltimate Racinghttp://www.ultimate-racing.com/Produ...oX_HFCat.shtml$250.00
 Mil.Spechttp://www.mil-spec.org/Evo-8-9-100-...t-Bolt-On.html$299.00
 ETShttp://www.extremeturbosystems.com/E...Test-Pipe.html$199.00
IntakeETShttp://www.extremeturbosystems.com/E...ntake-Kit.html$227.90
 Samco/Vibrant/K&Nhttp://www.streettunedmotorsports.co...ipes_hoses.htm$206.00
  http://www.streettunedmotorsports.co...nd_adapter.htm 
Wideband GaugeAEM (30-4110) UEGO Air/Fuel Ratio Gauge   
Amazon.com: AEM (30-4110) UEGO Air/Fuel Ratio Gauge: Automotive Amazon.com: AEM (30-4110) UEGO Air/Fuel Ratio Gauge: Automotive
$162.96  
Boost GaugeAEM 30-4406 -30-35 PSI Boost Gauge 
Amazon.com: AEM 30-4406 -30-35 PSI Boost Gauge: Automotive Amazon.com: AEM 30-4406 -30-35 PSI Boost Gauge: Automotive
$162.58  
Gauge PodATI 52mm Gauge ePodhttp://www.maperformance.com/ati-52m...i-evo-8-9.html$95.40
Fuel PumpWalbro 255lph Fuel Pumphttp://www.maperformance.com/walbro-...o-wrx-sti.html$90.24
Boost ControllerGrimmSpeed 3 Port EBCShttp://www.maperformance.com/grimmsp...i-evo-8-9.html$105.59
  http://www.extremeturbosystems.com/G...ler-Evo89.html 
    
    
LICPETShttp://www.extremeturbosystems.com/E...oler-Pipe.html$201.40
DownpipeMegan Racinghttp://www.maperformance.com/megan-r...i-evo-8-9.html$239.99
o2 Housing Megan Racing http://www.streettunedmotorsports.co...ousing_evo.htm$149.00
o2 Housing / Downpipe ComboSTM Recirculated O2 Housing Downpipe Combohttp://www.streettunedmotorsports.co...circulated.htm$625.00

The leaning towards going to CBRD (3.5 hours away from), but I am also considering IveyTune.

Last edited by Kreeker; Apr 22, 2015 at 08:32 PM.
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Old Apr 22, 2015 | 04:20 PM
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I see a fuel pump but no injectors? Just a downpipe? No mid/muffler? Personally, I'm not a fan of Megan products. Spend a few extra bucks and get something decent like ETS if you want it to last. You might want to consider the Cajun Power T-Bolt clamp kit and the Mil.Spec throttle shaft seals. I'm going to bet $1 that your OEM ones are already leaking.

Otherwise seems like a decent starting point. Most of the power will come from the tune for sure. You won't be disappointed.
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Old Apr 22, 2015 | 05:17 PM
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From my limited research I didn't see anyone mentioned upgraded injectors with this level of modifications. Regarding the midpipe/muffler, I already have a Greddy Ti catback installed.

As far as Megan Racing is concerned, I have no feeling either way (good or bad). It just seemed that many people recommended the Megan downpipe & o2 housing. I'm not even sure if I want to change out the downpipe / o2 housing yet either, which was one of my questions.

I'm definitely going to get the Cajun Power T-Bolt clamp kit and the Mil.Spec throttle shaft seals though. Thanks for that recommendation! Stupid question, but can you replace all the t-bolt clamps without removing the front bumper?

Last edited by Kreeker; Apr 22, 2015 at 05:21 PM.
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Old Apr 22, 2015 | 05:26 PM
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I see you in NY . Why you need cat? Delete it. You are fine with stock injectors. Should hit 360 whp on dyno jet.
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Old Apr 22, 2015 | 05:32 PM
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Originally Posted by egis
I see you in NY . Why you need cat? Delete it. You are fine with stock injectors. Should hit 360 whp on dyno jet.
I actually have a brandnew Greddy downpipe/test pipe combo sitting in my basement, but I'm very hesitant to go catless because the cops around my job (NJ) already give me too much grief and I don't know if I want the added attention of a catless exhaust.
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Old Apr 22, 2015 | 06:29 PM
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You have two great tuners available, Mr. Ivey has tons of experience with the 4g63 and CBRD is no slouch either, so that's a nice problem to have.

RRE (in SoCal) has a stealth rally cat, that's basically a test pipe with a cat converter heatshield welded on to look stock, you'd have to call and ask if they still make it though as it's not on their website (which hasn't changed in years). Should be a fun and reliable ride once you're done.
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Old Apr 23, 2015 | 12:31 PM
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Originally Posted by Kreeker
From my limited research I didn't see anyone mentioned upgraded injectors with this level of modifications. Regarding the midpipe/muffler, I already have a Greddy Ti catback installed.

As far as Megan Racing is concerned, I have no feeling either way (good or bad). It just seemed that many people recommended the Megan downpipe & o2 housing. I'm not even sure if I want to change out the downpipe / o2 housing yet either, which was one of my questions.

I'm definitely going to get the Cajun Power T-Bolt clamp kit and the Mil.Spec throttle shaft seals though. Thanks for that recommendation! Stupid question, but can you replace all the t-bolt clamps without removing the front bumper?
That's why the fuel pump threw me off. Those parts usually go together when you reach that point.

WORKS makes a great stainless system that bolts up with OEM and is modular, so you could theoretically get their O2 and DP and then use an OEM or high flow CAT and then your existing greddy exhaust.

You will need to remove the bumper and undertray to get to the clamps, but it's really easy.

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Old Apr 23, 2015 | 03:30 PM
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Originally Posted by golgo13
I see a fuel pump but no injectors?
+1. I concur with this statement, I hear it all the time especiall from the newbies. I made 320-350whp, with all the mods, but had to stop because 850cc injectors...just a recurring theme. Get a minimum 1100cc or rather 1200cc and your nearly perfect in fuel dept. I would suggest 450 pump, I've yet to install mines as well so I cannot give that advice.
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Old Apr 23, 2015 | 08:11 PM
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^^^on stock turbo,pump gas and 23 psi do you really need bigger then stock injectors?
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Old Apr 24, 2015 | 05:30 AM
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Originally Posted by egis
^^^on stock turbo,pump gas and 23 psi do you really need bigger then stock injectors?
Respectfully, I see nowhere were he stated he will be running a maximum of 23 psi and pump full time, hence why I say bigger injectors. While 23psi is a great/conservative psi for longetivity sake. I assumed in living in the big apple there will be at least 4-5 gas stations offering e85.
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Old Apr 24, 2015 | 11:14 AM
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True. You can always scale down larger injectors if you had to, but IIRC the added fuel pressure makes it less than ideal. I might be wrong though, I haven't researched evo builds in a while.

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Old Apr 24, 2015 | 01:15 PM
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My car was stock injectors, walbro 255, ETS intake, and buschur turbo back for a while before I really started modding it. The stock 8 fuel pump definitely needs replaced before the stock injectors. However, a good set 1000cc injectors wouldn't hurt (Like ID'd or FIC HI-Z's), and wouldn't sacrifice any drivability..
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Old Apr 27, 2015 | 10:30 AM
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Originally Posted by Boost Demon
You have two great tuners available, Mr. Ivey has tons of experience with the 4g63 and CBRD is no slouch either, so that's a nice problem to have.

RRE (in SoCal) has a stealth rally cat, that's basically a test pipe with a cat converter heatshield welded on to look stock, you'd have to call and ask if they still make it though as it's not on their website (which hasn't changed in years). Should be a fun and reliable ride once you're done.
I think I most nervous about the smell. The cops around my job are real d-bags.

Originally Posted by golgo13
That's why the fuel pump threw me off. Those parts usually go together when you reach that point.

WORKS makes a great stainless system that bolts up with OEM and is modular, so you could theoretically get their O2 and DP and then use an OEM or high flow CAT and then your existing greddy exhaust.

You will need to remove the bumper and undertray to get to the clamps, but it's really easy.

How to remove a front bumper - EVO 8/9 HID bulb replacement - Boosted Films - YouTube
I was going off of a sticky thread and didn't see a mention of upgraded injectors, but maybe I just missed it.

Why are the WORKS downpipe / o2 housing pieces so expensive? And what makes them better then this beauty which is much less expensive? http://www.streettunedmotorsports.co...circulated.htm

Removing the bumper looks nice and easy, I think I was reluctant because I remember reading about someone who removed their bumper and it never sat right after they put it back on. I'm also an idiot and don't run the undertray, so it should be nice and quick

Regarding the Cajun Power T-Bolt clamp kit and the Mil.Spec throttle shaft seals, do you think I would see benefit from these even if I stayed stock? Or did you recommend them for when the power comes?


Originally Posted by Sil'vr-Boi6
+1. I concur with this statement, I hear it all the time especiall from the newbies. I made 320-350whp, with all the mods, but had to stop because 850cc injectors...just a recurring theme. Get a minimum 1100cc or rather 1200cc and your nearly perfect in fuel dept. I would suggest 450 pump, I've yet to install mines as well so I cannot give that advice.
So is there any negative into having larger injectors / fuel pump even if you aren't utilizing them fully?

Originally Posted by Sil'vr-Boi6
Respectfully, I see nowhere were he stated he will be running a maximum of 23 psi and pump full time, hence why I say bigger injectors. While 23psi is a great/conservative psi for longetivity sake. I assumed in living in the big apple there will be at least 4-5 gas stations offering e85.
I honestly didn't even consider e85 which was a huge oversight on my part Believe it or not there doesn't seem to be too many e85 stations around me, but I did find one around 10 minutes away. Do you have a recommendation for a e85 station locater website? I was using http://www.e85locator.net/State%20Pa...locations.html


What is everyone's thoughts on Defi gauges? I would go with an AEM wideband, but I'm so tempted to go with Defi BF gauges for boost and whatever is useful. They look beautiful and the control unit seems like it could be useful.

Last edited by Kreeker; Apr 27, 2015 at 02:21 PM.
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Old Apr 27, 2015 | 11:42 AM
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i have defi, they are nice. i have the ones that dont need the control unit.
i noticed no one mentioned a boost leak test. that should be your number 1 priority before going to get a tune.
i dont know what power levels you are looking for but you really dont need larger injectors if your just going for fun power. it would not hurt to get ID 1000cc tho as they can be scaled down and are really good with idle and part throttle.
walbro 255 is more than enough for what i think your setup needs. if you decide to get e85 you should re look at your list since it requires a lot more fuel.
i have megan o2 and downpipe on my car, its about the only megan i would use, and its not cracked or leaking so dont be afraid to use it. the megan manifold is a different story tho.
you will see if your throttle body shaft seals are leaking or not after you do a boost leak test. the milspec ones are great!
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Old Apr 27, 2015 | 12:39 PM
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Originally Posted by Kreeker
I was going off of a sticky thread and didn't see a mention of upgraded injectors, but maybe I just missed it.

Why are the WORKS downpipe / o2 housing pieces so expensive? And what makes them better then this beauty which is much less expensive? http://www.streettunedmotorsports.co...circulated.htm

Removing the bumper looks nice and easy, I think I was reluctant because I remember reading about someone who removed their bumper and it never sat right after they put it back on. I'm also an idiot and don't run the undertray, so it should be nice and quick

Regarding the Cajun Power T-Bolt clamp kit and the Mil.Spec throttle shaft seals, do you think I would see benefit from these even if I stayed stock? Or did you recommend them for when the power comes?.
If you can get away with it, maybe the STM piece will work better for your needs.

WORKS parts are high quality, but they can shove that O2 right up their ***. I run their DP/Test/Mid and Stealth Exhaust. It's 100% interchangeable with OEM components (being in CA this is very important for my needs) so that allows for quick mix and match as needed.

Boost leak test is a good idea. I think when I got my car tuned, it was so new it didn't matter. I think I tuned it at 5500 miles?

https://www.evolutionm.net/forums/ev...g-how-why.html

I've had issues with the OEM worm clamps slipping when running higher boost (A lowly 24psi! Haha) and a DP/exhaust, so it's just piece of mind. Do you want to be that guy laying on the ground under your car on the interstate trying to wiggle a silicone pipe back on? **** that noise. The shaft seals and TB gasket can be done with simple hand tools:

https://www.evolutionm.net/forums/ev...aft-seals.html

https://www.evolutionm.net/forums/ev...e-sealing.html

Depending on how often you plan on taking off your bumper, you might want to look at the Toxicfab quick releases.
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